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Comtech EF Data SLM-5650A User Manual

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SLM-5650A Satellite Modem

Revision 8

Appendix C

MN-SLM5650A

C–23

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

Carrier-in-

Carrier (CnC)

Ratio Monitor

N/A

4 bytes

Query only.
When CnC is enabled and locked, the ratio between the interferer and the desired

signal power is readable in dB.
Example 1: CRM=+02 (interferer > desired)

Example 2: CRM=LT10 (less than -10 dB)

Example 3: CRM=GT10 (greater than +10 dB)

Example 4: CRM=99.9 (not locked or CnC not enabled)

N/A

CRM?

CRM=xxxx

(see Description

of Arguments)

Carrier-in-

Carrier (CnC)

Min/Max Search

Delay

CSD=

6 bytes

Command or Query.
CnC min/max delay value in milliseconds, from 0 to 300 ms in the form xxxyyy,

where:

xxx=min delay

yyy=max delay
Example: CSD=010300

CSD=

CSD?

CSD*

CSD#

CSD?

CSD=xxxyyy

(see Description

of Arguments)

RTC Date

DAY=

6 bytes

Command or Query.
A date in the form ddmmyy, where:

dd = day of the month (01 to 31),

mm = month (01 to 12)

yy = year (00 to 99)

Example: DAY=240457 (April 24, 2057)

DAY=

DAY?

DAY*

DAY#

DAY?

DAY=ddmmyy

(see Description

of Arguments)

Eb/No Alarm

Point

EBA=

4 bytes

Command or Query.
Eb/No alarm point in dB, with a range between 0.1 and 20 dB.
Resolution = 0.1 dB.
Example: EBA=12.3

EBA=

EBA?

EBA*

EBA#

EBA?

EBA=xx.x

(see Description

of Arguments)