10 Digital Monitoring Products, Inc. | Troubleshooting Guide
CLEARING SYSTEM MESSAGES
Here are some common system messages that may display on a keypad� A brief description of what the message means
and some basic troubleshooting tips are listed under each system message heading�
PHONE LINE 1 TROUBLE
PHONE LINE 1 TRBL or PHONE LINE 2 TRBL means that the panel detects a problem with the telephone line� Because
of hardware dierences between DMP residential models and DMP commercial models, PHONE LINE 1 TRBL or PHONE
LINE 2 TRBL can mean a couple of things�
RJ supervision for DMP XR200 panels is achieved by placing a jumper wire across pins 2 & 7 of the RJ-31X�
PHONE LINE 1 TROUBLE - XT30/XT50 PANELS
Connect the RJ SUP header to an available zone on the panel� When the telephone cable is removed, the keypad
displays zone trouble along with the zone name and produces a steady tone�
To correct this condition:
1
Check the RJ cable for continuity� There may be a broken wire� If so, replace the RJ cable with DMP Model
356-2�
2
Make sure that RJ-31X pin-out is correct—RJ-31X pin-out—as shown below�
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