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REMOTE CONTROL OPERATION
This appendix describes the remote control operation of the SDM-9000.
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B.1 General
Remote controls and status information are transferred via an RS-485 (optional RS-232)
serial communications link.
Commands and data are transferred on the remote control communications link as
US ASCII-encoded character strings.
The remote communications link is operated in a half-duplex mode.
Communications on the remote link are initiated by a remote controller or terminal. The
modem never transmits data on the link unless it is commanded to do so.
Rev. 4
Firmware number:
FW/4100-1F
Software version:
6.1.1
B
Appendix B.
B–1
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