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The GBIC 20km transceiver is small form factor pluggable module with standard SC duplex connector for fiber communications. This module is designed for single mode fiber and operates at a nominal wavelength of 1310nm with cost effective and high performance characteristics.
The receiver contain of an InGaAs PIN photodiode coupled to a high sensitivity transimpedance amplifier (TIA) in an OSA. This OSA combination is mated to a post amplifier IC that provides the post amplification and LOS (Loss of Signal) indication circuit, which provides LVTTL logic high state output when a unusable input optical signal level is detected.
The transmitter consists of a high-performance MQW FP structure laser in the optical subassembly (OSA), which is housed within a metal package. In addition, this component is also class 1 laser compliant with according to International Safety Standard IEC-60825.