Norstar DID Trunk Card (4 Line)
Feature: Provides (4) 2 wire direct inward dialing trunks. Requires one slot in a copper or fiber trunk module.
Norstar 4X0 DID Trunk Cartridge is compatible with the following systems: Modular 8x24 and MICS.
Norstar 4X0 DID Trunk Cartridge is compatible with the following systems: Modular 8x24 and MICS.