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GBIC Module
The GBIC transceiver module (Figures 3 and 4) is a bidirectional device with a transmitter and receiver in the same
physical package. This transceiver converts serial electric signals to serial optical signals and the reverse. In
networking, a GBIC transceiver is used to interface a fiber optic system with an Ethernet system, such as Fibre
Channel and Gigabit Ethernet.
Figure 3. GBIC Transceiver Modules for the Cisco ONS Family
Figure 4. Functional Diagram of Typical Shortwave Laser GBIC