Paradyne CSU - Manual (Page 190)

7. Operation and Maintenance
7-8 September 2002 9128-A2-GB20-80
LED Descriptions
Table 7-1, General Status LEDs , identifies the alarms that cause the Alarm LED to
light. See Table 7-2, Network, DSX, or PRI Interface LEDs , for network, DSX-1,
and PRI interface LED information, Table 7-3, User Data Port LED (CSU/DSUs
Only) , for user data port interface LED information, and Table 7-4, Ethernet Port
LED (Routers Only) 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 Green ON – FrameSaver unit has power and it is
operational.
OFF – FrameSaver unit is in a power-on
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/fault/alarm conditions:
T Alarm Indication Signal (AIS)
T CTS Down
T DBM BRI Card Failure
T DBM Download Failed
T DLCI Down
T DTR Down
T Ethernet Link Down
T Exceeded Error Rate (EER)
T Internal Modem Failed
T ISDN Network Failed
T LMI Down
T Loss of Signal (LOS)
T Network Communication Link Down
T Out of Frame ( OOF)
T Power Supply/Fan Failure
T Primary or Secondary Clock Failed
T Self-Test Failed
T SLV Latency Exceeded
T SLV Timeout
T Suboptimal Link Rate
T Two Level-1 Users Accessing Device
T 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.
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.