AT&T MERLIN 410 Service Manual page 4

TESTING THE VOICE TERMINALS
TESTING THE SYSTEM
LABELING THE VOICE TERMINAL INTERCOM NUMBERS
SYSTEM CHANGES
INTRODUCTION
TO CHANGE CONTROL UNIT SWITCHES
TO ADD AN OUTSIDE LINE
TO ADD A VOICE TERMINAL
TO ADD A VOICE TERMINAL ACCESSORY
TO MOVE A VOICE TERMINAL LOCATION
TO SWAP VOICE TERMINAL LOCATIONS
TO ADD A CARTRIDGE
QUICK CHECK TESTS
INTRODUCTION
QUICK CHECKS TO DETERMINE WHETHER THE TROUBLE IS IN YOUR
SYSTEM
SYMPTOM-BASED QUICK CHECKS
Symptom List
A . Voice Terminal Does Not Ring
Basic Service
Feature Package 1 Service
B. Cannot Make an Outside Call
Basic Service
Feature Package 1 Service
Trouble with Indicator Lights, Speaker, or Ringing
C.
D. Some Custom Features Do Not Work
All Voice Terminals Have No Lights and No Dial Tone (Entire System
E.
Down)
GENERAL QUICK CHECKS
IF TROUBLE REMAINS
MAINTENANCE EXCHANGE PROCEDURES
INTRODUCTION
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