Lucent Technologies SLC ConnectReach User & Service Manual page 437

Software Upgrade, Maintenance, and Trouble Clearing
Trouble Clearing Procedures
Using the LED Status Indicators to
Isolate Troubles (Continued)
Understanding the
LED status
indicators
(continued)
The following table lists the possible states of each LED and indicates the
condition that corresponds to each state.
When the Green Status LED is...
On
Flashing
Off
When the Yellow Maintenance LED
is...
On
Flashing
Off
When the Yellow T1 Status LED is...
On
Flashing in 500-ms intervals
Off
When the Red T1 Framing LED is...
On
Flashing in 500-ms intervals
Off
NOTE:
The Secondary/Fractional T1/DSX-1 LEDs operate only if a Secondary/
Fractional T1/DSX-1 line is installed and enabled.
Then...
The self-test was successful; no packets
are being sent/received.
The self-test was successful; data
packets are being sent /received on the
T1 line.
The self-test failed. For details about
status codes, refer to the following
section entitled "Using the Self-Test
Results to Detect Troubles".
Then...
There is a network loopback occurring on
the network T1 line.
A diagnose command is active or the
® ™
SLC ConnectReach
maintenance mode.
The unit is operating normally.
Then...
There has been a yellow alert in the last
second.
There have been one or more bipolar
violations in the last second.
The unit is operating normally.
Then...
There is a red alarm condition. Refer to
the following section entitled "Using the
Self-Test Results to Detect Troubles".
There is framing bit error rate greater
5
than 10E in the last second.
The unit is operating normally.
Issue 4
363-208-050
system is in the
June 2002 9-23