User manual

Product Description
LED Test and Status Indicators
2-14 July 2004 Wide Bank 28 DS3 - Release 2.4
LED Test and Status Indicators
Figure 2-7 Wide Bank Test and Status Indicators
Low Speed Status LEDs
SparesHigh Speed Controller BHigh Speed Controller A
1-4 5-8 25-2821-24
CR - CRITICAL ALARM
LED State Meaning
OFF
RED
No Alarms
Traffic-Affecting Fault
MJ/MN - MAJOR/MINOR ALARM
LED State Meaning
OFF
YELLOW
RED
No Alarms
Minor Alarm
Major Alarm
CS - CTRL STAT
(DS3 CONTROLLER STATUS)
LED State Meaning
OFF
GREEN
RED
RED Flashing
YELLOW
Standby
Normal (Active) Operation
Alarm Condition
Self-Test Fail
Network Loopback
HS - HIGH SPEED LINE CONDITION
(DS3 CONDITION)
LED State Meaning
GREEN
RED
RED Flashing
YELLOW
YELLOW Flashing
Normal Operation
Loss of Signal
LOF or AIS Received
Remote Alarm Detection
Line Code Violation,
Frame Bit Error, or
Parity Error
ACO - ALARM CUTOFF
LED State Meaning
OFF
YELLOW
Alarms Active
Alarms Suppressed
LS - LOW SPEED STATUS
(DS1, E1 & SPARE CIRCUITS)
LED State Meaning
OFF
GREEN
RED
RED Flashing
YELLOW
YELLOW Flashing
Off Line
Normal Operation
Loss of Signal or
Metallic Loopback
Self-Test Fail
Line or Equipment Loopback
Line Code Violation
ETHERNET STATUS
(On Rear Panel)
LED State Meaning
OFF
GREEN
No Power or No Link
Link OK
POWER
LED State Meaning
OFF -48V Input Power Is High,
Low or Missing, or -48V
Internal Power Failed
GREEN
RED
Normal Operation
5V Onboard Power
Supply Failed