Digi XBee-PRO XM-M92-2P Series, Руководство по эксплуатации продукта, Страница: 15 / 23

XBee
‐
PRO® 900HP RS
‐
232/RS
‐
485/USB RF Modem
‐
Product Manual
© 2013 Digi International Inc. 15
2 .3 .1 . RS- 4 8 5 Pin Sign a ls
Figure 2
‐
07. Pins used on the RS
‐
485 (4
‐
wire) Phoenix 6 Pin Connector
Table 2
‐
03. RS
‐
485 (4
‐
wire) 6
‐
pin Connector Pin Assignments and Implementation
2 .3 .2 . RS- 4 8 5 W ir in g D ia gr a m s
Figure 2
‐
08. RF Modem in an RS
‐
485 (4
‐
wire) environment
Phoenix 6 Pin RS-485 Name Description Implementation
1 TX+ Transmit Positive Serial data sent from RF modem
2 TX- Transmit Negative Data Line Serial data received by the RF modem
5 RX+ Receive Positive Data Line Serial data received the RF modem
4 RX- Receive Negative Data Line Serial data received by 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)