User`s guide

XBee RS-485 Adapter
15
Pinouts
The connector for the adapter is a 6-position wire terminal block. The figure
shows Pin 1 of the connector when the adapter is oriented with the
mounting tabs, facing upwards (the underside of the adapter).
The adapter is switch-selectable between RS-422 half duplex, RS-422 full
duplex, and RS-485 modes (see DIP switches, below). The function for
several pins varies between RS-422 and RS-485 modes.
Using the orientation in the above figure, from right to left, the pinouts are:
The connector accommodates wire gauges from 16AWG to 30AWG.
To insert or remove wires, insert a screwdriver blade in the slot directly
below the hole where the wire inserts. Press down on the spring to open up
the hole and insert or remove the wire.
Pin
Function in
RS-422 mode
Function in
RS-485 mode
1 TxD+ (RS422) TxD+ and RxD+ (RS485)
2 TxD- (RS422) TxD- and RxD- (RS485)
3 RxD+ (RS422) Not used.
4 RxD- (RS422) Not used.
5 Ground Ground
6 +12VDC 50mA max
switched power out
+12VDC 50mA max
switched power out