Expert Electronics MB1 - Ext Ctrl

29
MB1 User Manual
© 2016 Expert Electronics
CONNECTIONS
2.6.4 EXT CTRL
Out #
Output name
Description
Note
1
X1
Programmable key with open collector
Output
2
X4
Programmable key with open collector
Output
3
X7
Programmable key with open collector
Output
4
RB
RS-485 (-) Line
Input/
Output
5
I2
Connection of buttoned detector. Connect to ground. In
reserve.
Input
6
CP
Contact of protected diode
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7
X3
Programmable key with open collector
Output
8
X6
Programmable key with open collector
Output
9
RA
RS-485 (+) Line
Input/
Output
10
I1
Connection of buttoned detector. Connect to ground. In
reserve.
Input
11
X2
Programmable key with open collector
Output
12
X5
Programmable key with open collector
Output
13
X8(РТТ)
Programmable key with open collector for control of
external PAs PTT
Output
14
+12V
DC 12V supply, current up to 500 mA
There is a 1A fuse integrated in the line
Output
15
GND
Ground
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