Comtech EF Data CDM-625A Installation And Operation Manual page 319

CDM-625A Advanced Satellite Modem
Serial-based Remote Product Management
Command
Parameter Number of
(Instruction
Type Arguments
& Qualifier)
Rx BERT RBP= 1 byte
Pattern
BERT 10E-3 BKE= 1 byte, value of 0
Error Insert or 1
BERT Restart BRM= None
Monitor
BERT Result in N/A 7 bytes, numeric
bit errors
BERT Result in N/A 6 bytes
average BER
Description of Arguments
Command or Query.
Rx BERT Pattern, in the form x, where:
0=space
1=mark
2=1:1
3=1:2
4=63
5=511
6=2047 (default)
7=2047R (or 2047 Alternate)
8=Mil-188
9=2^15-1
A=2^20-1
B=2^23-1
Example: RBP=6 (Rx BERT Pattern is 2047)
Command or Query.
Inserts 10E-3 BER in the form x, where:
x = 0 (Off) or 1 (On)
Example: BKE=1
Command only.
Example: BRM=
Note: This command takes no arguments.
Query only.
BERT monitor results in bit errors. If bit errors exceed 9999999, then BRE=9999999.
Query only
Returns the value of the average BER in the form a.b x 10-c. First 3 bytes are the value. Byte 5 is the exponent. Last byte
is the indicator of Sync Loss. A '*' in last byte means there was a loss of pattern synchronization since last restart, but
now is synchronized. A '_' (space) in last byte means pattern synchronization is achieved.
Returns 999999 if there's no sync in BERT monitor.
Example 1: BRR=2.8E7 (BER is 2.8 x 10 , and in sync)
-7
Example 2: BRR=3.4E5* (BER is 3.4 x 10 , and there was a Sync Loss)
-5
8–37
Revision 0
MN-CDM625A
Query
Response to
(Instruction & Response to Query
Command
Qualifier)
RBP= RBP? RBP=x
RBP? (see Description of
RBP# Arguments)
BKE= BKE? BKE=x
BKE? (see Description of
BKE# Arguments)
BRM= N/A N/A
N/A BRE? BRE=xxxxxxx
N/A BRR? BRR=a.bEcx