Line Loopback Testing - JDS Uniphase HST-3000 User Manual

Chapter 2 E1 testing

Line loopback testing

Line loopback testing

38
The Error Settings menu appears. For more informa-
tion, see step 9 on page
11 To view results, see
Drop and insert testing is complete.
Line loopback testing allows you to loop the entire E1 circuit.
This configuration will loop the incoming data back out the
transmitter yet still allow the receiver to monitor the incoming
signal. Line code errors will not be corrected, jitter will not be
cleaned up, and the signal will be regenerated but data will not
be inserted on the line. While in this mode, the HST-3000 will
present minimal delay. Only RX/TX1 is applicable in Line
Loopback mode.
The following procedure describes how to perform a line loop-
back test.
To perform a line loopback test
1 Launch the BERT application. See
cation" on page
2 Access the test configuration menus. See
test configuration menus" on page
3 Press the INTERFACE soft key.
4 Select Test Mode and then select Line Loopback.
5 Press the Home navigation key, and then restart the test.
This will clear all alarms and begin a new test.
6 To view results, see
Line loopback testing is complete.
HST-3000 E1 Testing User's Guide
31.
"Viewing test results" on page
5.
"Viewing test results" on page
39.
"Launching an appli-
"Accessing the
7.
39.