Emergency telephone / 265P0992638 03 Modular ICS 6.0 Installer GuideEmergency telephoneYou can connect an emergency telephone to an ICS or TrunkModule (TM) with a Loop Start Trunk Cartridge to provideemergency service when there is no power to the ICS. The ICShas emergency telephone connections for lines 002 and 026.Each Trunk Module has one emergency telephone connection.1. Wire a modular jack or equivalent to each set ofemergency telephone pins on the 50-pin distribution blockfor the ICS or Trunk Module external lines.Refer to Wiring charts on page 241 for the pin numbers.2. Connect a single-line telephone (500/2500) to the modularjack.3. Prepare to test the emergency telephone by removing theTrunk Cartridge from the slot (slot 3 or 4 on the ICS, andslot 1 on the TM).4. Connect the power, then connect the central office lines tothe ICS.5. Pick up the emergency telephone receiver and listen fordial tone.6. Disconnect the central office lines, then remove powerfrom the system.7. Replace the Trunk Cartridge in the left slot.8. Continue with procedures for powering up the system.Tips - The emergency telephone connections on the TrunkModule will not work if there is an E&M/DISA, a BRI-ST orBRI-U card or a DID Trunk Cartridge in the first slot of theTrunk Module. The emergency telephone connections on theICS will not work if DTIs or PRIs are used.
