COMMON CARRIER CARD clei The Common Carrier card allows up to four channel units to interface to a 3600. Plugs into any UCS. Provides metallic test access relays for customer loop testing. A front cover (90-3647-01) is required when this card is used in C

COMMON CARRIER CARD clei The Common Carrier card allows up to four channel units to interface to a 3600. Plugs into any UCS. Provides metallic test access relays for customer loop testing. A front cover (90-3647-01) is required when this card is used in Class B or EU application. This assembly contains a Telcordia CLEI (Common Language Equipment Identifier) label.