Operation and Maintenance
5-4
9664-A2-GB20-00
March 2000
LED Descriptions
The following table identifies the alarms that cause the Alarm LED to light. See
Table 5-2 and Table 5-3 for network interface and user data port LED information.
Table 5-1. General Status LEDs
Label
Indication Color What It Means
OK 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:
H CTS Down
H DLCI Down
H DTR Down
H LMI Down
H Loss of Signal (LOS) at Network
Interface
H Self-Test Failed
H SLV Timeout
H Two Level-1 Users Accessing
Device
OFF – No failures have been detected.
These alarms appear on the System and
Test Status screen. See
Health and Status
Messages
for additional information.
TST Test Mode Yellow ON – Loopback or test pattern is in progress,
initiated locally, remotely, or from the
network.
OFF – No tests are active.
