#10GBASE-LRM SFP+
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hound-dog-development · 1 year ago
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StarTech.com Cisco SFP-10G-LRM Compatible SFP+ Module - 10GBASE-LRM Fiber Optical SFP Transceiver - Lifetime Warranty - 10 Gbps - Maximum Transfer Distance: 200 m (656 ft)
StarTech.com Cisco SFP-10G-LRM Compatible SFP+ Module – 10GBASE-LRM Fiber Optical SFP Transceiver – Lifetime Warranty – 10 Gbps – Maximum Transfer Distance: 200 m (656 ft)
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felaliposts-blog · 3 years ago
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Why 10GBASE-LRM SFP+ is One of the Most Popular Transceiver?
The domain of optic networks has multiple optical transceivers in existence. They are a crucial part of a network since they are responsible for converting and transmitting signals. There are numerous form-factors in existence. However, the 10GBASE-LRM transceiver is the most popular.
The 10GBASE-LRM SFP+ transceiver is designed to be multimode, and its development makes it possible to implement it in enterprise environments that require high-speed installation. With the increase in data rates, Multimode fibers and transceivers became the best solution for short-range transmissions. These transceivers are the best option for the design of unified and scalable networks. They are also recommended for buildings that are positioned hundreds of meters apart.
With the rapid growth in trends linked to the world of networking, Architects and network managers are evaluating ways they can use to scale up their networks and upgrade them to support 10GB/S. Such a feat will mean improved performance within the access layer between a customer and the data center. The overall result will see the customer enjoy a much faster, reliable, and stable connection. A better portion of connections supporting 1GB/S were the OM1 multimode cables which cannot transmit 10Gb/s in speed that is in high demand. When working with multimode fibers, an effect called 'modal dispersion' intensifies with increased speed. It implies that the signal propagating along multimode fiber gets distorted due to high speeds and long distances. This problem led to the development of more functional and cost-effective transceivers and can support up to 10GB/S transmission speed. The new optics also facilitates upgrading of fiber optics in existence from 1GB/S to 10GB/S connection. The 10GBASE-LRM SFP+ implies a Long Reach Multimode. The IEEE 802 standard supports it. The 10GBASE-LRM SFP+ transceiver makes it possible to upgrade to 10GB/s without implementing changes in the cable plant. The table below highlights the characteristics of 10GBASE-LRM SFP+.
Characteristics of 10GBASE-LRM SFP+
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Challenges Upgrading to 10GBASE-LRM SFP+
The challenge associated with upgrading to 10GB/s from 1GB/S is the different capabilities of modal bandwidth linked with other fiber optic cables. The ability of the fiber optic to transmit a given amount of data within a given distance is referred to as the modal bandwidth. Another critical factor is the size of the fiber's core. The optic fiber core is at the center of the cable through where light travels. When working with multimode fibers, there are two crucial types of core diameter, one being 50upm and 62.5upm.
The 10GBASE SR AND 10gbase Lx4 have been in the market since 2005 as the primary optical transceiver capable of supporting 10GB/S links using multimode fibers. It is essential to observe that in both situations, the performance of the device and the breadth of its capabilities depended on the fiber type used. It is the reason why the 10GBASE-LRM SFP+ was developed.
10GBASE-LRM SFP+ Compared to 10BASE-LX4 SFP+
The 10GBASE-LRM SFP+ was unveiled in 2006 due to the need to have a cost-effective optical transceiver that possesses equal performance similar to other types of multimode fiber. Different multiple physical-layers interconnectors work with the 10 Gigabit; they include; 10GBASE-LRM, ER, SR, LR CX4, and LX4. The main difference between this type of transceiver and the previous version of 10GBASE-LX4 SFP+ is discussed below, focusing on 10GBASE LX4.
10GBASE-LX4 SFP+
It is capable of operating at 10 Gbits/s exploiting a multimode optical fiber foundation using vertical risers.LX4 functionality was stable and robust
10GBASE–LRM SFP+
Like the LX4, the IEE group developed the LRM standard. It is designed to reach distances of up to 220 m. It intended to reach up to 300 m though it posed risks and had reduced capability to release standards in a timely fashion. The short distance is convenient for robust LRM operation, though it may hinder a product application in some building backbones.
The table below highlights the performance of 10GBASE-LRM SFP+ and 10GBASE LX4
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The LX4 module can be catered for both single-mode and multimode fiber connections. It accommodates for distances starting from 10KM and 300m. CWDM technology is used for LX4 using four wavelengths, 1300 nm transmitters, four receivers, and CWDM multiplexer and demultiplexer. The benefit of this approach is that both transmitters and receivers will operate at nearly a quarter of the data rate.
Advantages of LRM
The LRM approach possesses three main advantages over the LX4 module.
Size
The LX4 makes use of four photodiodes and preamplifiers, four lasers making LX4 better in size. Alternatively, LRM uses a similar optical component footprint used in other 10G modules having EDC functionality.
Cost
The prices of LRM devices are low when compared to LX4 equipment. The cost of LX4 is higher from the manufacturing point, packaging and assembly. LX4 price is higher when comparisons are made to other components that offer short reach 10g modules. In contrast, LRM uses low-cost silicon to attain visual complexity, significantly reducing the cost.
Assembly
LX4 requires more time to be assembled. For example, splicing, fiber attaching, and routing may require many experts and compute boards and flex cables, among other equipment means that yields are reduced at the module level, making it difficult to manufacture the module. On the other hand, LRM does not need extra time or cost when assembling with other 10G SR and LR modules.
The first standard to be developed for the 10GBASE data rate on multimode fiber backbones was LX3. It gives it an important position in the development of fiber optics and the history of communication. As technology progressively enhances, there tends to emerge new and better technologies that will replace old technologies. The inception of LRM as a GBASE standard makes it more popular since it is smaller, has low cost, and is easy to manufacture. Therefore, it will be proper to state that 10GBASE-LRM SFP+ is the best choice to use with 10GBASE networks. QSFPTEK provides compatible SFP-10G-SR, SFP-10G-LR SFP-10G-ER, and SFP-10G-ZR 10GBASE transceiver modules. For 2KM 10GBASE-LRM SFP+, please contact our sales to get a quote. To ensure 100 percent compatibility, each transceiver has been tested through a full range of Brocade equipment.
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fibermarts · 4 years ago
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Understand 10G SFP+ Transceiver From the Perspective of Connecting Cable Types
SFP+ handset is the mainstream in numerous server farm and endeavor workers network applications. As we as a whole known, 10G SFP+ handsets have a major branch family. Diverse SFP+ handsets can give a wide assortment of availability alternatives. There are a few methodologies for us to comprehend the 10G SFP+ handsets family. For instance, with the consistency of various 10G Ethernet standards, we can group handsets as 10GBase-SR, 10GBase-LR, 10GBase-ER, 10GBase-ZR, and so forth. Or on the other hand, seeing from the port sort, we can see the contrast between the SFP+ handset designed with a duplex LC connector or an RJ-45 connector. However, there is another methodology we can comprehend and recognize SFP+ handsets. Furthermore, That is what I will discuss: the Connecting Cable Types. 
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1.Copper Cable 
10GBase-T SFP+ is a handset designed with an RJ-45 port, which implies that it utilizes a copper link to give associations of 10G transmission speed. Feline 6, feline 6a, or feline 7 copper link is required in this circumstance. Concerning the transmission separation, it just backings a connection length of up to 30 meters. 10GBase-T SFP+ handset is an appropriate one for short separations and offers a savvy approach to associate inside racks and across contiguous racks. 
