AMX NI-2100 ICSNet Port Connections and Wiring, RS-232/422/485 Device Port Wiring Specifications

Connections and Wiring

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-2100 (Ports 1-3)

NI-4100/NI-3100 (Ports 1-7)

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)

ICSNet Port: Connections and Wiring

The NI Controller must be equipped with the available ICSNet connectors for this functionality to be active. The following tables show the signal and pinouts/pairing information:

ICSNet RJ-45 Signals

Pin	Signal-Master	Signal-Device
1	TX +	RX +
2	TX -	RX -
3	N/A	N/A
4	GND	GND
5	N/A	N/A
6	N/A	N/A
7	RX +	TX +
8	RX -	TX -

RJ-45 Pinout Information (EIA/TIA 568 B)

Pin	Wire Color	Polarity	Function
1	Orange/White	+	Transmit
2	Orange	-	Transmit
3	Green/White	-	Mic
4	Blue	-	Ground
5	White/Blue	+	12 VDC
6	Green	+	Mic
7	White/Brown	+	Receive
8	Brown	-	Receive

TIA 568B

NI-2100, NI-3100, NI-4100 Hardware Reference Guide 25