Emergency telephone / 291N0130943 02 Modular ICS 7.1 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(profile 1, 3 and 4) or 002 to 030 (profile 2). Each TrunkModule 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 260 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.These versions of the Global Trunk moduledo not support emergency telephones:NTBB1202 TM With Auto Ranging power supply.NTBB20AD-93 UK Class B TMNTBB20AE-93 Australia TMNTBB20FD-93 Eng/Fr TMNTBB20FF-93 Cala TMNTBB20FG-93 International TM
