Becker AR620X - Connector and Pin Assignment (RCU6201)

Installation
Electrical Interface
DV14307.03 Issue 04 March 2016 Transceiver Family 620X 51
2.5.2. Connector and Pin Assignment (RCU6201)
Figure 2-16: Connector on rear plate of RCU6201
P1 Connector (System Interface)
The P1 connector (Figure 2-16) is a DSUB male connector with 15 pins and slide-in fastener.
Pin No.
Pin Name
Direction
Function
P1-1
TX0_422+
OUT
Primary Control & Service Interface
P1-2
TX0_422-
OUT
Primary Control & Service Interface
P1-3
RX1_422+
IN
Auxiliary Control Interface
P1-4
RX0_422+
IN
Primary Control & Service Interface
P1-5
RX0_422-
IN
Primary Control & Service Interface
P1-6
ILL_LO
IN
Illumination low input
P1-7
TX1_422-
OUT
Auxiliary Control Interface
P1-8
ILL_HI
IN
Illumination high
P1-9 GND -
Power supply Ground (return), shielding for
RS422, Ground for discrete lines
P1-10
RX1_422-
IN
Auxiliary Control Interface
P1-11
SUPP_IN
-
Power supply Hot (positive)
P1-12 /SRV_EN OUT
Service enable pin
ACTIVE state - closed contact to GND
P1-13 /EXT_ON IN
External Power ON input
ACTIVE state - closed contact to GND
P1-14
TX1_422+
OUT
Auxiliary Control Interface
P1-15 /EXCH_CH IN
External "Exchange" key
ACTIVE state - closed contact to GND
Panel Illumination
Pin No.
Pin Name
Direction
Function
P1-6
ILL_LO
IN
Illumination low input
P1-8
ILL_HI
IN
Illumination high input
The RCU6201 controller push-buttons and LCD display can be illuminated. The illumination can be
configured in the configuration setup via front panel or externally via pin P1-6/P1-8 For external
configuration connect pin P1-6 to system ground and pin P1-8 to dimming voltage bus.