Nortel Meridian Meridian 1, Планирование, установка и инструкции по эксплуатации

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Page 510 of 536 Chapter 25 — Fault locating and clearing
553-3121-210 Standard 3.0 January 1999
Clearing attendant console faults
Attendant console faults
Components that can cause an attendant console fault are:
• the console itself or add-on units
• the console power supply
• the building wiring
• the cross-connect from the console to the line circuit
• the unit on the peripheral line circuit card
• the peripheral line circuit card
• the ringing generator
• the cabinet power supply
If more than one attendant console is affected, look for connections such as:
• they are on the same line circuit card
• there is a problem with ringing or tones
Defective NTMW01 SSC
card Use the attendant console Barge-in to seize trunks and audibly
test for dial tone and outpulsing, or use a maintenance telephone
and enter
LD 36
TRK c u
(“c u” represents card and unit numbers)
Note: See the Option 11C Compact software guide for information
on using this test.
If you do not hear outpulsing or tone replace the NTMW01 SSC
card.
Excessive traffic in the
system Additional trunk circuit cards may be required to handle the traffic
in the system.
Possible cause Action