Becker Avionics
Installation
Connector Pin Assignments
DV17551.03 Issue 03 June 2020
RCU6512
29
2.5 Connector Pin Assignments
Connector P1
•
Type: 15pin D Sub male connector with slide-in fastener.
Figure 7: RCU6512 - Connector Layout
Connector P1
P1
Pin
Pin Name
I/O Function
1
OUT Primary Control & Service Interface
2
TX0_422-
OUT Primary Control & Service Interface
3
Reserved
-
factory only
4
IN
Primary Control & Service Interface
5
RX0_422-
IN
Primary Control & Service Interface
6
ILL_LO
IN
Illumination low
7
Reserved
-
factory only
8
ILL_HI
IN
Illumination high
9
GND
-
Power supply Ground, shielding for RS422,
Ground for discrete lines
10
Reserved
-
factory only
11
SUPP_IN
-
Power supply (positive)
12
/6512
IN
RT6512 support only
13
/EXT_ON
IN/OUT External Power ON input
Active state - closed contact to GND
14
Reserved
-
factory only
15
/EXCH_CH
IN
External "Exchange" key
Active state - closed contact to GND