2.Multi-mode fiber 
10GBase-SR SFP+ is the handset utilizing multi-mode fiber to move information in the SFP+ family. It is utilizing 850nm frequency. 10GBaase-SR handset bolsters a connection length of 26m on standard Fiber Distributed Data Interface (FDDI)- grade multimode fiber. Utilizing OM3 multi-mode fiber, up to 300m connection lengths are conceivable. Utilizing OM4 multi-mode, up to 400m connection lengths are conceivable. 
3.Both single-mode fiber and multi-mode fiber accessible 
10GBase-LX4 and the 10GBase-LRM handset is utilizing both single-mode fiber and multi-mode fiber to move information. 10GBase-LX4 handset utilizes CWDM innovation to separate 12.5 GB/s information streams into four 3.125 GB/s information streams that are spread in optical strands. Furthermore, because of the 8B/10B encoding, the successful information stream is 10 GB/s. Yet, the 10GBase-LX4 handset has the inconveniences of significant expense and much force utilization. Therefore, it has an extremely tight market. The 10GBase-LRM handset is a substitution of the 10GBASE-LX4 handset, permitting separations up to 220 meters. It underpins connect lengths of 220m on standard Fiber Distributed Data Interface (FDDI) grade Multi-mode Fiber. There's one thing to take note of. To ensure that particulars are met over FDDI-evaluation, OM1, and OM2 filaments, the handset ought to be coupled through a mode molding patch rope. No mode molding patch string is required for applications over OM3 or OM4. Furthermore, utilizing standard single-mode fiber, the 10GBase-LRM module additionally can uphold a connection length of 300m. When all is said in done, multi-mode fiber interfacing is the most application situation for the 10GBase-LRM handset. 
4.Single-mode fiber 
There are three essential sorts of handsets utilizing single-mode strands to move information in the SFP+ family: 10GBase-LR, 10GBase-ER, 10GBase-ZR. With conveying diverse frequency, each handset can reach up to various separations. For instance, a 10GBase-LR handset can uphold a connection length of as much as 10 kilometers. The 10GBase-ER handset can uphold a connection length of as much as 40 kilometers. The 10GBase-ZR handset can uphold a connection length of as much as 80 kilometers. Because of an unrivaled transmission run and normally a long length of the optic fiber link, utilizing these three handsets implies a lot greater expense. So these three sorts of handsets are the better choice where financial plan isn't a limitation, or when the interest for long link framework. 
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End 
From the viewpoint of interfacing link types, we will have an all the more away from 10G SFP+ handset. Truth be told, we can undoubtedly make the determination: distinctive link types compel the transmission separation of the 10G SFP+ handset. The scope of transmission separation is a significant thought factor in choosing SFP+ handsets. The following is a definite table for 10G SFP+ handsets offered by fibe-mart.com, which gives you more reference data.
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monicaliuliublog · 2 years ago
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Introduction to 10GBASE-LR and 10GBASE-LRM SFP+
Introduction to 10GBASE-LR and 10GBASE-LRM SFP+
by http://www.fiber-mart.com Although the 40G/100G optical modules are on the very top trend for enterprise and data center for the interconnection, 10G transceiver modules are still in great demand. There are several types of 10G optical transceiver modules available for sale including the XENPAK, X2, XFP, small form-factor pluggable plus (SFP+) transceiver, of which 10g SFP transceiver (due to…
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joergmoehre · 5 years ago
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MMF SFP+ 1310NM 10GBASE-LRM JUNIPER COMPATIBLE SYS APP TESTED
MMF SFP+ 1310NM 10GBASE-LRM JUNIPER COMPATIBLE SYS APP TESTED
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Price: [price_with_discount]
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[ad_1] MMF SFP+ 1310NM 10GBASE-LRM JUNIPER COMPATIBLE SYS APP TESTED [ad_2]
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moddersinc · 6 years ago
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QNAP QSW-1208-8C-US 12-Port Unmanaged 10GbE Switch
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Gigabit Ethernet is starting to show it's age. With storage devices such as NVMe drives able to transfer data at over 1 gigabyte per second, it's easy to saturate a single gigabit link. 10 Gb/s has been the solution to faster data rates but until recently was cost prohibitive for most consumers. Multi-gigabit networking, which was announced in 2016, is a new networking standard that supports speeds of 2.5 gigabit per second, 5 gigabit per second and is backward compatible with both 1 gigabit and 100 megabit per second speeds. Personally, I've been waiting on consumer multi-gig networking gear since the standard was announced. A few manufacturers have jumped on the 10 Gb/s bandwagon as well, Asus and Netgear both offer consumer level switches with two 10 Gb/s ports and cost right around $200.00. QNAP recently announced their new unmanaged 10 gigabit switch which is also multi-gig capable. This switch will run at 100 Mb/s, 1 Gb/s, 2.5 Gb/s 5 Gb/s and 10 Gb/s. The QSW-1208 unmanaged series of switches come in two options, 8 and 12 ports.  The switch we will be reviewing is the 12 port version. The switches have a mixture of SFP+ (small form-factor pluggable transceiver) ports and ethernet ports, some of which are dedicated and some are combination SFP/Ethernet ports. Simply plug in the devices and you're good to go. The unmanaged switch means there is nothing for you to configure to get the switch up and running. I can't wait for a faster switching network as I have fiber runs for long distances and I do have a lot of devices that are plugged in. I also tend to create large files for some of the projects that I do. However, most people will see a limited benefit depending on their network layout.  I'm going to go out on a limb and say that most networks are going to have a few devices on them. Things like tablets, cell phones, a PC or two as well as a console. For most home networks a 1G network is fine. As more wireless devices become available and new wireless protocols get ratified, moving to multi-gig will help with the congestion. The limiting factor in these particular networks is going to the connection to the internet. Having a multi-gig or 10G switch in your home will not make the internet faster unless you have an internet connection faster than 1G.  The bandwidth increase is all internally. Then you have content creators, photographers, videographers,  and other users that may need to transfer very large files from their PCs to their networks.  These power users need something that's faster than 1g. Some may be able to utilize the benefits of going to a full 10G network.     Packaging Most of QNAP's products ship in a plain box and don't need the artwork that adorns other products that we review. Typically, these products won't be on a retail shelf. The box shows a graphic of the QSW-1208-8C. Near the bottom of the box, the features are called out as well as a sticker showing that 10G/5G/2.5G/1G are all supported.
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Internally, the QSW-1208-8C is protected by a rigid foam insert. On the left side of the box are the accessories. A multi-language quick start guide is included as well.
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  The accessories for the QSW-1208-8C include a power cable, a quick installation guide, 19-inch rackmount ears and screws, and rubber feet. This switch can be installed as either a desktop switch using the rubber feet or can be installed in a standard 19-inch rack.
