Comtech EF Data CDM-625A User Manual

Page 368

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CDM-625A Advanced Satellite Modem

MN-CDM625A

Serial-based Remote Product Management

Revision 3

8–56

Parameter

Command

(Instruction

& Qualifier)

Number of

Arguments

Description of Arguments

Response to

Command

Query

(Instruction &

Qualifier)

Response to Query

CnC-APC BER

Reset

ABR=

None

Command only.

This command takes no arguments. Forces restart of the CnC-APC BER measurement.

ABR=

N/A

N/A

CnC-APC Frame

Error Rate

N/A

4 bytes

Query only.

Returns the value of CnC-APC FER in the form xEc, where:

x=Value

Ec=Exponent

Example: <0/AFE? >0/AFE=8E2 (indicates CnC-APC FER @ 8 x 10

-2

)

Note: Returns 9999 if modem is not in CnC-APC mode or there is an APC frame sync error.

N/A

AFE?

AFE=xxxx

CnC-APC FER

Reset

AFR=

None

Command only.

This command takes no arguments. Forces restart of the CnC-APC FER measurement.

AFR=

N/A

N/A

CnC-APC

Activate/Suspend

APC=

1 byte, 0 thru 2

Command only.

Used to activate or suspend APC operation, in format APC=x, where:

0=no action

1=Activate APC

2=Suspend APC

APC=

N/A

N/A

CnC-APC state

N/A

2 bytes

Query only.

Returns the state of APC operation. Return value is in form xx, where:

00=APC is not active

01=No Solution

02=OK - ReBalance Done

03=OK(Partial) - CnC Ratio approaches limit

04=OK(Partial) - Local power approaches miminum value (-25 dBm for IF band)

05=OK(Partial) - Local power approaches minimum value (-40 dBm for L-Band)

06=OK(Partial) - Local power approaches maximum value (0 dBm)

07=OK(Partial) - Local power approaches limit set by max power level increase

08=OK(Partial) - Distant power approaches miminum value (-25 dBm for IF band)

09=OK(Partial) - Distant power approaches minimum value (-40 dBm for L-Band)

10=OK(Partial) - Distant power approaches maximum value (0 dBm)

11=OK(Partial) - Distant power approaches limit set by max power level increase

12=OK(Partial) - Incomplete

13=No APC Frame Sync

14=CnC Ratio Problem

15=Local EbNo too high

16=Distant EbNo too high

17=Distant End ReBalance failed

18=Distant End NoResponse

19=Fail-Calculate Mismatch

20=CnC Ratio too high

21=Please run again

22=APC is active

23=Local margin too low

24=Distant margin too low

25=Rx Data Rate<64kbps

26=Tx Data Rate<64kbps

27=Local RSL too low

28=Distant RSL too low

N/A

APS?

APS=xx

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