Comtech EF Data SMS-7000, Installation And Operation Manual

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SMS-7000 Modem Protection Switch M-2000-Multiplexer Utilization
Rev. 3 B–3
Table B-1. SMS-7000/M-2000 50-Pin to 37-Pin Interface Cable Pinouts
50-Pin Signal Name 37-Pin
1 Shield 1
37 CH2 SDA 4
38 CH2 SDB 22
39 CH2 RDA 6
40 CH2 RDB 24
21 CH3 SDA 5
22 CH3 SDB 23
23 CH3 RDA 8
24 CH3 RDB 26
4 CH4 SDA 3
5 CH4 SDB 21
6 CH4 RDA 15
7 CH4 RDB 33
B.2 Operation
On the switch M&C Configuration menu, enable multiplexers by selecting YES on the
Multiplexer submenu for each modem with a multiplexer. Enter a unique address for
each multiplexer. Load all modems and set Operation mode to Auto. Refer to Table 5-1
for fault information. Refer to the M-2000 Multiplexer Installation and Operation
Manual for further operation information.
Note: To operate with the switch, the MUX must be configured with both transmit and
receive faults enabled (ON).