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  Specifications 10G SFP+ (fiber) ports 4 10G SFP+ (fiber) and RJ-45 (copper) ports (combo) 8 Form Factor Desktop/rackmount Switching capacity 240 Gbps MAC address caching capacity 27K Number of priority queues 8 Jumbo frame support Up to 9K packet size Power Supply Unit 100 - 240 V AC, 50 -60 Hz, max. 2.5 A Power Consumption (W) All ports used, line-rate traffic: 49 W Link-down standby: 21W Fan 2 low-noise smart fans Sound Level @ 25°C: 18.7 dB(A) Operating Temperature & Relative Humidity 0 - 40 ̊ C / 32 - 104° F 10 - 85%, non-condensing Electromagnetic compliance Class A LED Indicators Per switch: Power Per port: Speed, link, activity Dimensions (H x W x D) 43 x 285 x 233 mm Weight 2.15 kg Limited warranty 2 years Supported standards • IEEE 802.3 Ethernet • IEEE 802.3u 100BASE-TX • IEEE 802.3ab 1000BASE-T • IEEE 802.3x Full-Duplex Flow Control • IEEE 802.1p Class of Service • IEEE 802.3az Energy Efficient Ethernet (EEE) • IEEE 802.3an 10GBASE-T • IEEE 802.3bz 5Gbps and 2.5Gbps Ethernet Over Copper Twisted Pair Cable • IEEE 802.3ae 10-Gigabit Ethernet Over Fiber • IEEE 802.3aq 10-Gigabit over Fiber (10GBASE-LRM) • IEEE 802.3z Gigabit Ethernet 1000BASE-SX/LX   A Closer Look at the QNAP QSW-1208-8C The QSW-1208-8C has 12 ports total. Four of those ports are dedicated SFP+ ports and the other 8 can be used with either SFP+ modules or RJ45. The shared ports are labeled with the same port numbers. The switch measures in at just over an inch and a half tall, 11.2 inches wide, and 9.1 inches deep. The smaller size fits well on a desktop without taking up too much real estate. For those that have networking racks, the switch includes ears for mounting it in a standard 19" rack.
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On the front left of the QSW-1208-8C is the status panel. LEDs light up beside their corresponding port numbers when connected. SFP+ and Ethernet ports are labeled separately. Each LED color shows the speed at which the connection was negotiated.
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  There are a total of 12 ports on the QSW-1208-8C. The 1st four SFP+ ports are dedicated and are not shared with any of the RJ45 ports. The remaining eight ports are shared between SFP+ and RJ45. Only one of the shared ports can be connected at a time. The SFP+ ports are compatible with most SFP and SFP+ GBICs as well as DAC (Direct Attach Copper) cables.
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The RJ45 ports support 10G over CAT6a. If the run is shorter than 45 meters (148 feet) then standard CAT6 can be used. Although, I have successfuly run 10G on CAT5e at short distances, it is  best to stick with manufactures recommendations. In order to reduce the total cost of upgrading, multi-gig was designed to run on CAT5e cabling. You can fully utilize 2.5G and 5G on your existing cables.     The left side of the QSW-1208-8C features two 60mm fans. Traditionally with most switches, the fans run at high speed and sound like a jet about to take off. While airflow is necessary in this switch, the fans are designed to be silent. Silent fans are also important as QNAP touts the switch as a desktop switch. The switch is also 802.11az (Energy Efficient Ethernet) compliant which, means that when a connected port is at low utilization, power consumption is reduced as well.
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  The right side of the QSW-1208-8C features a large mesh area to facilitate airflow. Through the mesh, you get a peek at the large aluminum heatsink inside. The fins on the heatsink run left to right. This allows the fans on the left of the switch to pull air in from the right side and across the heatsink.
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  The rear of the QSW-1208-8C is pretty bare. It has a Kensington lock port to secure the switch to the desktop. There is also a COM port. At this time, I'm not really sure what exactly it does. I've tried to connect to the switch however, I didn't get a response. Power to the switch is provided by a standard power cable.
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Removing the two screws on the top edge of the rear of the switch will allow you to access the internals of the QSW-1208-8C.  Towards the front of the switch, there is the mainboard with a large aluminum heatsink covering about 1/3 of the motherboard. To the right are the dual 60mm fans. Under the black cover at the back of the switch is the power supply.   Four screws secure the heatsink to the main board and after removing them, the heatsink comes off very easily. The heatsink is cooling the three Ethernet controllers. There is also a thermal couple on the right side helps control fan speeds.
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There are two Ethernet controllers onboard the QSW-1208-8C, the modules are Marvell's Alaska X 88X3340P 10G Base-T controllers and one switch controller, the Marvell Prestera 98DX8312A0 Ethernet controller. The Marvell 88X3340P is responsible for managing four of the combo SFP/RJ45 ports and is six-speed capable (10M, 100M, 1G, 2.5G, 5G or 10G) while switching and switch functions are managed by the Marvell Prestera 98DX.   System Setup and Testing Test System #1 Component Product Name Provided by Processor Intel Core i7-8700K (Retail) Intel Motherboard Aorus Z390 Pro Gigabyte Memory G.Skill SniperX 2x8GB @ 3400MHz 16-16-16-36 (XMP) G.Skill Drive Kingston HyperX Fury 240 GB SATA SSD (OS Drive), ADATA SX8200 M.2 NVME (Test Drive) Kingston & ADATA Video Card  Nvidia RTX 2080 Founders Edition Nvidia Monitor BenQ EL2870U 28 inch 4K HDR Gaming Monitor 3840×2160 @ 60 Hz BenQ Case DimasTech EasyXL DimasTech Power Supply Cooler Master Silent Pro M2 1500W Cooler Master Operating System Windows 10 x64 Pro with latest patches and updates Test System #2 Component Product Name Provided By Processor Intel Core i7-7800X (Retail) Intel Motherboard Gigabyte x299 Designare EX Gigabyte Memory Corsair Vengeance LPX 4x8GB @ 3000MHz 16-18-18-36 (XMP) Corsair Drive Kingston A1000 480 GB M.2 NVME (OS Drive),  Intel 660p 1 TB M.2 NVME  (Test Drive) Kingston & Intel Video Card  EVGA GeForce GTX 1070 TI SC EVGA Monitor BenQ EL2870U 28 inch 4K HDR Gaming Monitor 3840×2160 @ 60 Hz BenQ Case Fractal Design Meshify S2 Fractal Design Power Supply Corsair RM 850x Corsair Operating System Windows 10 x64 Pro with latest patches and updates   For this review, I used two PCs connected to the QSW-1208-8C-US via two CAT6a cables. For the networking cards on the PC, I chose the Aquantia AQtion 10G Pro for one PC and the Asus version for the other PC.  During the 10 gigbit test the cards were left at their default settings in Windows. For the multi-gig testing, I manually set the speed of one of the cards to the appropirate setting (1g, 2.5g, and, 5g).
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  When it comes to network testing at these speeds, your local storage can be your bottleneck. I chose to use an NMVe M.2 3x4 drive in each PC. Each of the drives is rated for more that 1500 MB/s read speeds and 1200 MB/s+ write speeds. For parity, I also created a RAM drive on each of the PCs to ensure that testing with my chosen local storage option was not skewing the testing results. To start off, I loaded up JPerf. JPerf is a Java-based test for IPERF. This application tests network bandwidth between two hosts. I set PC #1 as the host and PC #2 as the client. I did up the TCP window size in JPerf in order to test a single stream.
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The test was run for 60 seconds. During that time frame, the application transferred 69.1 Gigabytes at an average of 9.89 GB/s. For the next test, I fired up Performance Test 9.0 and used the network benchmark. Again, I set PC #1 as the host and PC #2 as the client.
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By default, the test runs for 60 seconds. Though Performance Test's network benchmark, an average of 8930.0 Mbps or 8.93 Gbps. The final test I performed a file copy from PC #2 to PC #1. I have a test file that I created and zipped (uncompressed) containing multiple large files for a total of 12 GB in size.
