Program port connections and wiring, Rs-232/422/485 device port wiring specifications – AMX NetLinx Integrated Controllers NI-3000 User Manual
Page 27

Connections and Wiring
21
NetLinx Integrated Controllers
Program Port Connections and Wiring
The Integrated Controllers are equipped with one Program port located on the rear of the unit. Use
an RS232 programming cable to connect the Program port to your PC's COM port, this connection
provides communication with the NetLinx Integrated Controller. Then you can download NetLinx
programs to this on-board Master using the NetLinx Studio 2.2 software program. Refer to the
NetLinx Studio instruction manual for programming instructions.
The following table shows the rear panel Program Port connector (male), pinouts, and signals.
RS-232/422/485 Device Port Wiring Specifications
FIG. 10 shows the connector pinouts for the rear RS-232/RS-422/RS-485 (DB9) Device Ports.
These ports support most standard RS-232 communication protocols for data transmission. This
figure gives a visual representation of the wiring specifications for the RS-232/422/485 Device
connectors. Refer to the rear of the unit for more detailed connector pinout information.
The rear DB9 Device Port connectors support RS-232 communication protocols for PC data
transmission. 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-4000/NI-3000 (Ports 1-7) and NI-2000 (Ports 1-3).
Program Port, Pinouts, and Signals
Program Port Connector
Pin
Signal
2
RX
3
TX
5
GND
7
RTS
8
CTS
FIG. 10 RS-232/422/485 DB9 (male/female) connector pinouts for the rear Device Ports
5
4
3
2
1
9
8
7
6
Male
5
4
3
2
1
9
8
7
6
Male
DB9 Serial Port pinouts (male connector)
Pin 2: RX signal
Pin 3: TX signal
Pin 5: GND
Pin 7: RTS
Pin 8: CTS
RS-232
Pin 1: RX -
Pin 4: TX +
Pin 5: GND
Pin 6: RX +
Pin 9: TX -
RS-422
Pin 1: A (strap to 9)
Pin 4: B (strap to 6)
Pin 5: GND
Pin 6: B (strap to 4)
Pin 9: A (strap to 1)
RS-485