Lights; Lights A4 - Merlin 3070 Service And Maintenance Manual

Voice terminal behaves abnormally in the test mode (T setting of T/P switch).
Symptom:
Normally, when a voice terminal is in the test mode the red and green lights flash
alternately and a tone sounds regularly.
Possible Cause
1. Modular jack for the voice
terminal is miswired.
2. Wiring between the control unit
and voice terminal is faulty.
Recommended Action
1 . Make sure the wires from the cable are
terminated in this order from left to right:
2 . Make sure the wiring between the voice
terminal, jack field, and contol unit is not
damaged. Make sure the connections are
secure.
Make sure the control unit is connected to a
third-wire (green wire) ground, not a conduit
ground.
TROUBLE ON ONE TELEPHONE
1. White-blue
2. Blue
3. White-orange
4. Orange
5. White-green
6. Green
7. White-brown
8. Brown

Lights

A4-3