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  3. TELCO/KEYSWITCH WIRING SCHEMES
  4. To a CAT-CDMA-L (black board)
  • Terminal 1(RING) should be wired to Ring on the panel (used for communication)
  • Terminal 2(TIP) should be wired to Tip on the panel (used for communication)
  • Terminal 3(NEG AUX) should be wired to Neg aux on the panel
  • Terminal 4(POS AUX) should be wired to Pos aux on the panel
  • Terminal 5(PGM) should be wired to the programmable output on the panel (used for interactive service)
  • Terminal 15(ZN) should be wired to any open zone on the panel (used for interactive service)
  • a zone resistor (used to indicate change of state) should be placed parallel from Terminal 3 to Terminal 5 on the CAT CDMA

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