Mocomtech CDM-570 User Manual

Page 245

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CDM-570/570L Satellite Modem with Optional IP Module

Revision 4

Serial Remote Control

MN/CDM570L.IOM

13–11

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

Tx Clock
Source

TCK=

1 byte, value 0
thru 2

Command or Query.
Tx Clock Source, where:
0=Internal
1=Tx Terrestrial
2= Loop-Timed
Example: TCK=0 (selects Internal)

TCK=
TCK?
TCK*
TCK#

TCK?

TCK=x
(see description of
arguments)

Tx Data Invert

TDI=

1 byte, value 0
or 1

Command or Query.
Invert Transmit Data
0=Normal
1=Inverted
Example: TDI=1 (selects Inverted TX Data)

TDI=
TDI?
TDI*
TDI#

TDI? TDI=x

(see description of
arguments)

Tx Carrier
State

TXO=

1 byte, value 0
thru 4

Command or Query.
Tx Carrier State, where:
0=OFF due to front panel or remote control command
1=ON
2=RTI (receive/transmit inhibit)
3=OFF due to ext H/W Tx Carrier Off command (not a valid
argument when used as a command)
4=OFF due to BUC warm up delay (not a valid argument in a
command format.)
Example: TXO=1 (Tx Carrier ON)

TXO=
TXO?
TXO*
TXO#

TXO? TXO=x

(see description of
arguments)

Warm-up
Delay

WUD=

1 byte, value 0
or 1

Command or Query.
Warm-up Delay for internal frequency reference (OCXO)
0=Disabled (instant on – no delay for OCXO to reach temperature)
1=Enabled (unit waits until OCXO reaches correct temperature)
Example: WUD=1 (selects Warm-up Delay)

WUD=
WUD?
WUD*
WUD#

WUD? WUD=x

(see description of
arguments)

Countdown

CTD=

3 bytes

Command or Query.
As a query, returns the Warm-up Delay countdown, in seconds
remaining. Range is from 000 to 200 seconds.
As a command, only takes the argument 000. Used to truncate the
Warm-up delay period to zero, forcing the unit into ‘instant-on’
mode.
Example: CTD? – responds with CTD=067 – means the unit will
wait another 67 seconds before it will enter an operational state.
CTD=000 terminates the warm-up delay.

CTD=
CTD?
CTD*
CTD#

CTD? CTD=xxx

(see description of
arguments)

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