Mocomtech CDM-QX User Manual

Page 256

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CDM-Qx/QxL Multi-Channel Satellite Modem with DoubleTalk™ Carrier-in-Carrier® Revision

7

Appendix C

MN/CDMQX.IOM

C–38

Parameter

Type

Command

(Instruction

Code and

Qualifier)

Arguments for

Command or

Response to

Query

Description of Arguments

Response to

Command

Query

(Instruction

Code and

Qualifier)

Response to Query

BERT Config
Sync Loss
Threshold
(applies to Rx
module)

BCT=

1 byte, value of
0 to 3

Command or Query.

Sets BERT config sync loss threshold in the form x, where:

0 = 256 bit errors counted in less than 1000 bits o data
1 = low (100 bit errors in less than 1000 bits of data)
2 = med (250 bit errors in less than 1000 bits of data)
3 = high (20,000 bit errors in less than 100,000 bits of data)

BCT=
BCT?
BCT#
BCT$
BCT^
BCT@

BCT? BCT=x

(see Description of
Arguments)

BERT 10E-3
Error Insert
(applies to Tx
module)

BKE=

1 byte, value of
0, 1

Command or Query.

Inserts 10E-3 BER in the form x, where:

0 = Off
1 = On

Example: BKE=1

BKE=
BKE?
BKE#
BKE$
BKE^
BKE@

BKE? BKE=x

(see Description of
Arguments)

BERT Result
in bit errors
(applies to Rx
module)

N/A 7

bytes,

numeric

Query only.

BERT monitor results in bit errors.
If bit errors exceed 9999999, then BRE=9999999.

N/A BRE?

BRE=xxxxxxx
(see Description of
Arguments)

BERT Restart
Monitor
(applies to Rx
module)

BRM=

1 byte, value
of 1 only

Command only.

Restarts or resets the BERT monitor.

Example: BRM=1

BRM=
BRM?
BRM#
BRM$
BRM^
BRM@

N/A N/A

BERT Result
in average
BER

N/A

5 bytes

Query only.

Returns the value of the average BER in the form a.b x 10

-c

, where:

First 3 bytes are the value.

Last 2 bytes are the exponent.

Returns 99999 if there’s no sync in BERT monitor.

Returns 99.99 if sync loss has occurred.

Example: BER=4.8E3 (BER = 4.8 x 10

-3

)

N/A BRR?

BRR=a.bEc
(see Description of
Arguments)

Built-in BERT
state (applies
to module-by-
module basis)

BST=

1 byte, value of
0 and 1

Command or Query.

Sets state of built-in tester (BST) in the form x, where:

0=Off
1=On

BST=
BST?
BST*
BST#
BST$
BST^

BST? BST=x

(see Description of
Arguments)

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