Cisco - SFP (mini-GBIC) transceiver module - GigE - 10Base-T, 100Base-TX, 1000Base-T - RJ-45

The SFP transceiver module is a bidirectional device with a transmitter and receiver in the same physical package. The module interfaces to the network through a connector interface on the electrical ports and through an LC termination connector on the optical ports. Electrical interfaces and dimensions are defined in the SFF-8472 industry-standard multisource agreement (MSA).