Pattern Test And Local Analog Loopback Test - Paradyne COMSPHERE 3920PLUS Technical Reference Manual

COMSPHERE 392xPlus Modems
This screen does not appear in Singleport mode.
The message Started appears on the LCD and the Test LED lights. The port field (for example,
P1 for Port 1) displays the port that is currently selected. You may see P1, P2, P3, or P4.
If OtherTestActive appears on the LCD, another test is in progress. Select Abort to clear the
current test and try again. If the Test Timeout configuration option is enabled, Test Timeout
appears at the conclusion of the display. If it is disabled, the test operates until aborted. For more
information on the Test Timeout configuration option, refer to the Test section in Chapter 5,
Configure Branch.
To exit this function and remain in the Test branch, press the
Top-Level menu, press the
Pattern
Pattern can transmit and receive a 511 bit error rate test pattern. It can also be used with a
currently running local analog loopback or a remote digital loopback to simulate data passing
through the modem. You will need to start the local analog or remote digital loopback test before
you start the pattern test. For this test to operate properly, the modems must be online and in
Synchronous or Asynchronous Direct mode. Otherwise, the message Invalid Command appears
when this test is started (Figures 8-4 through 8-6).
8-8
Test:P1:Dig Loop
Started
F1 F2
Figure 8-4. Pattern Test and Local Analog Loopback Test
F3
key.
October 1998
key. To exit and return to the
3920-A2-GH30-40