Schematic

RS-485 WIRELESS BRIDGE USER’S MANAUL REV. 02 7
Common Configurations and Use Cases
Radio Architectures
Point-to Point
Fig. 4 Typical RS-485 2-Wire Point-to-Point Configuration
The most basic architecture is a 2-wire point-to-point. In this mode, one Wireless Bridge Device
communicates with a second Wireless Bridge Device. If more than one pair of radios are within range of
each other, then certain addressing commands should be set within the on board Digi XBee radio to
isolate the individual pairs. The commands that control addressing are:
ID – Controls the network identification number.
CH- Controls the channel (frequency) of the device.
DH & DL – Sets the destination address. For point-to-point mode DH & DL on Radio A should be set to
the SH & SL values of Radio B and vice versa.
See the XBee S2C manual and X-CTU program for complete details.
XBee S2C Users Manual
https://www.digi.com/pdf/ds_xbee-s2c-802-15-4.pdf
X-CTU Program – Digi’s XBee Configuration and Test Utility
https://www.digi.com/products/xbee-rf-solutions/xctu-software/xctu