Digi XBee-PRO XSC RS-232, Product Manual, Page: 13 / 23

XBee ‐ PRO® XSC RS ‐ 232/RS ‐ 485/USB RF Modem ‐ Product Manual
© 2013 Digi International, Inc. 13
2.2.1. Pin Signals
Figure 2 ‐ 05. Pins used on the RS ‐ 485 (2 wire) Phoenix 6 Pin Connector
Table 2 ‐ 02. Pins used on the RS ‐ 485 (2 wire) Phoenix 6 Pin Connector
2.2.2. Wiring Diagram
Figure 2 ‐ 06. RF Modem in an RS ‐ 485 (2 ‐ wire) half duplex
Phoenix 6
Pin
RS-485 Name Description Implementation*
1 TX/ RX+ Negative Data Line Transmit serial data to and from the RF modem
2 TX/ RX- Positive Data Line Transmit serial to and from the RF modem
5 GND Ground Signal Ground
6 PWR Power Signal
Optional power input (protection circuitry to prevent
back flow from other power sources internal to the
board)
3, 4 Not Used