Comtech EF Data CDM-570 - Manual (Page 370)

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Appendix D MN/CDM570L.IOM
D–20
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
Countdown CTD= 3 bytes Command or Query.
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.
As a query, returns the Warm-up Delay countdown, in seconds remaining. Range
is from 000 to 200 seconds.
CTD=000 terminates the warm-up delay.
Example: CTD? responds with CTD=067, meaning the unit will wait another 67
seconds before it will enter an operational state. CTD=
CTD?
CTD*
CTD# CTD? CTD=xxx
(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 16 dB.
Resolution=0.1 dB
Example: EBA=12.3 EBA=
EBA?
EBA*
EBA# EBA? EBA=xx.x
(see Description of
Arguments)
EDMAC Framing
Mode EFM= 1 byte,
value of 0, 1 or 2 Command or Query.
EDMAC mode, where:
0 = EDMAC OFF (Framing is on, AUPC active)
1 = EDMAC MASTER
2 = EDMAC SLAVE (Query Only)
Example: EFM=1 (EDMAC Enabled as Master) EFM=
EFM?
EFM*
EFM# EFM? EFM=x
(see Description of
Arguments)
External
Reference
Frequency ERF= 1 byte,
value of 0 thru 5
Command or Query.
External Reference Frequency, where:
0=Internal
1=External 1 MHz
2=External 2 MHz
3=External 5 MHz
4=External 10 MHz
5=External 20 MHz
Example: ERF=0 (External reference not used - uses internal) ERF=
ERF?
ERF *
ERF #
ERF? ERF =x
(see Description of
Arguments)