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In the Windows copy test, we were able to send and receive data at 9.6 Gbps which equates to 1 Gigabyte per second.   Since the QSW-1208-8C supports multi-gig, I ran a quick copy test from PC 1 to PC 2. I set the network card speed in the card settings and manually set it to 1, 2.5 and, 5 Gigabit per second. At 1 Gigabit per second, I was able to copy a 12 gigabyte file at 118 megabytes per second. At 2.5 G, the copy speed came in at about 298 megabytes per second, and finally at 5 G, 583 megabytes per second was attained.   Conclusion and Final Thoughts I've been waiting for 10-gigabit networking equipment to come down to the "non-enterprise price level". For me personally, I guess that would be the prosumer level as far as price. But still, I didn't really want to pay over $1000.00 for a switch. I don't know too many people that would pay the price for a piece of network gear in their house. We are starting to see the first 10-gigabit networking accessories becoming affordable. There are a few switches on the market that include a couple of 10-gigabit ports for under $200.00. Which is great for most consumers. What if I need more that two 10G ports? The options you're left with are a bit limited and can cost upwards of $800.00.
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The QSW-1208-8C-US is a great option to fill the gap for users needing/wanting more than two 10G ports and don't want to spend a bunch of money. There are two versions of the QSW-1208C. The 8-port version currently retails for $469.99 and the 12-port version is $100.00 more at $569.99. This is not a terrible price when you consider the actual per-port cost. The QSW-1208 also gives you the options to use your existing wiring and RJ45 ethernet, you can choose to use fiber cables with SFPs, or your choice of DAC (Direct Attached Copper) cables. SFP+ modules, fiber cables, and DAC cables are dropping in price as well. Options are good. The QSW-1208-8C is multi-gig capable as well. Gigabit ethernet has served us well since the '90s it is time to move one. Wireless is a great example of why we need multi-gig. Wireless network bandwidth is starting to outpace wired networks. However, at some point, the wireless access point still needs to connect to the wired network. 802.11ac Wave 2 access points are not quite at 10G levels and without multi-gig, the connection automatically negotiates down to 1G. Multi-gig solves this by adding 2.5G and 5G speeds over existing CAT 5e or CAT 6 cables. Wireless is only going to get faster and with 802.11ac Wave two access points in the market, they are going to need something more than a single gigabit link. The QSW-1208-8C is an unmanged, plug and play switch. Plug it in and go. It is as simple as that. If you're a content creator with large network storage, you'll be pretty pleased with the simplicity of the QSW-1208-8C. For me, I'm extremely pleased with the QSW-1208-8C. I don't have to fuss with a configuration on my network, although that can be both a blessing and a curse when something isn't working properly and I want to gather logs from my switches. Overall, I'm very pleased with this switch. The price sits in that sweet spot for me and opens more speed options on my network. You can pick up the QSW-1208-8C at Amazon.             Read the full article
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loudlyfreewerewolf-blog · 7 years ago
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SFP SR 10 vs. SFP LR 10 - В чем Разница?
Начнем с того, что оптические модули SFP 10G легко доступны на рынке и в настоящее время являются зрелой технологией. Они не слишком дороги. Оптические модули 40G/100G обычно используются в ЦОД и предприятиях по всему миру для межсоединения. Модули SFP 10G имеют множество различных стандартов, таких как SFP LR 10, SFP SR 10, 10GBASE-LRM SFP 10 и 10GBASE-ER SFP 10. Мы сосредоточили внимание на факторах, отделяющих SFP SR 10 от SFP LR 10.
Cisco SFP SR 10
Cisco SFP SR 10 полностью соответствует стандарту 10G BASE-SR. Этот модуль имеет длину линии связи 26 м на наиболее часто используемом стандартном многомодовом оптоволокне FDDI класса. FDDI означает распределенный волоконно-оптический интерфейс. Он поддерживает длину линии связи 300 м по кабелям OM3 и длину линии связи 400 м по кабелям OM4.
Cisco SFP SR 10 модули - это устройства ввода/вывода, что являются горячей заменой. Они связаны с оптической сетью через порт 10 Gigabit Ethernet. Поскольку эти трансиверы совместимы со стандартом MSA и поддерживают горячую замену, напрямую подключенную к любому порту модуля на базе Cisco SFP 10. Для этого вам не нужно подавать питание им из системы хост-сети. Это выполняется для того, чтобы сделать добавления, ходы и обмены быстрыми и эффективными.
Серия Cisco SFP SR 10 имеет еще 2 важных модуля: модуль Cisco SFP-10G-SR-X и модуль Cisco SFP-10G-SR-S. Хотя модуль Cisco SFP-10G-SR-S является частью модуля Cisco S-класса, он соответствует производительности модуля Cisco SFP SR 10.
Cisco SFP LR 10
Модуль Cisco SFP LR 10 способен работать с длиной линии связи 10 км на любом базовом одномодовом волокне. Он полностью соответствует стандарту 10G Base-LR и использует лазеры 1310 нм. Модуль LR не имеет минимальное расстояние, поэтому он идеально подходит для коротких соединений, переносимых на одномодовое волокно.
10GBASE-LRM SFP
Трансиверы 10GBASE-LRM часто по ошибке принимают за модуль 10GBASE-LR SFP 10, но это не то же самое. 10GBASE-LRM SFP 10 использует лазеры 1310 нм, однако,он имеет максимальное расстояние передачи только 220 м по стандартным многомодовым волокнам, такими как OM3/OM4. Этот трансивер доступен в формфакторе XFP и SFP 10.
Помимо модуля Cisco SFP-10G-LRM существует еще один тип модуля для многомодовых волокон, что называется SFP-10G-LRM2. Этот модуль относится к типу трансивера SFP 10, который полностью совместим со стандартом 10GBASE-LRM, и имеет длину около 2 км по сравнению со стандартным многомодовым волокном.
Вам нужно купить Cisco Бренд или Cisco Совместимость с SFP 10 Модулями ?
Итак, вы купили дорогой коммутатор оригинального бренда Cisco. Теперь вы рассматриваете возможность покупки совместимого модуля для того же. Но действительно ли вам нужно покупать оригинальные модули бренда Cisco?
Вот факт, что не все модули SFP 10 совместимы с коммутаторами Cisco SFP 10. Перед подключением трансиверов SFP 10 к коммутатору Cisco необходимо проверить фактор совместимости. Кроме того, модули SFP 10 являются важными компонентами оптических сетей. Это означает, что вам потребуется несколько модулей SFP 10 для развертывания сети. Итак, если вы хотите сэкономить затраты, вам лучше использовать совместимые трехсторонние модули. Там нет смысла покупать модуль SFP 10 на бренд Cisco, когда вы можете получить идентичные устройства за более низкую цену от трехсторонних источников.
Последние мысли
Модули SFP SR 10 идеально подходят для применения на коротких расстояниях 10G. Модули SFP LR 10 лучше подходят для городской сети, что требуется длина линии связи 10 км. Свяжитесь со мной, чтобы узнать больше о нашем комплексе наиболее надежных и крепких совместимых оптических модулей SFP SR 10 или SSFP LR 10.
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hound-dog-development · 1 year ago
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Axiom 10GBASE-LRM SFP+ for IBM
Axiom 10GBASE-LRM SFP+ for IBM
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astaceyfoster343-blog · 7 years ago
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Обзор Трансивера 10GBASE-LR SFP
SFP 10, усовершенствованная версия SFP (small form-factor pluggable), может поддерживать скорость передачи данных 10 Гбит/с. SFP 10 модуль является популярным отраслевым форматом, поддерживаемым многими поставщиками сетевых компонентов. Он играет важную роль в современных сетевых приложениях. Существуют различные типы модулей SFP 10, такие как модуль 10GBASE-SR SFP, модуль 10GBASE-LR SFP, модуль 10GBASE-LRM SFP, модуль 10GBASE-ER SFP и модуль 10GBASE-ZR SFP. В данной статье будет представлять один из них, модуль 10GBASE-LR SFP.
