Comtech EF Data SDM-300A - Manual (Page 322)

SDM-300A Sattellite Modem Revision 6
Flex Mux MN/SDM300A.IOM
15–2
User control and status monitoring of the unit via the front panel or the EIA-232 or
EIA-485 remote port (J6) located on the back of the modem.
Note: The Flex Mux Channel 1, D&I, will operate with other modems set-up for D&I as
long as Channels 2, 3, and 4 are Off.
Figure 15-1. Flex Mux (AS/6450)