
© LINDY ELECTRONICS LIMITED & LINDY-ELEKTRONIK GMBH - FIRST EDITION (Aug 2010)
RS-422/485 PCI Card
User Manual English
www.lindy.com

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1.0 Introduction
Thank you for purchasing the LINDY RS-422/485 Controller. This PCI serial
card enables your computer to support serial RS-422/485 ports with 256Kbyte
FIFO.
2.0 Packing List
Please check if the following items are present and in good condition upon
opening the packaging. Contact your vendor if any items are damaged or
missing.
Hardware:
Serial Communication Board: LINDY PCI Host Controller × 1
Cables:
2 Port, No.51215 : DB25 Male to 2 Port DB9
Driver CD
This User Manual
3.0 Features
Communication speed Maximum 921.6K BPS
BUS interface PCI Local Bus Spec 2.2
Circuit interface RS422/RS485
Communication controller 16C1052
Connector DB9
I/O address Automatic set-up
IRQ number Automatic set-up
Circuit Protection ESD Protector attached
Supporting operating system Windows 98/2000/NT/XP, Linux

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4.0 Mode Change
Select between point-to-point mode and multi drop mode during the installation
of the device driver.
The default is point-to-point mode.
Port 1 –
JP3 – When this port set us as “Host” or “last devices” please set up jump as
pin1, and 2. Other set up as pin 3 and 4.
JP4 – pin 1 and pin 2 – RS-422 p2p, RS-422 multi drop, and RS-485 4 wire
pin 3 and pin 4 – RS-485 2 wire
JP1 – pin 1 and pin 2 – RS-422 p2p
pin 3 and pin 4 – RS-422 multi drop, RS-485 4 wire, and RS-485 2 wire
Port 2 –
JP5 – when this port set us as “Host” or “last devices” please set up jump as
pin 1, and 2. other set up as pin 3 and 4
JP6 – pin 1 and pin 2 – RS-422 p2p, RS-422 multi drop, and RS-485 4 wire
pin 3 and pin 4 – RS-485 2 wire
JP2 – pin 1 and pin 2 – RS-422 p2p
pin 3 and pin 4 – RS-422 multi drop, RS-485 4 wire, and RS-485 2 wire

This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions:
(1) this device may not cause harmful interference,
and (2) this device must accept any interference
received, including interference that may cause
undesired operations.