13 transmit data fault, 14 receive data fault, 15 drop data format – Comtech EF Data SDM-309B User Manual
Page 189: 16 insert data format, 17 drop channels assignment

Remote Control
SDM-309B Satellite Modem
B-B–12
MN/U-SDM309B Rev. #
4.3.13 Transmit Data Fault
Command:
<add/TDF_xxxx”cr”
Response:
>add/TDF_xxxx”cr””lf”]
xxxx = NONE, DATA, or AIS (transmit data fault flagged on transmit data loss, AIS from
terrestrial interface or none flagged).
Status Only:
<add/TDF_”cr”
Response:
>add/TDF_xxxx”cr””lf”]
4.3.14 Receive Data Fault
Command:
<add/RDF_xxxx”cr”
Response:
>add/RDF_xxxx”cr””lf”]
xxxx = NONE, DATA, or AIS (receive data fault flagged on satellite receive data loss, AIS
from satellite or none flagged).
Status Only:
<add/RDF_”cr”
Response:
>add/RDF_xxxx”cr””lf”]
4.3.15 Drop Data Format
Command:
<add/DDF_xxxxxx”cr”
Response:
>add/DDF_xxxxxx”cr””lf”]
xxxxx = T1, T1ESF, T1IBS, E1CCS, E1CAS, E1IBS, or E131TS.
Status Only:
<add/DDF_”cr”
Response:
>add/DDF_xxxxxx”cr””lf”]
4.3.16 Insert Data Format
Command:
<add/IDF_xxxxxx”cr”
Response:
>add/IDF_xxxxxx”cr””lf”]
xxxxx = T1, T1ESF, T1IBS, E1CCS, E1CAS, E1IBS, or E131TS.
Status Only:
<add/IDF_”cr”
Response:
>add/IDF_xxxxxx”cr””lf”]
4.3.17 Drop Channels Assignment
Command:
<add/DCA_dd;cc”cr”
Response:
>add/DCA_dd;cc”cr””lf”]
dd = 1 to N, (over the satellite drop channel)
where N = (Modulator Data Rate) divided by (64Kbps).
cc = 1 to 24 (terrestrial channel number for T1 data formats).