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7.0
TROUBLE SHOOTING GUIDE
Always visually check the phone for loose or shorted wires, damaged terminals,
or damaged parts.
PROBLEM: NO DIAL TONE AND/OR MCRK-2 CARD DOES NOT
POSSIBLE CAUSE:
LINE CORD
RJ11C CONNECTOR
MCRK-2 CARD
NETWORK
NETWORK CABLE ASSY.
HOOKSWITCH CABLE ASSY.
HOOKSWITCH ASSY.
MICROPROCESSOR
HANDSET
PROBLEM: DIAL TONE IS DISTORTED
POSSIBLE CAUSE:
NETWORK CABLE ASSY.
HOOKSWITCH CABLE ASSY.
HOOKSWITCH ASSY.
MCRK-2 CARD
NETWORK
HANDSET
PROBLEM: TRANSMITTER DOES NOT TURN ON
POSSIBLE CAUSE:
HANDSET
MCRK-2 CARD
NETWORK CABLE ASSY
NETWORK
PROBLEM: TRANSMITTER DOES NOT TURN ON FOR INCOMING
POSSIBLE CAUSE:
PHONE NOT PROGRAMMED TO ALLOW INCOMING CALLS.
MCRK-2 CARD
FUNCTION
CALLS
CEECO
Communication Equipment & Engineering Company
PROPRIETARY
ISSUE 4.0
13
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