Corporation NetLinx Integrated Controllers Hardware Reference Guide

Connections and Wiring

NI-2100, NI-3100, NI-4100 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-2100 (Ports 1-3)

 NI-4100/NI-3100 (Ports 1-7)

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:

RS-232/422/485 Device Port Wiring Specifications

Pin Signal Function RS-232 RS-422 RS-485

1 RX- Receive data XX (strap to pin 9)

2 RXD Receive data X

3 TXD Transmit data X

4 TX+ Transmit data XX (strap to pin 6)

5 GND Signal ground XX

6 RX+ Receive data XX (strap to pin 4)

7 RTS Request to send X

8 CTS Clear to send X

9 TX- Transmit data XX (strap to pin 1)

ICSNet RJ-45 Signals

Pin Signal-Master Signal-Device

1 TX + RX +

2 TX - RX -

3N/A N/A

4GND GND

5N/A N/A

6N/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