AMX NetLinx Integrated Controllers NI-700/900 - Manual (Page 23)

Connections and Wiring
19 NI-700 & NI-900 Hardware Reference Guide
The table below provides information about the connector pins, signal types, and signal functions.
This table’s wiring specifications are applicable to the rear RS-232/422/485 Device Port connectors on
the: NI-700 (Ports 1 & 2) and NI-900 (Port 1).
IRX-RX Port: Connection and Wiring
The NI-700 and NI-900 units both have a single rear 4-pin IR receiver port (IR RX).
This port can be used to connect one or more (8 maximum in parallel) optional IRX-SM+ or
IRX-DM+ Decora mount IR receivers to the Integrated Controller as shown in FIG. 6.
RS-232/422/485 Device Port Wiring Specifications
Pin Signal Function RS-232 RS-422 RS-485
1 RX- Receive data X X (strap to pin 9)
2 RXD Receive data X
3 TXD Transmit data X
4 TX+ Transmit data X X (strap to pin 6)
5 GND Signal ground X X
6 RX+ Receive data X X (strap to pin 4)
7 RTS Request to send X
8 CTS Clear to send X
9 TX- Transmit data X X (strap to pin 1)
The IR RX port functions using AMX IR codes (38 KHz and 455 KHz) and works
ONLY with AMX IR Receivers such as the IRX-DM+ and IRX-SM+.
FIG. 6 IR RX port sample connections (AXlink to NetLinx connectors shown)
PWR
GND
IN
AUX
OUT
AUX OUT
+12 VDC
GND
IRX-SM+ #2
IRX-SM+ #1
To the Integrated
Top view
Top view
Top view
OUT
AUX OUT
+12 VDC
GND
Controller’s rear
IR RX connector