Visual Fault Indicators - Nortel Meridian 1 Planning, Installation And Operating Instructions

Page 462 of 536

Visual fault indicators

553-3121-210 Standard 3.0
Chapter 25 — Fault locating and clearing
There are visual indicators that can help identify faults. These indicators
include:
• A major alarm display: indicates a possible power, or Common
Equipment, or Network fault
• Circuit card Light Emitting Diodes (LEDs): indicates a card or a unit on
a circuit card is disabled
Table 65 lists visual indicators and the type of fault they might indicate.
Table 65
Visual fault indicators and related fault types
Indicator
Green LED off on a power supply
Circuit breaker tripped (down)
Remote alarm
Red LED lit on CE card
Minor alarm on an attendant console
Red LED lit on associated card
Red LED lit on trunk card
Red LED lit on associated cards
Red LED lit on associated cards
Sync LED on Fbr Rcvr card
January 1999
Type of fault
Power
Common Equipment
Network
Peripheral Equipment
Trunk
Attendant console
Telephone
Fbr Rcvr card or Fiber
cable