beautypg.com

B&B Electronics 232OPDRI - Quick Start Guide User Manual

Product overview, Loopback test connect your rs-232 devices, Check leds

background image

LED
Indicators

Loopback Test

Connect Your RS-232 Devices

Front View

LED
Indicators

Serial
Ports

• Use a DB9 Female to DB9 Male cable to connect

a PC to the DCE port. (Recommended)

• Connect a DB9 Female to DB9 Female cable

to the DTE port. On the DTE Port, jumper pin

2 to 3 and pin 7 to 8 on the female end

of the cable. This loops TD to RD and CTS to RTS.

• Using HyperTerminal or similar program, connect

to the appropriate COM port. (Remember to set

the baud rate to 9600.)

• Turn off HyperTerminal local echo.

• Type some characters in HyperTerminal. The

same characters should appear on your screen.

The LED indictors will light up to show you that

data is being transmitted.

Check LEDs

Product Overview

10 to 48 VDC
1.5 W Max

A DTE device is “Data Terminal Equipment.” This

includes computers, PLCs, and most devices that are

not used to extend communications.

(Think “COMPUTER” for DTE.)

A DCE device is “Data Communications

Equipment.” This includes modems and other

devices that extend communications, like RS-422,

RS-485, fiber optic converters or radio modems.

(Think “MODEM” for DCE.)

When connecting a DTE device to a DCE device,

use a straight through connection. When connecting

a DTE device to a DTE device, or a DCE device to a

DCE device, use a crossover (null) connection.

Pin 2 LED

Red, Flashes when RD present on DTE port

Pin 3 LED

Red, Flashes when TD present on DCE port

Power LED

Red, ON when power applied

Pin 7 LED

Red, Flashes when RTS raised on DCE port

Pin 8 LED

Red, Flashes when CTS raised on DTE port

1

2

3