- COMSPHERE MODEMS INSTALLATION AND OPERATION MANUAL 392xPLUS, 3920PLUS, 3921PLUS

DCP Operation
3-633920-A2-GN31-30 November 1996
F1
Pick Test Port >
Port1 Port2
F2
F3
Select the appropriate port by pressing the corresponding F key . Press the key to scroll other
ports into view.
The Pick Test Port screen does not appear in Singleport mode.
F1
Test:P1:Pattern
Started
F2
F3
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. Y
ou may see
P1, P2, P3, or P4.
F1
Test P1:Pattern >
BlksErrd=xxxxxxx
F2
F3
BlksErrd=xxxxxxx displays the number of blocks of data found in error (block size is 1000 bits
per block). BlksRcvd=xxxxxxx displays the total number of blocks of data received. Select Clear
to reset both block counters. In Singleport mode the message NoSync can appear as a value for
BlksErrd while the modem’
s receiver is synchronizing. The message OvrFlw can appear as the
value for BlksErrd if the counter overflows.
Press the key to display BlksRcvd=xxxxxxx, number of blocks of data received.
Press the key to display Clear. Select Clear to reset the block counters.
The Pattern test can be exited and reentered without restarting the test. The BlksErrd and BlksRcvd
continue counting.
If the Test Timeout configuration option is enabled, T
est T imeout appears at the conclusion of the
test. 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 4.
To exit this function and remain in the T est branch, press the key . To exit and return to the
Top-Level menu, press the
key .