AT&T 3.0 manual Maintenance and Troubleshooting IN-5

Index

T

Telephone problems analog multiline, 3-4Call Forwarding, 3-5- 3-6determining cause, 1-23general, 3-1- 3-4

MLX, 3-6- 3-8single line, 3-5symptom list, 3-2voice transmission, 3-4wiring, 3-3- 3-4

Test

automatic, 4-80- 4-81B-channel Loopback, 4-54- 4-57board controller, 4-50- 4-53CSU Loopback, 4-71- 4-80

Toll fraud, 1-6Top cover

Release 2.0 or earlier, 5-34- 5-36Release 2.1 or later, 5-30- 5-33

Touch-tone receivers

calculating system requirements,

3-8- 3-10

list of modules supplying, 3-10required by VMS, 3-9- 3-10system requirements, 3-10

Transient errors, 2-4Transient/permanent error thresholds,

2-2

Trunk

busy-out, 5-11- 5-13incoming, 5-4maintenance-busy status, 5-7- 5-9manual correction of problems, 5-2 -

5-5outgoing, 5-3restoring, 5-16- 5-17symptom list, 5-2testing automatically, 5-4

U

Unit loads, 1-27- 1-28

Upgrade memory card, inserting, 4-62

V

Voice messaging, failure to transfer, 3-8Voice transmission, 3-4

W

Warm start, 1-21

Wires, 4-59- 4-60

Wiring problems, 3-3- 3-4

Maintenance and Troubleshooting IN-5