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Page 524 of 536
Chapter 25 — Fault locating and clearing
553-3121-210
Standard 3.0
January 1999
•
Wiring to the telephone
Possible cause
Action
Fault on other
equipment
Check with the user to determine if the fault is present only on
• certain types of calls (such as on a paging trunk or a Tie trunk)
• calls to a specific location
• calls to a specific telephone or other piece of equipment (such as
a modem or Fax machine)
If the fault occurs only with certain calls, take the appropriate action.
If the fault occurs on all calls, go to the next possible cause.
Defective handset
Check the receiver or transmitter in the handset. If one is defective,
replace the handset or, if necessary, the telephone.
Defective telephone
Disconnect the telephone from the jack. Plug in another telephone
of the same type.
If the replacement telephone works, replace the telephone you
removed.
If the replacement telephone does not work, reconnect the original
telephone and go to the next possible cause.
Note: If the telephone is a Meridian Digital Telephone, enter
LD 32
IDU c u
If there is no response, replace the telephone.
—continued—
Содержание Meridian Meridian 1
Страница 3: ...553 3121 210 Standard 3 0 January 1999 ...
Страница 17: ...xiv Contents 553 3121 210 Standard 3 0 January 1999 ...
Страница 89: ...Page 70 of 536 Chapter 6 Bracing cabinets against earthquakes 553 3121 210 Standard 3 0 January 1999 ...
Страница 97: ...Page 78 of 536 Chapter 8 Installing a new system 553 3121 210 Standard 3 0 January 1999 ...
Страница 107: ...Page 88 of 536 Chapter 10 Installing the system ground 553 3121 210 Standard 3 0 January 1999 ...
Страница 113: ...Page 94 of 536 Chapter 11 Installing the power supply 553 3121 210 Standard 3 0 January 1999 ...
Страница 125: ...Page 106 of 536 Chapter 12 Adding an expansion cabinet 553 3121 210 Standard 3 0 January 1999 ...
Страница 139: ...Page 120 of 536 Chapter 13 Installing the circuit cards 553 3121 210 Standard 3 0 January 1999 ...
Страница 157: ...Page 138 of 536 Chapter 15 Installing and connecting SDI and Ethernet ports 553 3121 210 Standard 3 0 January 1999 ...
Страница 175: ...Page 156 of 536 Chapter 16 Starting up and testing the system 553 3121 210 Standard 3 0 January 1999 ...
Страница 209: ...Page 190 of 536 Chapter 18 Connecting the trunks 553 3121 210 Standard 3 0 January 1999 ...
Страница 323: ...Page 304 of 536 Chapter 21 Installing Hospitality 553 3121 210 Standard 3 0 January 1999 ...
Страница 419: ...Page 400 of 536 Chapter 23 Pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Страница 455: ...Page 436 of 536 Chapter 24 Changing pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Страница 555: ...Page 536 of 536 Chapter 25 Fault locating and clearing 553 3121 210 Standard 3 0 January 1999 ...