Terminal - Factory Use Only; Mil-188-114A (J2) Eia-530 Port Rs-422 - Comtech EF Data Radyne DMD1050 Installation And Operation Manual

DMD1050 Satellite Modem Board

4.4.5 TERMINAL - Factory use only

4.4.6 MIL-188-114A (J2) EIA-530 Port RS-422

See Appendix E for the manufacturer part number for this connector.
Table 4-3. MIL-188-114A Port (RS-422) 26-Pin Dual Row Male Header (J2)
Pin No.
1 Ground
2 Send Data B (+)
3 Send Data A (-)
4 Send Timing A (-)
5 Receive Data A (-)
6 Receive Data B (+)
7 Request To Send A (-)
8 Receive Timing A (-)
9 Clear To Send A (-)
10 Modulator Fault - Open Collector
11 Data Mode A (-)
12 Request To Send B (+)
13 Ground
14 Data Terminal Ready A (-)
15 Receiver Ready A (-)
16 Demodulator Fault
17 Receive Timing B (+)
18 Data Mode B (+)
19 Receiver Ready B (+)
20 Data Terminal Ready B (+)
21 Terminal Timing B (+)
22 Terminal Timing A (-)
23 Send Timing B (+)
24 Antenna AGC
25 Clear T Send B (+)
26 No Connect
MN-DMD1050
Revision 9
Signal Name Signal Direction
--­
SD-B
SD-A
ST-A
RD-A
RD-B
RS-A
RT-A
CS-A
MF
DM-A
RS-B
GND
TR-A
RR-A
DF
RT-B
DM-B
RR-B
TR-B
TT-B
TT-A
ST-B
--­
CS-B
--­
Rear Panel Interface
--­
Input
Input
Output
Output
Output
Input
Output
Output
Output
Output
Input
--­
Input
Output
Output
Output
Output
Output
Input
Input
Input
Output
Output
Output
--­
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