Введение
Модуль SFP LR предназначен для одномодового волокна и работает на номинальной длиной волны 1310 нм. Передатчик 10GBASE-LR реализован с помощью лазера с распределенной обратной связью (DFB). Лазеры DFB дороже, чем VCSEL, но их высокая мощность и более длинная длина волны позволяют эффективную связь в малом ядре одномодового волокна на большие расстояния. По сравнению с 10GBASE-SR, максимальный диапазон 10GBASE-LR составляет 10 км.
Особенности
Трансивер SFP LR представляет собой модуль SFP 10 с горячей заменой, который подключается к разъемам SFP 10 на коммутаторах. Вы можете подключить трансивер SFP LR при включении системы без каких-либо проблем. Это позволяет добавлять или удалять модули без прерывания работы сети. Форм-фактор SFP 10 меньше других форм-факторов, таких как Xenpak, X2 и XFP 10G, что обеспечивает более низкие затраты, более низкое энергопотребление и более высокую плотность портов. Он обеспечивает необходимое усиление сигнала для передачи данных по сетевому кабелю от порта и наоборот, чтобы порт получал данные от сетевого кабеля. Модуль SFP LR поддерживает 10G Ethernet, что вызывает очень быструю передачу данных со скоростью макс.до 10 Гбит/с. Это в 10 раз быстрее, чем Gigabit Ethernet, и позволяет коммутатору обрабатывать более быстрые и более высокие передачи данных, что делает его очень подходящим для бизнеса.
Два типа SFP LR
SFP-10G-LR-S 10GBASE-LR SFP: Cisco SFP-10G-LR-S совместим с SFP LR модулем, как показано на следующем рисунке, который поддерживает длину линии 10 километров на стандартном одномодовом волокне (SMF ) (G.652). Он реализован с использованием DFB лазера для поддержки больших расстояний. И он использует дуплексный LC разъем.
SFPP-10GE-LR 10GBASE-LR SFP: Juniper SFPP-10GE-LR совместим с трансивером SFP LR, как показано на следующем рисунке, который гарантирует на 100% совместимость и функциональность в планируемом оборудовании. Этот 1310 нм DFB 10 Гбит/с модуль SFP 10 предназначен для передачи и приема оптических данных по одномодовому оптическому волокну для длины линии 10 км. Каждый SFPP-10GE-LR подвергается экологическим испытаниям на своем конкретном порту/платформе перед отправкой, чтобы гарантировать, что они находятся в идеальном физическом и рабочем состоянии.
Вывод
Модуль SFP 10 широко используется для поддержки стандартов коммуникации, включая синхронную оптическую сеть (SONET)/синхронную цифровую иерархию (SDH), gigabit ethernet and fiber channel. SFP 10GBASE модули серии трансиверов предлагают широкий спектр возможностей подключения 10G Ethernet для ЦОД, кабельных шкафов и транспортных приложений поставщика услуг.
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fibermarts · 4 years ago
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Why do we need 10GBASE-T copper transceivers?
10GBASE-T, or IEEE 802.3an-2006, is a standard delivered in 2006 to give 10Gbit/s associations over unshielded or protected bent pair links, with separations up to 30 meters (98 ft) with RJ45 connectors on an electrical handset (or copper handset). It's regressively viable with existing 1GbE (1 Gigabit Ethernet) organizations, implying that it very well may be sent dependent on existing 1GbE switch frameworks in server farms that are cabled with CAT6 and CAT6A (or above) cabling. 10GBASE-T is a cabling arrangement of 10GbE, the other 10GbE cabling arrangements incorporate SFP+ fiber (10G-SR,10G-LR,10G-LRM, and so forth.), SFP+ Direct Attach Cable (DAC), SFP+ Active Optical Cable (AOC). 
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The most exceptional distinction between optical handsets and electrical handsets is the vehicle media they use, subsequently, optical handsets ought to be connected with optical fiber and electrical handsets ought to be connected with systems administration links, for example, CAT6. 
By and large, handsets are intended to be optical switch because there are RJ45 electrical ports on switches for potential association need of systems administration links. Notwithstanding, the truth of the matter is we need more RJ45 electrical ports on the switch for systems administration cabling sometimes, it's probably not going to trade the utilitarian switch just for an impermanent or periodic utilization of electrical ports. For this situation, an item that can change over the optical port to the electrical port, which is a 10GBASE-T copper handset can unquestionably give you a hand. Much more than that, the 10GBASE-T copper handset, for instance, the 10G-SFP-T (SFP-10G-T-S) of 10Gtek, can in reverse viable with 100/1000Base-T too, without a doubt it's uplifting news for those Data Centers constructed years back, by this implies the proprietor can spare a lot of financial plan from it. All things being equal, to accomplish the normal impact, the electrical handsets unavoidably expend more force than optical handsets, which restricts the measure of 10GBASE-T handsets being introduced simultaneously. Regardless of whether the chipset is Marvell or Broadcom, the force utilization of electrical handsets is as yet 2.5 W. Regarding the chipset, 10Gtek is applying Marvell on the 10G-SFP-T since it costs lesser than Broadcom however they have a similar capacity.
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galinapetrova3508-blog · 7 years ago
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Как Выбрать Волоконно-Оптический Кабель для 10G SFP+ Оптического модули?
  Как выбрать волоконно-оптические кабели для 10G SFP+ модулей? Это кажется глупым вопросом для большинства техников по оптоволоконному оборудованию. Однако, еще есть некоторые люди, особенно неопытные сетевые инсталляторы, которые могут не знать совместимость между оптоволоконными кабелями и оптическими модулями. Сегодня я хочу дать четкую иллюстрацию для того, чтобы выбрать подходящую среду передачи (OS2/OM3/ OM4/Cat6/Cat6a) для модулей оптических трансиверов 10G SFP+.
Обзор SFP+ Модули Оптического трансивера
Прежде чем перейти к основной части этой статьи, сначала давайте представим краткий обзор оптических модулей SFP+ и 10G сетевых кабелей.
10GBASE SFP + оптические модули
SFP + Оптические модули в соответствии со стандартами IEEE, могут разделиться на несколько типов, например, 10GBASE-LRM SFP+, 10GBASE-LR, 10GBASE-ER SFP+, 10GBASE-ZR SFP+, 10GBASE-SR SFP+, 10GBASE-T SFP+. Каждый тип оптического модуля SFP + имеет свою характеристику и метод использования, которые здесь не перечислены. Для более подробных информацией, давайте пересматривать предыдущие статьи.
BiDi SFP+ Модули
Помимо вышеперечисленных 10GBASE модулей SFP+ , 10GBASE-CWDM SFP+, 10GBASE-DWDM SFP+ и SFP+ BiDi модули оптического трансивера также являются наиболее часто используемым модулем 10G SFP+. Оптический трансивер SFP+ BiDi обычно использует две разных длины волны для достижения 10G передачи по одному волокну. Наиболее часто используемая длина волны оптического модуля BiDi составляет 1310 нм/1550 нм, 1310 нм/1490 нм, 1510 нм/1590 нм.
CWDM/DWDM SFP+ модули
SFP+ модули грубого мультиплексирования с разделением по длине волны(CWDM) и плотного мультиплексирования с разделением по длине волны(DWDM) SFP+ представляют собой удобное и выгодное решение для принятия 10-гигабитного Ethernet в сетях доступа кампусного типа, ЦОДа, городского вычислительного типа. Этот тип волоконно-оптического модуля 10G может поддерживать до восьми каналов 10GbE по одномодовым волокнам на расстояние более 80 км.
