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SMS-7000 Modem Protection Switch
Table B-1. SMS-7000/M-2000 50-Pin to 37-Pin Interface Cable Pinouts
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).
Rev. 3
50-Pin
Signal Name
1
Shield
37
CH2 SDA
38
CH2 SDB
39
CH2 RDA
40
CH2 RDB
21
CH3 SDA
22
CH3 SDB
23
CH3 RDA
24
CH3 RDB
4
CH4 SDA
5
CH4 SDB
6
CH4 RDA
7
CH4 RDB
M-2000-Multiplexer Utilization
37-Pin
1
4
22
6
24
5
23
8
26
3
21
15
33
B–3
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