Becker BD406 - Page 49

Becker Avionics
Installation and Operation
Electrical Interface
DV16401.03 Issue 04 May 2021 BD406/PBD406 49
J1
Pin
Type I/O Name Function Recommended
cable type
Remarks
4
Discrete
I
IF1RX-
IF1 interface
negative bus of the
receiver.
Not used for BD406
without control.
AWG26
IF1 is RS422
compliant interface
for service
purposes.
5
Ground
--
IF1RX_GND
IF1 interface ground
of the receiver.
Not used for BD406
without control.
AWG26
6
Discrete
I
IF1RX+
IF1 interface
positive bus of the
receiver.
Not used for BD406
without control.
AWG26
7
Discrete
O
IF1TX-
IF1 interface
negative bus of the
transmitter.
Not used for BD406
without control.
AWG26
8
Ground
--
IF1TX_GND
IF1 interface ground
of the transmitter.
Not used for BD406
without control.
AWG26
9
Discrete
O
IF1TX+
IF1 interface
positive bus of the
transmitter.
Not used for BD406
without control.
AWG26
10
Ground
--
IF2RX_GND
IF2 interface ground
of the receiver.
Not used for BD406
without control.
AWG26
IF2 is RS232
compliant interface
for internal/external
GPS data
transmission.
11
Discrete
I
IF2RX
IF2 interface bus of
the receiver.
Not used for BD406
without control.
AWG26
12
Ground
--
IF2TX_GND
IF2 interface ground
of the transmitter.
Not used for BD406
without control.
AWG26
13
Discrete
O
IF2TX
IF2 interface bus of
the transmitter.
Not used for BD406
without control.
AWG26
14
Ground
--
IF3RX_GND
IF3 interface ground
of the receiver.
Not used for BD406
without control.
AWG26
IF3 receiver is
RS232 compliant
interface for future
use.
15
Discrete
I
IF3RX
IF3 interface bus of
the receiver.
Not used for BD406
without control.
AWG26
16
Ground
--
IF3TX_GND
IF3 interface ground
of the transmitter.
AWG26
IF3 transmitter is
RS232 compliant
interface for
continuous
transmission of the
status of the targets.
17
Discrete
O
IF3TX
IF3 interface bus of
the transmitter.
AWG26