10G Оптические & Сетевые Кабели патч-кабели
Волоконно-оптические кабели можно классифицироваться на два типа: одномодовые и многомодовые волоконно-оптические кабели. Они имеют различное ядровый размер и волоконно-оптическое передающее оборудование, что делают их пригодными для различных применений. Одномодовые волоконно-оптические кабели или OS1/OS2 (OS1 теперь не популярны на рынке) обычно используются для далекого расстояния передачи с использованием оборудования на основе лазерного диода.
  Многомодовые волоконные кабели или OM1/OM2/OM3/OM4 имеют относительно большой светопроводящий се��дечник, где обычно используется для короткого расстояния передачи с использованием оборудования на основе LED. OM1 с размером ядр�� на 62,5м, поддерживает сеть 1 ГБ за 300 м. OM2 (50um) может поддерживать до 10 ГБ с расстоянием на 600 м. OM3 и OM4 представляют собой многомодовые волокна оптимизированного лазера, которые могут соответственно использоваться в сети 10 ГБ с длиной линии связи на 300 м, 550 м . Эти типы оптических кабелей могут также использоваться в сети 40G/100G с разъемом MTP/MPO.
Кабели Кат6/Кат6a представляют собой cетевые кабели Ethernet, используемые для сети 10G. По сравнению с Кат5e (1 гигабит данных) и кабелями Кат5 (10/100 Мбит/с), Кат6 является кабелем Ethernet, который может регулировать до 10 Гбит/с с ограниченным расстоянием до 164 футов. Кат6a представляет собой усовершенствованную версию кабелей Кат6, который уменьшает перекрестные помехи, что позволяет поддерживать полный 328футов кабели Ethernet.
Выбор Волоконно-Оптических Кабелей для Модулей 10G SFP+
Как отмечалось ранее, одномодовые кабели патч-корды могут использоваться для модулей 10GASE-LRM SFP+, 10GBASE-LR SFP+, 10GBASE-ER SFP+, 10GBASE-ZR SFP+, 10GBASE-CWDM SFP+, 10GBASE-DWDM SFP+ и SFP+ BiDi.
  Многомодовые волокна, особенно кабели OM3 и OM4, поддерживаются для модулей трансивера 10GBASE-SR SFP+. На следующей таблице показывается артикул заказных кабелей OM3 и OM4.
Патч-корды Кaт6 и Кaт6a могут использоваться только на модулях 10GBASE-T SFP+.
Запомните, что новые доступные SFP+ модули с интерфейсом RJ45 могут поддерживать только до 30 м.
Вывод
В этой статье перечислены все существующие 10G оптические & сетевые патч-корды и типы модулей трансиверов SFP+, а также руководство по выбору правильных патч-кодов для оптических модулей 10G SFP+.
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joshbrowncomputer · 5 years ago
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Hp J9152a Sfp Transceiver Module - 10gbase-lrm https://ift.tt/2nTyLgl
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macpcserver99 · 5 years ago
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Hp Jd093b X130 10gigabit Sfp Lc Lrm Transceiver
JD093B HP - X130 10GIGABIT SFP LC LRM TRANSCEIVER(JD093B). KEY FEATURES : DEVICE TYPE : SFP TRANSCEIVER MODULE ENCLOSURE TYPE : PLUG-IN MODULE NETWORKING : CONNECTIVITY TECHNOLOGY : WIRED CABLING TYPE : 10GBASE-LRM DATA LINK PROTOCOL : 10 GIGABIT ETHERNET DATA TRANSFER RATE : 10 GBPS EXPANSION / CONNECTIVITY : INTERFACES : 1 X NETWORK - ETHERNET 10GBASE-LRM - LC COMPATIBLE SLOTS : 1 X SFP Click to buy: Hp Jd093b X130 10gigabit Sfp Lc Lrm Transceiver from Mac Palace Products Feed https://ift.tt/32w0u72
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office-deals-blog · 5 years ago
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Netgear ProSAFE Managed Switch - GSM4352PA - Stackable platform met 48 PoE poorten 2 x SFP en 2 x 10GBASE-T poorten 550W PS
Netgear ProSAFE Managed Switch - GSM4352PA - Stackable platform met 48 PoE poorten 2 x SFP en 2 x 10GBASE-T poorten 550W PSU Switch type Managed Type basis-switching RJ-45 Ethernet-poorten Gigabit Ethernet 101001000 Console port RJ-45 Netwerkstandaard IEEE 80211ad IEEE 80211az IEEE 8023ad IEEE 8023az Ondersteundende kabel types Cat5 Cat5e Cat6 Cat7 Fiber MAC-adrestabel 16000 entries Switchingcapaciteit 128 Gbits Throughput 357 Mpps Fiber ethernet cabling technologie 10GBASE-LR 10GBASE-LRM 10GBASE-SR Vezel-optische connector SFPpbNETGEAR ProSAFE Managed Switch - GSM4352PA - Stackable platform met 48 PoE poorten 2 x SFP en 2 x 10GBASE-T poorten 550W PSUbbrbrDe M4300-serie loopt uiteen van 24x1G tot 48x10G en tot 384 poorten per stack Non-stop forwarding spine-and-leaf architectuur connectiviteit van de rand tot de kern voor gentegreerde bedrade en draadloze netwerken Onstuitbare werking met management unit hitless failover en geen serviceonderbrekingen voor de clients die met de andere switches in de stack verbonden zijnbrbrNETGEAR ProSAFE M4300-52G-PoE Stackable Switch 550W PSU brbrBiedt 48 Gigabit PoE poorten met 2 10GBASE-T 2 10GBASE-X SFP uplink connectiviteit brbr- Alle 4 10G poorten zijn onafhankelijk 1G en achterwaarts compatibel voor progressieve overgang naar 10G snelheden br- Hot swap APS550W voedingen leveren 480W redundant PoE budget over 48 poorten of 720W in gedeelde modus br- De M4300-52G-PoE levert met 176Gbps niet-blokkerend materiaal L2L3L4 en IPv4IPv6 diensten voor draadloze toegangslagen IP-video en gentegreerde communicatiebr- Virtual Chassis stacking biedt non-stop forwarding NSF hitless failover voor de hoogste beschikbaarheid HAbr- 1 Gigabit modellen zoals de M4300-52G kunnen gestackt worden met 10 Gigabit modellen waardoor line-rate spine-and-leaf topologien mogelijk zijn br brbPoE implementatie aan de randbbrbrZoals vaak bij intermediaire distributieframes IDF in K-12 vereenvoudigen horizontale or verticale ring-stacking topologien Power over Ethernet implementaties sterk aan de rand zorgen ze voor veerkracht van het netwerk door verdeelde 10G uplinks geaggregeerd naar de kern te sturenbr brbTop-of-rack en serverinstallaties bbrbrVoor middelgrote serverinstallaties kunnen twee M4300 10 Gigabit modellen van halve breedte om kosten te besparen gecombineerd worden in n enkele rackruimte voor redundant top-of-rack Non-stop switching non-stop routing stacking technologie zorgt ervoor dat er geen enkel point of failure is voor servers die verbinding maken met de stackbrbrbSpine and Leaf topologienbbrbrVoor typische collapsed core installaties met diverse 1G 10G toegangspoorten in hoogwaardige lokale netwerken kunnen M4300 10G modellen stacken met M4300 1G modellen om spine-and-leaf topologien te creren wat overinschrijving reduceert en zelfs line-rate aggregatie naar de spine mogelijk maakt http://dlvr.it/RF7cHg
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moddersinc · 6 years ago
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[section_title title=Introduction]
Gigabit Ethernet is starting to show it’s age. With storage devices such as NVMe drives able to transfer data at over 1 gigabyte per second, it’s easy to saturate a single gigabit link. 10 Gb/s has been the solution to faster data rates but until recently was cost prohibitive for most consumers. Multi-gigabit networking, which was announced in 2016, is a new networking standard that supports speeds of 2.5 gigabit per second, 5 gigabit per second and is backward compatible with both 1 gigabit and 100 megabit per second speeds. Personally, I’ve been waiting on consumer multi-gig networking gear since the standard was announced. A few manufacturers have jumped on the 10 Gb/s bandwagon as well, Asus and Netgear both offer consumer level switches with two 10 Gb/s ports and cost right around $200.00. QNAP recently announced their new unmanaged 10 gigabit switch which is also multi-gig capable. This switch will run at 100 Mb/s, 1 Gb/s, 2.5 Gb/s 5 Gb/s and 10 Gb/s. The QSW-1208 unmanaged series of switches come in two options, 8 and 12 ports.  The switch we will be reviewing is the 12 port version. The switches have a mixture of SFP+ (small form-factor pluggable transceiver) ports and ethernet ports, some of which are dedicated and some are combination SFP/Ethernet ports. Simply plug in the devices and you’re good to go. The unmanaged switch means there is nothing for you to configure to get the switch up and running.
