Nortel Norstar 4X0 CLID LS/DS 4 Line Trunk Card with Caller ID

The NT5B75 4x0 CLID LS/DS Trunk Card has the same functionality as the 4x0 LS/DS Trunk Card but with the added capability of caller ID. The card adds 4 Central Office analog lines to your Norstar Compact ICS or Modular ICS. All LS/ DS (Loop Start/Disconnect Supervision) Trunk Cards have Disconnect Supervision capability and are labeled "DS" on the faceplate. Compatible with the MICS or CICS cores, Fiber or Copper Trunk Modules, and the Modular 8x24 Copper Trunk Module. In addition, the CLID Trunk Cartridge can detect and translate incomin CMS/CLASS information for display on Norstar sets.

The CI Trunk Cartridge is required when any CMS/CLASS lines terminate a MICS/ICS core or Trunk Module.