VSP-V-2925A Issue 3 1 947212 TALKBACK INTERCOM SYSTEM V-2925A - ADD ON EXPANSION UNIT FOR THE V-2924A The basic V-2924A Talkback Interco

2 947212 P4P2SW1P3 ACPowerFuseP1P1Side View Top ViewPowerLED115/230 SwitchFIGURE 1 - V-2925A CONTROL AND CONNECT

3 947212 FIGURE 2 - PUNCHDOWN BLOCK CONNECTIONS Block P3 - Switch Inputs Block P4 – Speaker Outputs Expansion Unit #1 *Exp

4 947212 Table 1 - Background Music Options Background Music Switch OFF Switch ON Stations Main Board SW1 1-6 SW1-1 No BGM group 1 BG

5 947212 Table 3 - Page Dial Codes: Groups Dial Code Main Board Expansion 1 Expansion 2 Expansion 3 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 1

6 947212 TROUBLESHOOTING CHART Problem Corrective Action No system operation.  Verify AC voltage is present at the receptacle.  Check the fu