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PORT A, DB25F
Pin #
Label
1
EXT PWR IN
2
NC
3
NC
4
NC
5
NC
6
NC
7
NC
8
NC
9
NC
10
PORT A7
11
PORT A8
12
PORT A9
13
PORT A10
14
NC
15
NC
16
NC
17
NC
18
EXT PWR GND
19
CONTROL GND
20
PORT A1
21
PORT A2
22
PORT A3
23
PORT A4
24
PORT A5
25
PORT A6
SHELL
GND
* When using an external power supply, connect the positive terminal to pin 1, the negative terminal to pin 18
and move the Port A jumpers to EXT/SRC. Never exceed +24V and do not reverse polarity!
microHAM © 2016 All rights reserved
Description
External power input for PORT A, max. +24V*
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
Not connected
PORT A7 output
PORT A8 output
PORT A9 output
PORT A10 output
Not connected
Not connected
Not connected
Not connected
Power ground. Connect return of external PORT A common power to this
pin.*
Power ground. Connect control cable shield to this pin.
PORT A1 output
PORT A2 output
PORT A3 output
PORT A4 output
PORT A5 output
PORT A6 output
Connected to the system ground and case.
130
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