User's Manual

prox.pad plus Communications

The prox.pad plus is equipped with RS-485 communications with a data rate of 19200

bits/sec. This allows you to connect the unit to a personal computer (PC) either via the com-

puter’s COM (serial) port or over a computer network to manage the system using Hub Man-

ager

Professional (v 5 or higher) software. To connect the prox.pad plus unit to a computer

COM port (which is RS-232), an RS-232 to RS-485 converter is required. To connect the

prox.pad plus unit via a computer network, the IEI Gateway device is required. The maximum

distance from the RS-485 device is 4000 feet using the specified cable. The illustrations

below show examples o f both connection types. Please see the instructions for your RS-232

toRS-485converterortheinstructionsfortheIEIGatewayfordetailsaboutthosedevices.

Also, refer to the EIA RS-485 specifications for further details.

RS-232 RS-485

RS-232 to RS-485

Converter

To PC

COM port

2-Brown (Data A)

3-White (Data B)

4-Green (Data GND)

NOTE: The Terminator wire

may not be required.

Figure 11 Connecting the prox.pad plus to a PC COM Port

RS-485

To Computer

Network

2-Brown (Data A)

3-White (Data B)

4-Green (Data GND)

IEI Gateway

Figure 12 Connecting the prox.pad plus to a Network

Prox.pad plus Access System Installer Guide

16 Part No. 6045679, Rev. 1.0, D5