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11 Nov 2015

Existing and emerging network technologies are driving the need for optical transceivers which support increased data rates in the data center. With the emergence of 1000BASE-LX specification, 1000BASE-LX/LH SFP transceiver module is widely used in optical network systems. Here are the most frequently asked questions we might have when using Cisco 1000BASE-LX/LH SFP (GLC-LH-SM or GLC-LH-SMD) transceivers.

1. Can 1000BASE-LX be compatible with 100BASE-LX?

1000BASE-LX and 100BASE-LX are very different standards. 1000BASE-LX SFP (GLC-LH-SMD) and 100BASE-LX SFP (GLC-FE-100LX) are two module types, one for GE and one for FE slots. The GLC-LH-SMD does not operate at 100Mbps. You will need to use a 100Mb module to connect to another...

09 Nov 2015

Pluggable fiber optic transceivers refer to hot-swappable or hot-pluggable optical transceivers which can be quickly plugged into an interface of fiber optical devices. An optical transceiver can best be described as a device that converts high-speed data from a cable source to an optical signal for communication over optical fiber. Optical transceivers are used to update the communications networks to manage broadband, to update the data center networks to make them manage traffic with higher speeds, and to implement the backbone network for mobile communications.

Pluggable fiber optic transceivers provide connectivity options for Ethernet over twisted pair copper and fiber optic cables with transition speeds from 100 Megabits per...