Control/status b port pinout, Appendices ~ appendix b: pinouts – ClearOne comm PSR1212 User Manual
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Control/Status B port pinout
Pin Definable*
Type
Default
Description
1
No
C
Preset select bit
2
No
S
Preset select status for Pin 1
3
No
C
Preset select bit
4
No
S
Preset select status for Pin 3
5
No
C
Preset select bit
6
No
S
Preset select status for Pin 5
7
No
C
Preset select bit
8
No
S
Preset select status for Pin 7
9
No
C
Preset select bit
10
No
S
Preset select status for Pin 9
11
No
C
Preset select bit
12
No
S
Preset select status for Pin 11
13
No
C
Preset select bit
14
N
S
Preset select status for Pin 13
15
No
C
Preset select bit
16
No
S
Preset select status for Pin 15
17
No
C
Preset select bit
18
No
S
Preset select status for Pin 17
19
No
C
Preset select bit
20
No
S
Preset select status for Pin 19
21 No
connection
22 No
connection
23 No
-
+5VDC,
300mA
24 No
-
+5VDC,
300mA
25 No
-
Ground
Control/Status A and B: DB-25 female
Inputs A and B: active low (pull to ground)
Outputs A and B: Open collector, 40V max, 40mA each
Appendices
~ Appendix B: Pinouts