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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–35

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

AUPC Local

Carrier Loss

Action

LCL=

1 byte, values

of 0 thru 2

Command or Query.
Tx Output Power level setting when local carrier is lost, where:

0=Hold current output power level

1=Goto Nominal output power level

2=Goto Maximum output power level
Example: LCL=0

LCL=

LCL?

LCL*

LCL#

LCL?

LCL=x

(see Description

of Arguments)

AUPC Local

Enable

LPC=

1 byte, value of

0 or 1

Command or Query.
Local AUPC Control, where:

0=Off

1=On

Note: When Local AUPC Control is enabled, modulator output power is

automatically controlled by the modem. Power output commands via TPL are not

allowed during this mode; although, queries will function as normal.

Example: LPC=1 (Turn on Local AUPC Control)

LPC=

LPC?

LPC*

LPC#

LPC?

LPC=x

(see Description

of Arguments)

Number of

Unread AUPC

Log Entries

N/A

3 bytes

Query only.
Unit returns the Number of AUPC Log Entries, which remain Unread, in the form

xxx.
Note: This means unread over the remote control.
Example: NUS=126

N/A

NUA?

NUA=xxx

(see Description

of Arguments)

Retrieve next 5

unread AUPC

Log Entries

N/A

155 bytes

Query only.
Unit returns the oldest 5 AUPC Log Entries which have not yet been read over the

remote control.

Reply format: {CR}Sub-body{CR}Sub-body{CR}Sub-body{CR} Sub-body{CR}Sub-

body, where Sub-body= AA.ABB.BCCC.CEEE.Eddmmyyhhmmss:

AA.A = Minimum Eb/No during sample period.

BB.B = Average Eb/No during sample period.

CCC.C = Max Output Power during sample period.

EEE.E = Average Output Power during sample period.

If there are less than 5 events to be retrieved, the remaining positions are padded

with zeros. If there are no new events, the response is RNA*.

N/A

RNA?

RNA=

{CR}AA.ABB.BCC

C.CEEE.Eddmmy

yhhmmss{CR}AA.

ABB.BCCC.CEEE

.Eddmmyyhhmms

s{CR}AA.ABB.BC

CC.CEEE.Eddm

myyhhmmss{CR}

AA.ABB.BCCC.C

EEE.Eddmmyyhh

mmss{CR}AA.AB

B.BCCC.CEEE.E

ddmmyyhhmmss

(see Description

of Arguments)