CSU-2 MODULE clei Required for compliance to PUB-62411. Required to connect direct to T-1 lines from carrier; powered from system only; no wetting current; includes circuitry for bypass switching; does not include circuitry for redundancy switching. For

CSU-2 MODULE clei Required for compliance to PUB-62411. Required to connect direct to T-1 lines from carrier; powered from system only; no wetting current; includes circuitry for bypass switching; does not include circuitry for redundancy switching. For use with T1 (90-0093-05) DT1 (90-1625-02) and DT1-2 (90-1625-02) as well as T1 Based 3630 systems. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.