Comtech EF Data CDM-625A User Manual

Page 341

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CDM-625A Advanced Satellite Modem

MN-CDM625A

Serial-based Remote Product Management

Revision 3

8–29

Parameter

Command

(Instruction

& Qualifier)

Length of

Arguments

Description of Arguments

Response to

Command

Query

(Instruction &

Qualifier)

Response to Query

One Time

EDMAC Slave

Overwrite

OTO=

1 byte, 0 or 1

Command or Query.

Sets or returns One Time Overwrite to EDMAC Slave modem in the form x, where:

0=Off

1=On

Example 1: OTO=0 disables One Time Overwrite – EDMAC Slave modem may only remotely accept EDMAC command

from EDMAC Master modem.

Example 2: OTO=1 enables One Time Overwrite – EDMAC Slave modem may locally accept ONE remote control

command.

OTO=

OTO?

OTO*

OTO#

OTO?

OTO=x

(see Description of

Arguments)

External

Frequency

Reference

EFR=

Exception –

600L Emulation:

MRC=

1 byte, 0 thru 6

Command or Query.

Sets or returns the External Frequency Reference in the form x, where:

0=Internal 10MHz (DEFAULT)

1=External 1 MHz

2=External 2 MHz

3=External 5 MHz

4=External 10 MHz

5=spare

6=Internal 10MHz plus output (this means that the Reference is available on the “Ext Ref” rear connector (small

rear-panel LED indicates when ON))

EFR=

EFR?

EFR*

EFR#

Exception –

600L Emulation:

MRC=

MRC?

MRC*

MRC#

EFR?

Exception –

600L Emulation:

MRC=?

EFR=x

(see Description of

Arguments)

Exception –

600L Emulation:

MRC=x

Adjustment for

Internal 10MHz

High- stability

Reference

ADJ=

4 bytes, numeric Command or Query.

Sets or returns fine adjustment of the Internal 10MHz Reference on the High-Stability Frequency Reference module in the

form sddd, where:

s=sign (+ or –)

ddd=Value, 0-999.

ADJ=

ADJ?

ADJ*

ADJ#

ADJ?

ADJ=sddd

(see Description of

Arguments)

Warm-up Delay WRM=

1 byte, 0 or 1

Command or Query. (Hi-Stability Frequency Reference parameter)

Sets or returns the High-Stability Frequency Reference warm-up delay parameter in the form x, where:

0=Delay off (instant on)

1=Warm-up Delay on

WRM=

WRM?

WRM*

WRM#

WRM?

WRM=x

(see Description of

Arguments)

Countdown of

Warm-up Delay

remaining

CTD=

3 bytes, numeric Command or Query. (Hi-Stability Frequency Reference parameter)

Sets or returns the High-Stability Frequency Reference countdown parameter in the form xxx, where:

xxx=countdown of the number of seconds remaining of the Warm-up time.

Note: As a command, the only permitted format is CTD=000, which abandons the delay.

CTD=

CTD?

CTD*

CTD#

CTD?

CTD=xxx

(see Description of

Arguments)

Unit Test Mode TST=

1 byte, 0 thru 6

Command or Query.

Unit Test Mode, where:

0=Normal Mode (no test)

1=Tx CW

2=Tx Alternating 1,0 Pattern

3=IF Loopback

4=RF Loopback

5=Digital Loopback

6=I/O Loopback

Example: <0/TST=3 (IF Loopback)

TST=

TST?

TST*

TST#

TST?

TST=x

(see Description of

Arguments)

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