ADTRAN 25 manual Maintenance

MAKE POOLED MODEM TEST CALL	. . . .
TEST TRANSFER TO DATA	. . . . ... . . .
TEST EXTERNAL ALERT (NIGHT SERVICE)
TEST DICTATION SYSTEM ACCESS
TEST PAGING INTERFACE
TEST MUSIC-ON HOLD
TEST EMERGENCY TRANSFER
TEST TOUCH-TONE RECEIVERS

MAINTENANCE

EQUIPMENT NEEDED

Precautions

GENERAL INFORMATION

System Errors and Alarms

Emergency Transfer

Circuit Pack LEDs

Attendant Console LED

Power Supply

Switches and Test Points

System Administration

Remote Initialization Maintenance (RIM) Service

MAINTENANCE STRATEGY

Total System Failures

P o r t P r o b l e m s

Common Control Problems

Staion, Trunk Problems

Antomatic Maintenance Tests

Maintenance Failure

USING THE DIGITAL TAPE UNIT

Setting Up the DTU

Saving Translations

Verifying Translations

Restoring Translations

3-11

3-11

3-12

3-13

3-13

3-14

3-15

3-16

4-1

4 - 4

4 - 4

4 - 4

4 - 4

4 - 6

4 - 6

4 - 6

4 - 6

4 - 6

4 - 9

4-11

4-11

4-12

4-13

4-13

4-13

4-14

4-14

4-15

4-16

4-18

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