Comtech EF Data CDM-570A - Manual (Page 154)

CDM-570A/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Front Panel Operation Revision 2
6–50
6.3.4.2 TEST: BERT
This feature is UNAVAILABLE when operating in CDM-570 Compatible Mode. See
Sect. 6.2 for further information.
BERT: Config Monitor
Use the ◄ ► arrow keys to select Config or Monitor. Press ENTER.
6.3.4.2.1 (TEST: BERT) Config
Tx: Off Pat: 1:1
Rx: On Pat: 2047
Use the ◄ ► arrow keys to select the BERT operational setting, and then use the ▲▼arrow
keys to set the operational setting.
BERT configuration options are as follows:
Parameter Description
Tx: or Rx: Off or On
Pat (Pattern Options) Space, Mark, 1:1, 2047, 2 15 -1, 2 23 -1
6.3.4.2.2 (TEST: BERT) Monitor
Errs=00000000 Sync: OK
BER=3.35E-07 Reset 1Err
This screen displays the ongoing BERT as follows:
Display Line Parameter Description
Top
Errs Displays the number of errors currently tallied in BERT.
Sync Displays as OK or Loss.
Bottom
Reset Select to reset the Errors (Errs) counter to 00000000.
1Err Select to insert a 1-bit error in the Tx test pattern.
If you attempt to select Monitor from the (TEST: BERT) Config screen, and Rx, or both is Off,
then the modem displays the following message:
BERT machine is OFF
Press CLEAR to exit
Press CLEAR to return to the TEST: BERT menu, and then use the Config: menu