Verilink SCC 2130 (880-503282-001) Product Manual Manual de usuario descargar pdf (Pagina 55)

Verilink SCC 2130 User Manual

-1

Chapter

Diagnostics

While installing your SCC 2130, or after it has been placed into

service, the Diagnostic routines allow you to troubleshoot or verify

the T1 circuit and Verilink equipment.

Light Emitting Diodes on the front panel of the SCC 2130 give a

visual indication of alarm and status conditions. The

Diagnostics

gives current information about possible alarm conditions as

well as offering command options which may be used to establish

and terminate loopbacks and test patterns.

Using Diagnostics

A typical way of using the

Diagnostics Menu

might involve the

following steps:

1. Establish a loopback somewhere in the circuit path

2. Start transmitting a test pattern

3. Observe the test error counter to see if the test pattern is

received as it was sent

a. If no errors are observed, move the point of loopback

further away to test more of the circuit path, or

b. If errors are observed, move the point of loopback closer

to determine the source of the problem

4. Stop the test pattern, drop all loopbacks, then:

a. Place the T1 circuit back into service if all tests passed, or

b. Contact the appropriate vendor if a problem was found

Alarm Status

In addition to offering the ability to put up and take down

loopbacks and test patterns, the

Diagnostics Menu

also offers

information about the current status of the DTE interface and the

T1 network interface.

The top area of the

Diagnostics Menu

includes a drawing made up

of ASCII characters which represents the operation of the CSU. The

equipment interface is shown on the left and the network interface

is shown on the right. In the area to the left and right of the line

drawing of a framer, status information is represented by words

displayed in upper case characters.

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Verilink SCC 2130 (880-503282-001) Product Manual Manual de usuario Pagina 55

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