Personally, I can’t wait for a faster switching network as I have fiber runs for long distances and I do have a lot of devices that are plugged in. I also tend to create large files for some of the projects that I do. However, most people will see a limited benefit depending on their network layout.  I’m going to go out on a limb and say that most networks are going to have a few devices on them. Things like tablets, cell phones, a PC or two as well as a console. For most home networks a 1G network is fine. As more wireless devices become available and new wireless protocols get ratified, moving to multi-gig will help with the congestion. The limiting factor in these particular networks is going to the connection to the internet. Having a multi-gig or 10G switch in your home will not make the internet faster unless you have an internet connection faster than 1G.  The bandwidth increase is all internally. Then you have content creators, photographers, videographers,  and other users that may need to transfer very large files from their PCs to their networks.  These power users need something that’s faster than 1g. Some may be able to utilize the benefits of going to a full 10G network.
  [sc name=”sponsor” sponsor=”QNAP” product_link=”https://www.qnap.com/en-us/product/qsw-1208-8c” product_name=”QSW-1208-8C” ]
  Packaging
Most of QNAP’s products ship in a plain box and don’t need the artwork that adorns other products that we review. Most of the time, these products won’t be on a retail shelf. The box shows a graphic of the QSW-1208-8C. Near the bottom of the box, the features are called out as well as a sticker showing that 10G/5G/2.5G/1G are all supported.
Internally, the QSW-1208-8C is protected by a rigid foam insert. On the left side of the box are the accessories. A multi-language quick start guide is included as well.
  The accessories for the QSW-1208-8C include a power cable, a quick installation guide, 19-inch rackmount ears and screws, and rubber feet. This switch can be installed as either a desktop switch using the rubber feet or can be installed in a standard 19-inch rack.
  Specifications
10G SFP+ (fiber) ports 4 10G SFP+ (fiber) and RJ-45 (copper) ports (combo) 8 Form Factor Desktop/rackmount Switching capacity 240 Gbps MAC address caching capacity 27K Number of priority queues 8 Jumbo frame support Up to 9K packet size Power Supply Unit 100 – 240 V AC, 50 -60 Hz, max. 2.5 A Power Consumption All ports used, line-rate traffic: 49 W Link-down standby: 21W Fan 2 low-noise smart fans Sound Level @ 25°C: 18.7 dB(A) Operating Temperature & Relative Humidity 0 – 40 ̊ C / 32 – 104° F 10 – 85%, non-condensing Electromagnetic compliance Class A LED Indicators Per switch: Power Per port: Speed, link, activity Dimensions (H x W x D) 43 x 285 x 233 mm Weight 2.15 kg Limited warranty 2 years Supported standards • IEEE 802.3 Ethernet • IEEE 802.3u 100BASE-TX • IEEE 802.3ab 1000BASE-T • IEEE 802.3x Full-Duplex Flow Control • IEEE 802.1p Class of Service • IEEE 802.3az Energy Efficient Ethernet (EEE) • IEEE 802.3an 10GBASE-T • IEEE 802.3bz 5Gbps and 2.5Gbps Ethernet Over Copper Twisted Pair Cable • IEEE 802.3ae 10-Gigabit Ethernet Over Fiber • IEEE 802.3aq 10-Gigabit over Fiber (10GBASE-LRM) • IEEE 802.3z Gigabit Ethernet 1000BASE-SX/LX
  [section_title title=A Closer Look at the QNAP QSW-1208-8C]
A Closer Look at the QNAP QSW-1208-8C
The QSW-1208-8C has 12 ports total. 4 of those ports are dedicated SFP+ ports and the other 8 can be used with either SFP+ modules or RJ45. The shared ports are labeled with the same port numbers. The switch measures in at just over an inch and a half tall, 11.2 inches wide, and 9.1 inches deep. The smaller size fits well on a desktop without taking up too much real estate. For those that have networking racks, the switch includes ears for mounting it in a standard 19″ rack.
On the front left of the QSW-1208-8C is the status panel. LEDs light up beside their corresponding port numbers when connected. SFP+ and Ethernet ports are labeled separately. Each LED color shows the speed at which the connection was negotiated.
  There are a total of 12 ports on the QSW-1208-8C. The 1st four SFP+ ports are dedicated and are not shared with any of the RJ45 ports. The remaining eight ports are shared between SFP+ and RJ45. Only one of the shared ports can be connected at a time. The SFP+ ports are compatible with most SFP and SFP+ GBICs as well as DAC (Direct Attach Copper) cables. The RJ45 ports support 10G over CAT6a. If the run is shorter than 45 meters (148 feet) then standard CAT6 can be used. Although, I have successfuly run 10G on CAT5e at short distances, it is  best to stick with manufactures recommendations. In order to reduce the total cost of upgrading, multi-gig was designed to run on CAT5e cabling. You can fully utilize 2.5G and 5G on your existing cables.
    The left side of the QSW-1208-8C features two 60mm fans. Traditionally with most switches, the fans run at high speed and sound like a jet about to take off. While airflow is necessary in this switch, the fans are designed to be silent. Silent fans are also important as QNAP touts the switch as a desktop switch. The switch is also 802.11az (Energy Efficient Ethernet) compliant which, means that when a connected port is at low utilization, power consumption is reduced as well.
  The right side of the QSW-1208-8C features a large mesh area to facilitate airflow. Through the mesh, you get a peek at the large aluminum heatsink inside. The fins on the heatsink run left to right. This allows the fans on the left of the switch to pull air in from the right side and across the heatsink.
  The rear of the QSW-1208-8C is pretty bare. It has a Kensington lock port to secure the switch to the desktop. There is also a COM port. At this time, I’m not really sure what exactly it does. I’ve tried to connect to the switch however, I didn’t get a response. Power to the switch is provided by a standard power cable.
Removing the two screws on the top edge of the rear of the switch will allow you to access the internals of the QSW-1208-8C.  Towards the front of the switch, there is the mainboard with a large aluminum heatsink covering about 1/3 of the motherboard. To the right are the dual 60mm fans. Under the black cover at the back of the switch is the power supply.
