7
Remote Control – Parallel/GPIO DB25F Connection Table 2.
Command input pins require a momentary closure to common. Status connections open collector
outputs which require a 5 VDC pull up which is provided on pin 12.
SCA GEN 1 INPUT A SEL COMMAND
+5 VDC
CMD/STAT COM
SCA GEN 2 INPUT A SEL COMMAND
SCA GEN 2 OFF STATUS
CMD/STAT COM
SCA GEN 1 OFF STATUS
SCA GEN 2 ON STATUS
SCA GEN 1 B INPUT SELECTED STATUS
SCA GEN 1 ON COMMAND
CMD/STAT COM
SCA GEN 1 A INPUT SELECTED STATUS
SCA GEN 1 INPUT B SEL COMMAND
SCA GEN 2 B INPUT SELECTED STATUS
SCA GEN 1 ON STATUS
CMD/STAT COM
CMD/STAT COM
CMD/STAT COM
SCA GEN 2 A INPUT SELECTED STATUS
CMD/STAT COM
OPT SHIELD
SCA GEN 2 OFF COMMAND
SCA GEN 2 B INPUT SEL COMMAND
SCA GEN 1 OFF COMMAND
SCA GEN 2 ON COMMAND
CUST SUPPLIED
DB-25M
1
14
2
15
3
4
5
6
7
8
9
10
11
12
13
16
17
18
19
20
21
22
23
24
25