Paradyne CSU User Manual
7. Operation and Maintenance
7-8
September
2002
9128-A2-GB20-80
LED Descriptions
, identifies the alarms that cause the Alarm LED to
, for network, DSX-1,
and PRI interface LED information,
, for user data port interface LED information, and
for Ethernet interface LED information.
Table 7-1.
General Status LEDs (1 of 2)
Label
Indiction
Color
What It Means
OK
1
Power and
Operational
Status
Operational
Status
Green
ON – FrameSaver unit has power and it is
operational.
operational.
OFF – FrameSaver unit is in a power-on
self-test, or there is a failure.
self-test, or there is a failure.
ALM Operational
Alarm ( Fail)
Red
ON – FrameSaver unit has just been reset, or an
error or fault has been detected.
error or fault has been detected.
Error/fault/alarm conditions:
Alarm Indication Signal (AIS)
CTS Down
DBM BRI Card Failure
DBM Download Failed
DLCI Down
DTR Down
Ethernet Link Down
Exceeded Error Rate (EER)
Internal Modem Failed
ISDN Network Failed
LMI Down
Loss of Signal (LOS)
Network Communication Link Down
Out of Frame ( OOF)
Power Supply/Fan Failure
Primary or Secondary Clock Failed
Self-Test Failed
SLV Latency Exceeded
SLV Timeout
Suboptimal Link Rate
Two Level-1 Users Accessing Device
Yellow Alarm Signal
1
When an ISDN BRI DBM is installed, if the OK LED comes on then goes off during
power recycling, the ISDN BRI DBM may have failed.
power recycling, the ISDN BRI DBM may have failed.
2
On the Display LEDs & Control Leads screen for the Model 9128-II only, FR Mode
is On or Off. When On (highlighted), the FrameSaver unit is in Frame Relay mode.
is On or Off. When On (highlighted), the FrameSaver unit is in Frame Relay mode.