The JDSU CT2 Series OC-48 (2.5 Gb/s) transceiver module integrates optics and electronics in a Small Form Factor Pluggable (SFP) package. It is Multisource Agreement (MSA) compatible and designed for operation at 1310 nm and 1550 nm. Although optimized for OC-48, it provides multi-rate capabilities and can be used from OC-3 (155 Mb/s) up to 2.7 Gb/s.
The CT2 Series SFP transceiver provides a fully OC-48 SONET compliant interface between the SONET/SDH photonic layer and the electrical layer. Its microprocessor-based modular design implements all features specified in the SFP MSA compatible 2-wire Serial Digital Diagnostic Monitoring Interface for Optical Transceivers.
The major components in this module include a Fabry-Perot or uncooled distributed feedback (DFB) based optical transmitter, a PIN or APD based optical receiver with integrated transimpedence amplifier (TIA), an APD high voltage circuit (if required), a microprocessor, a limiting post amplifier, and a laser driver. The modular transceiver design offers a "hot-pluggable" interface, allowing the same basic architecture to be used for SR, IR-1, IR-2, LR-1, and LR-2 versions.
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