When using the WS-G5486 or GLC-LH-SM with 62.5-micron diameter MMF, you must install a mode-conditioning patch cord between the GBIC module or SFP module and the MMF cable on both the transmit and ...

With 10GbE, it is possible to get optics modules that output at DWDM wavelengths, allowing for much simpler DWDM deployments, and with these optics no additional transponder hardware is required.

The Cisco C1300-8MGP-2X is available on Amazon for $718 and has a lifetime warranty. The eight-port unit supports 1Gb, 2.5Gb copper Ethernet, and 10Gb through SFP modules.