User`s guide

5-20 DL600E E1 Data Multiplexer UserÕs Guide

For more information about monitoring the DL600E unit, refer to ÒMenu-1

Main Status ParametersÓ

in Chapter 4.

Using the TEST Menu

You can perform the Self-Test, activate network loopbacks, test modes,

and

DTE loopbacks on the local DL600E unit from the front panel TEST

menu.

Note: The TEST menu does not appear on the front panel

display if the front panel is protected in Menu-4 Main

ConÞguration (

UNIT Protect mode is enabled).

Only the Network Loopback test can be run on the remote unit from the

TEST menu.

Starting and Ending a Test

You can run only one test at a time. To run another test, you must

terminate the first one.

1 To start a test, open the TEST menu and select the test from the

menu or one of the sub-menus.

If you select a test that applies to a fraction of the E1

bandwidth, you are prompted to specify the fraction.

MONITOR

CONFIGURATION

TEST

EFS 100 PERCENT