AT&T MERLIN 820 - Page 5

TEST B: MODULAR LINE CORDS AND NETWORK INTERFACE
TEST
TEST C:
2-LINE/5-TERMINAL EXPANSION MODULE
TEST
Voice Terminals Jack Test
Tel. Co. Lines Test
TROUBLE ON AN ACCESSORY
TEST A: FOR AUXILIARY POWER DEVICES.
Auxiliary Power Unit
Voice Terminal Power Supply
TEST B: FOR ACCESSORIES ATTACHED TO A VOICE
TERMINAL
TEST C:
FOR ACCESSORIES NOT ATTACHED TO A VOICE
TERMINAL
Power Failure Transfer Telephone (PFTT)
Music-on-Hold Equipment
Paging System
Extra-Alert Devices
Line-Powered Alerts
MAINTENANCE EXCHANGE PROCEDURES
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