![Norstar DID Trunk Card (4 Line)](https://s.turbifycdn.com/aah/adcommtech/norstar-did-trunk-card-4-line-23.png)
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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.