T1/E1 & T3/E3 Error Events Analysis - Enterasys Security Router X-PeditionTM User Manual

Figure 4-5
Receive Remote Alarm Indication
(Yellow alarm) - see Figure 1-2
Insert external loopback cable
Yes
Yes
Error Events Analysis
- refer to Figure 1-5
T1/E1 & T3/E3 Error Events Analysis
This section describes various error events that can occur on controller lines and provides
troubleshooting information to fix some of these errors. The
the status and statistics specific to the hardware. This information is useful for diagnostic tasks.
All problems that can occur are captured by the underlying hardware and reported by the
controller
displaying troubleshooting actions.
T1/E1 & T3/E3 Alarm Analysis Troubleshooting Actions Flow (Part 2)
in the port
No
Check the
Are there any
cabling
alarms?
Check the
settings on
Check the
the remote
cabling
end
Power
Contact your
cycle the
service/
XSR
network
provider
Connect
the
line to a
different
port
No
Reconnect the
Does the
line to
problem
the original
persist?
Perform
loopback
test
output. Here are some troubleshooting steps you can perform with a flowchart
Transmit Alarm Indication Signal
(Blue alarm) - see Figure 1-2
Does framing on
the port match the
Yes
Yes
port
Yes
Error Events Analysis
- refer to Figure 1-5
Troubleshooting T1/E1 & T3/E3 Links
No
line setting?
Power
cycle the
XSR
No
Does the
This problem is fixed
problem
persist?
Connect
the
line to a
different
port
No
Does the
The port may be
problem
defective
persist?
Perform
loopback
test
show controller
command displays
XSR User's Guide 4-11
Use the following
commands to set
framing:
controller t1 x
framing
show