Appendix F. Asynchronous Overhead Channel Unit - Comtech EF Data SDM-650B Installation And Operation Manual

ASYNCHRONOUS OVERHEAD
This appendix provides information on operating the modem from the front panel with
the asynchronous overhead channel unit option installed. The following version is
described:
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Notes:
1. The same version of firmware (listed above) is used for the asynchronous
2. The ASYNC breakout panel is required with the asynchronous overhead channel
3. For remote control operation information on the modem with the asynchronous
This appendix includes:
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Rev. 5
Firmware number: FW/0713-34L
Software version: 4.12A
overhead channel unit, whether or not the AUPC option is installed. However, if
the modem hardware does not support AUPC, the AUPC-related menus and
options (e.g., SELECT REMOTE; SELECT CONFIG, AUPC) will not be
displayed in the front panel menus.
unit. For information on the ASYNC breakout panel, refer to the ASYNC
Breakout Panel Installation and Operation Manual.
overhead channel unit installed, refer to Appendix B.
Functional description of ASYNC overhead channel unit
ASYNC interface connector pinouts
ASYNC interface specifications
Functional description of ASYNC overhead channel unit with AUPC
Front panel operation information
Appendix F.
CHANNEL UNIT
F–1