28
This appendix is devoted to the RS-232, RS-530, and power interfaces. The
MIL 188/114 and MIL 188C interfaces are based on the RS-530 interface
standard. Figures B-1 and B-2 illustrate these interfaces and label the pins
on each.
Figure B-1. The RS-232 Interface (Female).
14 SECONDARY TRANSMITTED DATA
15 DCE TRANSMITTER SIGNAL ELEMENT TIMING
16 SECONDARY RECEIVED DATA
17 RECEIVER ELEMENT TIMING
18
19 SECONDARY REQUEST TO SEND
20 DATA TERMINAL READY
21 SIGNAL QUALITY DETECTOR
22 RING INDICATOR
23 DATA SIGNAL RATE SELECTOR
24 DTE TRANSMITTER SIGNAL ELEMENT TIMING
25
1
2
3
4
5
6
7
8
9
10
11
12
13
PROTECTIVE GROUND
TRANSMITTED DATA
RECEIVED DATA
REQUEST TO SEND
CLEAR TO SEND
DATA SET READY
SIGNAL GROUND/COMMON RETURN
RECEIVED LINE SIGNAL DETECTOR
+VOLTAGE
-VOLTAGE
SECONDARY RECEIVED LINE SIGNAL INDICATOR
SECONDARY CLEAR TO SEND
PIN
NUMBER
PIN
NUMBER
SIGNAL
DESTINATION
SIGNAL
DESTINATION
RS-232 Interface (Female)
Appendix B: The Interfaces