DUAL T1 1.544 MBPS CARD clei This card provides two 1.544 Mbps T1 digital trunk interfaces. Used to compress 44 voice channels to a single T1 link when equipped with the Voice Compression Module (90-0566-01). Requires one T1 LIM (90-0567-01) for each T1 i

DUAL T1 1.544 MBPS CARD clei This card provides two 1.544 Mbps T1 digital trunk interfaces. Used to compress 44 voice channels to a single T1 link when equipped with the Voice Compression Module (90-0566-01). Requires one T1 LIM (90-0567-01) for each T1 interface connection to a T1 channel service unit. Also supports one CSU-2 Module (90-0161-02) for each T1 interface connection directly to a carrier's T-1 lines when using Generic 1115 or greater. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.