How to Select the 10G Transceivers

From the origin of 10G Ethernet, 10G optical transceivers have been developed along the way to satisfy the increasing need for higher-performance servers, storage and interconnects. Nevertheless, choosing the best kind of 10G optical modules is not constantly simple. There are a range of aspects that should be thought about. In order to be able to choose a coordinating transceiver for a offered application and hardware, all listed below mentioned specifications need to be considered.

The transceiver needs to mechanically and electrically suit a provided switch, router and so on. Transceiver MSAs specify mechanical type elements consisting of electrical interface along with power usage and cable connector types. XENPAK is the first MSA for 10 Gigabit Ethernet. The XENPAK MSA specifies a fiber optic or wired transceiver module which adheres to the 10 Gigabit Ethernet standard of the IEEE 802.3 working group. Then X2 followed with smaller size. XFP specification was introduced after X2 with more contact size. SFP and SFP+ are the latest and the most typical form elements which allow 10G Ethernet.

Select the ideal 10G optical transceivers inning accordance with the transport media, particularly the fiber type. There are a variety of 10 Gb/s media systems, with a few of the most extensively utilized systems defined in the basic explained here:

10GBASE-CX4

10 Gb/s Ethernet over short-range copper cable assemblies (15 m maximum).

10GBASE-T

10 Gb/s Ethernet over unshielded and shielded twisted-pair cables. Category 6A or better twisted-pair cables are needed to reach the maximum range defined.

10 Gb/s Ethernet over short-range multimode fiber optic cables.

10GBASE-LR

10 Gb/s Ethernet over long-range single-mode fiber optic cables.

Select the suitable modules which are certified with the correct connectors. The connectors widely-used generally have following types: Duplex LC connector, MPO connector, and MTP connector (a high efficiency MPO connector). For examp[le, HP 455883-B21 10GBASE-SR SFP+ transceiver module supplied by Cozlink is certified with the Duplex LC connector.  

When we select the perfect 10G optical transceivers, we have to think about the transmission distance and the reach requirements we require in truth. The most typical kinds of transceivers divided by its transmission range can reach up to 100m, 150m, 300m, 400m, 1km, 2km, 10km, 40km and so on. For instance, Cisco SFP-10G-SR compatible 10GBASE-SR SFP+ transceiver supports link lengths of 300m over multimode fiber cables. And Juniper XFP-10G-L-OC192-SR1 compatible 10GBASE-LR transceiver offers superior efficiency for SONET /SDH and Ethernet applications at up to 10km links.  

The wavelength the transceivers run with is an essential element in selecting the appropriate 10G optical transceivers. For example, Cozlink's 10G CWDM XFP is developed for single mode fiber and runs at a nominal wavelength of CWDM wavelength. There are fourteen center wavelengths available from 1350nm to 1610nm, with each step 20nm.

Cozlink offers different kinds of 10G optical modules consisting of single-mode and multi-mode with various channels and wavelengths. To attain a quick and effective choice of the 10G optical transceivers, we must think about all those elements adequately.

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