Technical data

Chapter 18 507
T1 Analyzer
Making T1 Measurements
T1 Analyzer
Sample Emulate CSU/NIU Test
The purpose of this test mode is to emulate a CSU or NIU. The test set will
terminate the T1 line, and a loop-up code sent from the far end will cause this test
set to enter a loopback state. Conversely, a loop-down code sent from the far end
will cause this test set to exit the loopback state.
If you are using ESF, configure the appropriate ESF Loop Code on the Setup menu.
In this example, you use the emulate CSU/NSU test mode to have the test set
emulate a CSU or NIU at the near end. In this mode it is possible for the far end to
place this test set into loopback mode. The T1 circuit is not available for service
20 Setup the alarms.
a. [Alarms]
b. [Pri]
This selection causes the Alarm pane to toggle
between Primary and Secondary. Use this selection
to observe the Primary Results in the Alarm Panel.
21 Setup the results
display.
a. [Results]
b. Use the up and
down arrows to
select.
c. Make a selection.
d. [Select]
Make a selection based on the need of the
application.
22 [Control] The selection enables several soft keys on the right
that control choices specific to each test mode.
23 Select a pattern.
a. [Pattern]
b. Use the up and
down buttons to
select.
c. QRSS
d. [Select]
Select a pattern.
Step Notes