Comtech EF Data SDM-650B Installation And Operation Manual page 301

SDM-650B Satellite Modem
G.2 Connector Pinouts
The Asynchronous dejittered MIL-STD-188-114 interface is provided on a 37-pin female
D connector accessible from the rear panel of the modem.
Screw locks are provided for mechanical security of the mating connector.
SIGNAL GROUND
SEND DATA
SEND TIMING
RECEIVE DATA
REQUEST TO SEND
RECEIVER TIMING
CLEAR TO SEND
DATA MODE
RECEIVER READY
TERMINAL TIMING
STATION REF TIMING
MODULATOR FAULT
DEMODULATOR FAULT
Rev. 5
Signal Function
SG
SD-A
SD-B
ST-A
ST-B
RD-A
RD-B
RS-A
RS-B
RT-A
RT-B
CS-A
CS-B
DM-A
DM-B
RR-A
RR-B
TT-A
TT-B
MC-A
MC-B
MF
DF
Name Pin #
1, 19, 20, 37
4
22
5
23
6
24
7
25
8
26
9
27
11
29
13
31
17
35
16
34
3
21
Trojan Interface
G–5