Comtech EF Data SDM-300A - Manual (Page 328)

SDM-300A Sattellite Modem Revision 6
Flex Mux MN/SDM300A.IOM
15–8
15.3 Flex MUX 50-Pin Connector Definitions
Table 5-4. Flex Mux 50-Pin Connector Definition
Pin # G.703 ADPCM RS-232 RS-485 RS-422 General Use
1 GND GND GND GND GND GND
34 Drop Data Input (-) Ch.1 - - - - -
18 Drop Data Input (+) Ch.1 - - - - -
2 GND GND GND GND GND GND
35 - - - - - *EXT CLK IN (-)
± 2.5V
19 - - - - - *EXT CLK IN (+)
± 2.5V
3 - - - - - -
36 Insert Data Input (-)
Ch.1 - - - - -
20 Insert Data Input (+)
Ch.1 - - - - -
4 - - - - - -
37 Drop Dat Output (-) Ch.1 - - - -
21 Not Used Not Used Not Used Not Used Not Used Not Used
5 - - TX Data Ch 4 TX Data (-) Ch.4 - -
38 Drop Dat Output (-) Ch.1 - - - - -
22 Not Used Not Used Not Used Not Used Not Used Not Used
6 - - RX Data Ch.4 RX Data (-) Ch.4 - -
39 Insert Data Input (-)
Ch.1 - - - - -
23 Not Used Not Used - - - -
7 - - - RX Data (-) Ch.4 - -
40 Insert Data Input (+)
Ch.1 - - - - -
24 Not Used Not Used Not Used Not Used Not Used Not Used
8 - - TX Data Ch.3 - TX Data(-) Ch.3 -
41 - - Clear to Send Ch.4 - - -
25 - - TX Timing Ch.4 - - -
9 - - - - TX Data (+) Ch.3 -
42 - - RX Data CH.3 - RX Data (-) Ch.3 -
26 - - RX Timing Ch.4 - - -
10 - - - - RX Data (+) Ch.3 -
43 - - TX Timing CH.3 - TX Timing (-) Ch.3 -
27 - - - - TX Timing (+) Ch.3 -
11 - - RX Timing CH.3 - RX Timing (-) Ch.3 -
44 - - - - RX Timing (+) Ch.3 -
28 - - Clear to Send Ch.3 - Clear to Send (-) Ch.3 -
12 Not Used Not Used Not Used Not Used Not Used Not Used
45 - Audio In (-) Ch.2 - - - -
29 - Audio In (+) Ch.2 - - - -
13 Not Used Not Used Not Used Not Used Not Used Not Used
46 - Audio Out (-) Ch.2 - - - -
30 - Audio In (+) Ch.2 - - - -
14 Not Used Not Used Not Used Not Used Not Used Not Used
47 Not Used Not Used Not Used Not Used Not Used Not Used
31 Not Used Not Used Not Used Not Used Not Used Not Used
15 - - - - Clear to Send (+) Ch.3 -
48 Not Used Not Used Not Used Not Used Not Used Not Used
32 Not Used Not Used Not Used Not Used Not Used Not Used
16 Not Used Not Used Not Used Not Used Not Used Not Used
49 - - - - - ***MOD Fault-Open
Collector
33 - - - - - ***DEMOD Fault-Open
Collector
17 Not Used Not Used Not Used Not Used Not Used Not Used
50 Not Used Not Used Not Used Not Used Not Used Not Used