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Comtech EF Data CDM-625 User Manual

Page 479

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CDM-625 Advanced Satellite Modem

Revision 15

Appendix D

MN-CDM625

D–15

Parameter

Type

Command

(Instruction

& Qualifier)

Number of

Arguments

Description of Arguments

Response to

Command

Query

(Instruction &

Qualifier)

Response to

Query

Tx Carrier

State

TXO=

1 byte, value

of 0 thru 9

Command or Query.

Tx Carrier State in the form x, where:

0=OFF due to front panel or remote control command

1=ON

2=RTI (receive/transmit inhibit), timeout = 10 seconds

3=OFF due to ext H/W Tx Carrier- Off control *

4=OFF due to BUC or High-Stability Ref warm-up *

5= Carrier controlled by STDMA Controller *

6=RTI (receive/transmit inhibit), timeout = 1 second

7=RTI (receive/transmit inhibit), timeout = 2 seconds

8=RTI (receive/transmit inhibit), timeout = 4 seconds

9=RTI (receive/transmit inhibit), timeout = 7 seconds

Note: arguments indicated with a * are status-only. They are not valid as a command, and are not

indicated in MGC? response.
Example: TXO=1 (Tx Carrier ON)

TXO=

TXO?

TXO*

TXO#

TXO?

TXO=x

(see Description of

Arguments)

Tx Alpha

TXA=

1 byte, value of

0 or 1

Command or Query.

Tx Filter Rolloff Factor in the form x, where:

x = 0 (0.35) or 1 (0.25)

Example: TXA=0 (Tx filter rolloff factor is 0.35)

TXA=

TXA?

TXA#

TXA?

TXA=x

(see Description of

Arguments)

Power Level

Mode

(was AUPC

Enable)

AUP=

1 byte, 0, 1, 2

or 3

Command or Query.

Power level mode in the form x, where:

0=MANUAL mode (AUPC disabled).

Normal power mode

1=AUPC enabled.

2=MANUAL-LOW.

Low power mode (-65 to -20dBm) - external attenuator activated.

3=AUPC-LOW.

AUPC enabled and external attenuator activated

Example: AUP=1
Notes:

1. EDMAC or D&I++, E1 D&I w/ccs or ESC++ framing must be selected for the AUPC feature to be

available.

2. External 20dB Attenuator is a hardware option.

AUP=

AUP?

AUP*

AUP#

AUP?

AUP=x

(see Description of

Arguments)