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  Four screws secure the heatsink to the main board and after removing them, the heatsink comes off very easily. The heatsink is cooling the three Ethernet controllers. There is also a thermal couple on the right side helps control fan speeds.
There are two Ethernet controllers onboard the QSW-1208-8C, the modules are Marvell’s Alaska X 88X3340P 10G Base-T controllers and one switch controller, the Marvell Prestera 98DX8312A0 Ethernet controller. The Marvell 88X3340P is responsible for managing four of the combo SFP/RJ45 ports and is six-speed capable (10M, 100M, 1G, 2.5G, 5G or 10G) while switching and switch functions are managed by the Marvell Prestera 98DX.
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  [section_title title=System Setup and Testing]
System Setup and Testing
Test System #1
Component Product Name Provided by Processor Intel Core i7-8700K (Retail) Intel Motherboard Aorus Z390 Pro Gigabyte Memory G.Skill SniperX 2x8GB @ 3400MHz 16-16-16-36 (XMP) G.Skill Drive Kingston HyperX Fury 240 GB SATA SSD (OS Drive), ADATA SX8200 M.2 NVME (Test Drive) Kingston & ADATA Video Card  Nvidia RTX 2080 Founders Edition Nvidia Monitor BenQ EL2870U 28 inch 4K HDR Gaming Monitor 3840×2160 @ 60 Hz BenQ Case DimasTech EasyXL DimasTech Power Supply Cooler Master Silent Pro M2 1500W Cooler Master Operating System Windows 10 x64 Pro with latest patches and updates
Test System #2
Component Product Name Provided By Processor Intel Core i7-7800X (Retail) Intel Motherboard Gigabyte x299 Designare EX Gigabyte Memory Corsair Vengeance LPX 4x8GB @ 3000MHz 16-18-18-36 (XMP) Corsair Drive Kingston A1000 480 GB M.2 NVME (OS Drive),  Intel 660p 1 TB M.2 NVME  (Test Drive) Kingston & Intel Video Card  EVGA GeForce GTX 1070 TI SC EVGA Monitor BenQ EL2870U 28 inch 4K HDR Gaming Monitor 3840×2160 @ 60 Hz BenQ Case Fractal Design Meshify S2 Fractal Design Power Supply Corsair RM 850x Corsair Operating System Windows 10 x64 Pro with latest patches and updates
  For this review, I used two PCs connected to the QSW-1208-8C-US via two CAT6a cables. For the networking cards on the PC, I chose the Aquantia AQtion 10G Pro for one PC and the Asus version for the other PC.  During the 10 gigbit test the cards were left at their default settings in Windows. For the multi-gig testing, I manually set the speed of one of the cards to the appropirate setting (1g, 2.5g, and, 5g).
  When it comes to network testing at these speeds, your local storage can be your bottleneck. I chose to use an NMVe M.2 3×4 drive in each PC. Each of the drives is rated for more that 1500 MB/s read speeds and 1200 MB/s+ write speeds. For parity, I also created a RAM drive on each of the PCs to ensure that testing with my chosen local storage option was not skewing the testing results.
To start off, I loaded up JPerf. JPerf is a Java-based test for IPERF. This application tests network bandwidth between two hosts. I set PC #1 as the host and PC #2 as the client. I did up the TCP window size in JPerf in order to test a single stream.
The test was run for 60 seconds. During that time frame, the application transferred 69.1 Gigabytes at an average of 9.89 GB/s.
For the next test, I fired up Performance Test 9.0 and used the network benchmark. Again, I set PC #1 as the host and PC #2 as the client.
By default, the test runs for 60 seconds. Though Performance Test’s network benchmark, an average of 8930.0 Mbps or 8.93 Gbps.
The final test I performed a file copy from PC #2 to PC #1. I have a test file that I created and zipped (uncompressed) containing multiple large files for a total of 12 GB in size.
In the Windows copy test, we were able to send and receive data at 9.6 Gbps which equates to 1 Gigabyte per second.
  Since the QSW-1208-8C supports multi-gig, I ran a quick copy test from PC 1 to PC 2. I set the network card speed in the card settings and manually set it to 1, 2.5 and, 5 Gigabit per second.
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1 Gigabit per second
2.5 Gigabit per second
5 Gigabit per second
At 1 Gigabit per second, I was able to copy a 12 gigabyte file at 118 megabytes per second. At 2.5 G, the copy speed came in at about 298 megabytes per second, and finally at 5 G, 583 megabytes per second was attained.
  [section_title title=Conclusion and Final Thoughts]
Conclusion and Final Thoughts
I’ve been waiting for 10-gigabit networking equipment to come down to the “non-enterprise price level”. For me personally, I guess that would be the prosumer level as far as price. But still, I didn’t really want to pay over $1000.00 for a switch. I don’t know too many people that would pay the price for a piece of network gear in their house. We are starting to see the first 10-gigabit networking accessories becoming affordable. There are a few switches on the market that include a couple of 10-gigabit ports for under $200.00. Which is great for most consumers. What if I need more that two 10G ports? The options you’re left with are a bit limited and can cost upwards of $800.00.
The QSW-1208-8C-US is a great option to fill the gap for users needing/wanting more than two 10G ports and don’t want to spend a bunch of money. There are two versions of the QSW-1208C. The 8-port version currently retails for $469.99 and the 12-port version is $100.00 more at $569.99. This is not a terrible price when you consider the actual per-port cost. The QSW-1208 also gives you the options to use your existing wiring and RJ45 ethernet, you can choose to use fiber cables with SFPs, or your choice of DAC (Direct Attached Copper)cables. SFP+ modules, fiber cables, and DAC cables are dropping in price as well. Options are good.
The QSW-1208-8C is multi-gig capable as well. Gigabit ethernet has served us well since the ’90s it is time to move one. Wireless is a great example of why we need multi-gig. Wireless network bandwidth is starting to outpace wired networks. However, at some point, the wireless access point still needs to connect to the wired network. 802.11ac Wave 2 access points are not quite at 10G levels and without multi-gig, the connection automatically negotiates down to 1G. Multi-gig solves this by adding 2.5G and 5G speeds over existing CAT 5e or CAT 6 cables. Wireless is only going to get faster and with 802.11ac Wave two access points in the market, they are going to need something more than a single gigabit link.
The QSW-1208-8C is an unmanged, plug and play switch. Plug it in and go. It is as simple as that. If you’re a content creator with large network storage, you’ll be pretty pleased with the simplicity of the QSW-1208-8C. For me, I’m extremely pleased with the QSW-1208-8C. I don’t have to fuss with a configuration on my network, although that can be both a blessing and a curse when something isn’t working properly and I want to gather logs from my switches. Overall, I’m very pleased with this switch. The price sits in that sweet spot for me and opens more speed options on my network.
You can pick up the QSW-1208-8C at Amazon.
[sc name=”recommended_hardware_award” ]
            QNAP QSW-1208-8C-US 12-Port Unmanaged 10GbE Switch Gigabit Ethernet is starting to show it's age. With storage devices such as NVMe drives able to transfer data at over 1 gigabyte per second, it's easy to saturate a single gigabit link.
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hound-dog-development · 1 year ago
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AddOn Amer Networks SPPM-10GLRM Compatible TAA Compliant 10GBase-LRM SFP+ Transceiver (MMF, 1310nm, 220m, LC, DOM)
AddOn Amer Networks SPPM-10GLRM Compatible TAA Compliant 10GBase-LRM SFP+ Transceiver (MMF, 1310nm, 220m, LC, DOM)
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