B&B Electronics USOPTL4 User manual

Set DIP Switches

Install Drivers Loopback Test

Use the included CD to install the converter’s

drivers.

Warning: To prevent installation errors, do not

plug in the hardware until you have already

installed the drivers

After connecting the device you can check

Device Manager to learn which Com port

number was assigned.

Front View

LED

Indicators

Back View

Serial

Connector

USB Port

OFF=left ON=right

Wire the Converter

Product Overview

Check LEDs

DIP Switches

2-Wire RS-485

• All DIP Switches = ON

4-Wire RS-422/485

• RS-422 = All DIP Switches off

• RS-485 = DIP 1 ON, DIP 2, 3 and 4 OFF

• Set DIP switches 1, 3, 4 to ON.

• Set DIP switch 2 to OFF.

• Use HyperTerminal or another terminal

program to conﬁrm passage of data

through converter.

When everything is installed and connected

the LEDs will blink to let you know that data

trafﬁc is passing through the converter

GND

RS-485USOPTL4 or USPTL4

NEG (-)

POS (+)

TDA (-)

TDB (+)

RDA (-)

RDB (+)

GND

2 Wire Set-up

RS-422/485USOPTL4 or USPTL4

TDA (-)

TDB (+)

RDA (-)

RDB (+)

GND

4 Wire Set-up

RDA (-)

RDB (+)

TDA (-)

TDB (+)

GND

DIP Switch Position

Switch OFF ON

1TD always enabled

(TD 422)

TD only enabled during

data transmission (TD 485)

2RD always enabled

(ECHO ON)

RD disabled during data

transmission (ECHO OFF)

34-wire mode (4-Wire) 2-wire mode (2-Wire)

44-wire mode (4-Wire) 2-wire mode (2-Wire)

Troubleshooting

What baud rates can be used?

Baud rates up to 921 Kbps.

What operating systems

are supported?

Windows 2000, XP, Vista, and Windows 7

Which USB cables can I use?

A one meter (3ft) cable is included. Other lengths can

be purchased separately. The maximum range for

USB is 15 ft. We sell USB extenders if you need to go

further than 15 ft.

Can I get another terminal block

for the USOPTL4?

Yes. The part number is TBKT2.

How can I test the USOPTL4 to make

sure it is working correctly?

Do a loopback test. You can ﬁnd detailed

instructions at:

http://www.bb-elec.com/bb-elec/literature/

Ulinx_1-2Port_4209qsg.pdf

A quick way to test is to set the dipswitches to 485,

Echo ON, 2 wire, 2 wire. Then use HyperTerminal

to do the loopback. Visit our technical library for

instructions and screen shots:

http://www.bb-elec.com/technical_library.asp

1-888-948-2248 | Europe: +353 91 792444

www.bb-elec.com

Recommended Accessories

4-Port Powered USB Hub

USB Extender

UHR304

GUCE51

707 Dayton Road | PO Box 1040 | Ottawa, IL 61350

Phone: 815-433-5100 | Fax: 815-433-5109

www.bb-elec.com | E-mail: [email protected]

http://www.bb-elec.com/USOPTL4

Fast and easy on the web:

www.bb-elec.com

USOPTL4 or USPTL4

One Meter USB Cable

CD ROM with Drivers

First Things First...

Before you begin, be sure you have

the following:

USB to RS-422/485 Converters

USOPTL4 & USPTL4

Isolated Non-Isolated

http://www.bb-elec.com/USOPTL4/

ACC

http://www.bb-elec.com/USOPTL4/

ACC

Fast, Easy Answers

• First, check step 5.

• Then use your smart

phone to access complete

documentation on our

web site. Simply scan

the code to the right.

This manual suits for next models

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