AMX AXlink Bus Controllers AXB-232++ - Manual (Page 11)

Installation and Wiring
7 AXB-232++ RS-232/422/485 Interface
Using RS-232
When communicating via RS-232, connect the wiring as shown in FIG. 6.
Using Hardware Handshaking
When the controlled device requires hardware handshaking, connect the wiring as shown in FIG. 7.
Using RS-422
When communicating via RS-422, connect the wiring as shown in FIG. 8.
Using RS-485
When communicating via RS-485, connect the wiring as shown in FIG. 9.
FIG. 6 RS-232 wiring
FIG. 7 Hardware handshaking wiring
FIG. 8 RS-422 wiring
FIG. 9 RS-485 wiring
RX
TX
GND
AXB-
232++ Device
TX -
RX +
RX -
TX +
TX
RX
GND
+12V
RTS
CTS
RTS
CTS
1
2
3
4
AXB-232++ Device
TX -
RX +
RX -
AXB-
232++ Device
TX +
RX-
TX+
TX-
RX+
TX
RX
GND
+12V
GND
Device
TX -
RX +
RX -
AXB-
232++
TX +
TX
RX
GND
+12V