Norstar 12x0 Copper Trunk Module

Feature: This module provides 3 expansion slots for trunk cartridges. Includes DS-30 Connection Cable. Requires one port on a 2 or 6 port copper expansion. Adds a max of 12 external lines. Max 6 trunk modules per system.

Norstar 12X0 Copper Trunk Module is compatible with the following systems: Modular 8x24.