Enterasys Networks X-PeditionTM manual T1/E1 & T3/E3 Error Events Analysis, Xsr

Troubleshooting T1/E1 & T3/E3 Links

Figure 4-5 T1/E1 & T3/E3 Alarm Analysis Troubleshooting Actions Flow (Part 2)

Receive Remote Alarm Indication (Yellow alarm) - see Figure 1-2

Transmit Alarm Indication Signal

(Blue alarm) - see Figure 1-2

Insert external loopback cable

in the port

No

Check the

Are there any cabling alarms?

Yes
		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
	Does the	Reconnect the
		line to
	problem
		the original
	persist?
			port
Yes
	Perform
	loopback
	test
Error Events Analysis
- refer to Figure 1-5

Does framing on the port match the line setting?

Yes

Power

cycle the

XSR

Does the	No
problem
persist?

Yes

Connect

the

line to a different port

Does the	No
problem
persist?

Yes

Perform loopback test

Error Events Analysis - refer to Figure 1-5

	Use the following
No	commands to set
	framing:
	controller t1 x
	framing

This problem is fixed

The port may be

defective

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 show controller command displays 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 show controller output. Here are some troubleshooting steps you can perform with a flowchart displaying troubleshooting actions.

XSR User’s Guide 4-11