SMS-758 Modem Protection Switch
Remote Control Operation
MN/SMS758 Rev. 3
A–21
Character “ac”: Missing parameters fault status character 10.
Bit 6 = 1 always.
Bit 5 = No downlink specified for prime modem #7 fault.
Bit 4 = No downlink specified for prime modem #8 fault.
Bit 3 = Reserved.
Bit 2 = Reserved.
Bit 1 = Reserved.
Bit 0 = Reserved.
Character “ad”: Modem communications faults character 1.
Bit 6 = 1 always.
Bit 5 = Prime modem #1 communications fault.
Bit 4 = Prime modem #2 communications fault.
Bit 3 = Prime modem #3 communications fault.
Bit 2 = Prime modem #4 communications fault.
Bit 1 = Prime modem #5 communications fault.
Bit 0 = Prime modem #6 communications fault.
Character “ae”: Modem communications faults character 2.
Bit 6 = 1 always.
Bit 5 = Prime modem #7 communications fault.
Bit 4 = Prime modem #8 communications fault.
Bit 3 = Backup modem #1 communications fault.
Bit 2 = Backup modem #2 communications fault.
Bit 1 = Reserved.
Bit 0 = Reserved.
A.3.5.8 Downlink Transponder Option
This command configures the SMS-758 for cabling options that support four or seven
downlink transponders. When this option is set to “4”, two backup modems may be
specified with four downlinks available to each backup modem. If this option is set to
“7”, one backup modem (backup #1) may be specified with seven downlinks available to
the backup modem.
Command:
<add/DTO_n”cr”
Response:
>add/DTO_n”cr””lf”]
Status Only:
<add/DTO_”cr”
Response:
>add/DTO_n”cr””lf”]
Where: n = 4 or 7 (maximum number of downlinks).
