Table 3-6. 37-Pin Connector Pinouts (Optional) - Comtech EF Data SNM-1001L Installation And Operation Manual

SNM-1001L Satellite Modem
Connector Pinouts
There are jumpers on the PL/6031 EIA-422 interface. Place the jumpers on the center pin
and the pin towards the Master Clock (MC) to allow an external clock input on pins 16
and 34.
If desired, place the jumpers on the TR side to allow an external clock input on pins 12
and 30. Place the jumpers on the TR side for Demand Assigned Multiple Access
(DAMA) applications.

Table 3-6. 37-Pin Connector Pinouts (Optional)

Pin # EIA-422/MIL-188-144
1, 19 Shield
3 MF
4 SD-A
5 ST-A
6 RD-A
7 RS-A
8 RT-A
9 CS-A
11 DM-A
13 RR-A
16 MC-A
17 TT-A
20, 37 SIGGND
21 DF
22 SD+B
23 ST+B
24 RD+B
25 RS+B
26 RT+B
27 CS+B
29 DM+B
31 RR+B
34 MC+B
35 TT+B
3–8
Revision 1
MN/SNM1001L.IOM