Page 482 of 536
Chapter 25 — Fault locating and clearing
553-3121-210
Standard 3.0
January 1999
Table 71
Network fault indicators
Indicator
Possible indications
System messages
CNF messages
DTA, DTC, DTI messages
ERR020, 120, 4060
INI003, 008—012
NWS101, 141, 201—204, 301, 401
OVD021, 022, 023, 031
SYS messages
TDS messages
Visual indicators
Minor alarm on an attendant console
Red LEDs lit or flashing on circuit cards
User reports
Minor alarm reported by attendant
Users cannot transfer or conference
Users cannot dial out on 500/2500-type
telephones
No dial tone at all sets; no display on digital
sets
Summary of Contents for Meridian Meridian 1
Page 3: ...553 3121 210 Standard 3 0 January 1999 ...
Page 17: ...xiv Contents 553 3121 210 Standard 3 0 January 1999 ...
Page 97: ...Page 78 of 536 Chapter 8 Installing a new system 553 3121 210 Standard 3 0 January 1999 ...
Page 107: ...Page 88 of 536 Chapter 10 Installing the system ground 553 3121 210 Standard 3 0 January 1999 ...
Page 113: ...Page 94 of 536 Chapter 11 Installing the power supply 553 3121 210 Standard 3 0 January 1999 ...
Page 125: ...Page 106 of 536 Chapter 12 Adding an expansion cabinet 553 3121 210 Standard 3 0 January 1999 ...
Page 209: ...Page 190 of 536 Chapter 18 Connecting the trunks 553 3121 210 Standard 3 0 January 1999 ...
Page 323: ...Page 304 of 536 Chapter 21 Installing Hospitality 553 3121 210 Standard 3 0 January 1999 ...
Page 419: ...Page 400 of 536 Chapter 23 Pre programmed data 553 3121 210 Standard 3 0 January 1999 ...
Page 555: ...Page 536 of 536 Chapter 25 Fault locating and clearing 553 3121 210 Standard 3 0 January 1999 ...