B&B Electronics USOPTL4 Quick Start Manual

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B&B Electronics USOPTL4 Quick start manual - Page 1
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B&B Electronics USOPTL4 Quick start manual - Page 2
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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
1
TD always enabled
(TD 422)
TD only enabled during
data transmission (TD 485)
2
RD always enabled
(ECHO ON)
RD disabled during data
transmission (ECHO OFF)
3
4-wire mode (4-Wire) 2-wire mode (2-Wire)
4
4-wire mode (4-Wire) 2-wire mode (2-Wire)
1
2
3
4
5