Comtech EF Data CDM-550T User Manual

Page 137

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CDM-550T Satellite Modem

Revision 3

Remote Control

MN/CDM550T.IOM

15–21

Parameter

Type

Command

(Instruction

Code and

qualifier)

Arguments for

Command or

Response to

Query

Description of arguments

(note that all arguments are ASCII numeric codes, that is,

ASCII codes between 48 and 57)

Response to Command

(target to controller)

Query

(Instruction

Code and

qualifier)

Response to

query

(target to

controller)

Redundancy
State

N/A

1 byte, value of
0 or 1

Query only.
Returns the redundancy state of the unit, where:
0 = Off Line (forced into standby by 1:N or 1:1 Switch) 1= On
Line (normal). All other codes invalid. Example: RED=1 (On
Line)

N/A RED?

RED=x

(see

description for
details of
arguments)

Equipment
ID

N/A 6

bytes,

numerical

Query only.
Unit returns the equipment identification, and the options fitted,
in the form aaaabc,
where:aaaa defines the Modem model number.

2550 is CDM-550T, no Reed-Solomon or Turbo
3550 is CDM-550T with Reed-Solomon Codec
4550 is CDM-550T with Turbo Codec fitted (Rate 3/4 QPSK

only - S/W Version less than 1.15)

5550 is CDM-550T with Turbo Codec fitted (Rate 3/4 QPSK,

plus Rate 21/44 and Rate 5/16 BPSK)

6550 is CiM-550T, no Turbo
7550 is CiM-550T, with Turbo

where: b defines the IF band, with 1 = 70MHz, 2 = 140MHz
c defines RX only, with 1 = RX/TX, 2 = RX only.
Example: EID=455011 (CDM-550T, Rate 3/4 Turbo Codec, 70
MHz band, RX/TX)

N/A EID?

EID=aaaabc
(see description
for details of
arguments)

Software Revision

N/A

4 bytes,
numerical

Query only.
Unit returns the value of internal software revision installed in
the unit, in the form x.xx
Example: SWR=1.03 (Ver 1.03)

N/A SWR?

SWR=x.xx

(see

description for
details of
arguments)

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