Pattern test and local analog loopback test, Pattern test and remote digital loopback test, Pattern – Paradyne 3810 User Manual

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COMSPHERE 3800 Series Modems

8-6

November 1996

3810-A2-GB30-20

Pattern

Pattern can transmit and receive a 511 bit error rate test

pattern. It can also be used with a local analog loopback
or a remote digital loopback to simulate data passing

through the modem. For this test to operate properly, the
modems must be online and in Synchronous or
Asynchronous Direct mode. Otherwise, the message
Invalid:Bffr Mde appears when this test is started. (See
Figures 8-4 through 8-6.)

Figure 8-4. Pattern Test and Local Analog Loopback Test

Figure 8-5. Pattern Test and Remote Digital Loopback Test