Comtech EF Data CDM-625A User Manual

Page 329

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CDM-625A Advanced Satellite Modem

MN-CDM625A

Serial-based Remote Product Management

Revision 3

8–17

Parameter

Type

Command

(Instruction

& Qualifier)

Number of

Arguments

Description of Arguments

Response to

Command

Query

(Instruction &

Qualifier)

Response to Query

Drop Type

DTY=

1 byte, 0 thru 3

Command or Query. (DROP/D&I++/QDI parameter)

Sets or returns Drop Type in the form x, where:

0=T1-D4

1=T1-ESF

2=E1-CCS

3=E1-CAS

DTY=

DTY?

DTY*

DTY#

DTY?

DTY=x

(see Description of

Arguments)

Tx Drop

Timeslot

DTS=

3 bytes

Command or Query. (DROP parameter)

(Note different format between command and query.)

Sets or returns Tx Drop timeslot – Command format is in the form xxy, where:

xx=Channel 01 through 24

y=timeslot: 0-9, A=10, B=11, C=12, D=13,…V=31

DTS=

DTS?

DTS*

DTS#

DTS?

DTS=yyyyyyyyyyyyyyyy

yyyyyyyy

indicating all 24 Drop

timeslots values

associated with the 24

Tx Satellite channels.

Tx Ternary

Code

TTC=

1 byte, 0 thru 3

Command or Query. (G.703 parameter)

Sets or returns Tx Ternary Code in the form x, where:

0=AMI

1=B8ZS

2=B6ZS

3=HDB3

Example: <0/ TTC=1 (selects B8ZS)

TTC=

TTC?

TTC*

TTC#

TTC?

TTC=x

(see Description of

Arguments)

Transmit

Backward

Alarms Enable

TBA=

4 bytes, each 0

thru 2

Command or Query. (IDR parameter)

Sets or returns Tx Backward Alarm Enable in the form xxxx, where:

0=Disable

1=Enable Internal (S/W)

2=Enable External (H/W)

Example: <0/TBA=0120

TBA=

TBA?

TBA*

TBA#

TBA?

TBA=xxxx

Position indicates

backward alarm

numbers: 1234

Transmit ESC

Type

TET=

1 byte, 0 or 1

Command or Query. (IDR parameter)

Sets or returns IDR ESC Type in the form x, where:

0=64k data channel

1=2 Audio channels

TET=

TET?

TET*

TET#

TET?

TET=x

(see Description of

Arguments)

TX LO

Frequency

TLO=

6 bytes

Command or Query.

Sets or returns Tx LO frequency information in the form xxxxxs, where:

xxxxx=LO frequency, in MHz, from 3000 thru 65000, or 00000 (OFF)

s=sign for the MIX (+ or –)

Note: Terminal Frequency=LO ± TFQ

Example: <0/TLO=12000+ (BUC LO is 12GHz, low-side mix)

TLO=

TLO?

TLO*

TLO#

TLO?

TLO=xxxxxs

(see Description of

Arguments)

Tx Satellite

(Terminal)

Frequency

N/A

10 bytes

Query only.

Returns terminal (aka satellite) Tx Frequency, which is the frequency transmitted to the satellite, the form xxxxx.xxxx.

Resolution=100 Hz

Note: Returns 00000.0000 if LO is zero

Example: <0/TTF? >0/TTF=11650.2249

N/A

TTF?

TTF=xxxxx.xxxx

(see Description of

Arguments)

Tx Information

Rate

N/A

9 bytes, numeric Query only.

Allows remote access to the Aggregate Tx Information Rate in the form ddddd.ddd

TIR?

TIR=

TIR*

TIR#

TIR?

TIR=ddddd.ddd

(see Description of

Arguments)

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