Test: Bert Config; Test: Bert Monitor; Test: Comp - Comtech EF Data CDM-750 Installation And Operation Manual

CDM-750 Advanced High-Speed Trunking Modem
Front Panel Operation
5.2.2.2.2 TEST: BERT
BERT: Config
Use the ◄ ► arrow keys to select Config or Monitor, and then press ENTER.
5.2.2.2.2.1 TEST: BERT
BERT
BERT Pattern:
Use the ◄ ► arrow keys to select the BERT configuration parameters, and then use the
arrow keys to edit that parameter setting. Note the following:
BERT Selection
BERT Tx
BERT Pattern
5.2.2.2.2.2 TEST: BERT
BERT Monitor:
Press ENTER to start the BERT Monitor.
Note: BERT Tx must be selected as ON in order to monitor BERT testing, as this changes the
format of the DVB frame sent and expected DVB frame received. Use the
select Restart to clear all counts and re-initiate testing.
5.2.2.2.3

TEST: Comp

Bypass: Enable
Use the arrow keys to select Enable or Disable, and then press ENTER. Note the following:
•
K4 GZip lossless compression and decompression is an optional feature that requires
installation of the compression card in the modem.
•
With Enable selected, K4 GZip compression is turned off (bypassed) while running a test
(the front panel LED Indicator TEST MODE is lit).
•
With Disable selected, this assumes normal modem operation with K4 GZip compression
operable (the front panel LED Indicator TEST MODEM is not lit).
Monitor
Config
Tx:On
Description
Off, On
NOTE: BERT Tx must selected as ON in order to monitor BERT testing, as this changes
the format of the DVB frame sent and expected DVB frame received.
2047, 2^15-1 (2 -1), 2^23-1 (2
15
Monitor
Errs=0.0E+00
BER=0.0E-07
5–31
(34)
(34v)
-1)
23
Count=0.0E+00
Restart
Revision 1
MN-CDM750
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