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Thank you for purchasing this 8-port RS422/485  serial PCI Card.  It  is a 
high performance serial port adapter  that  is specially designed to 
connect RS422(4-wire) or RS485(2-wire) serial devices to any computer 
with PCI slots. It supports all enhanced features with its 16C950 UARTs 
that defined by serial port specifications. 

Features: 

 

Fully PCI Bus Specifications 2.2 compliant 

 

Supports 8 RS422/485 over one single PCI slot 

 

16C950 UART, built-in 128-byte on-chip FIFO 

 

Up to 921.6 Kbps baud rate, over 700 Kbps data throughput 

 

Precise RS485 ATTA

TM

  (Auto Transceiver Turn Around) feature to 

disable the line driver by hardware 

 

Optional 15KV ESD surge protection model is available 

 

Supports Windows 98SE, 2000 and XP, 2003, Vista 

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 

 

MSC-108B 

Installation Guide 

1. Introduction 

2. Connector and Jumper Layout 

Term. Resistor 

Ena/Disable 

Jumpers 

S8 

S1   

J3 (DB62F): 

S1~S8 

External 

Connector 

for Octopus 

Cable 

JP1: RS422/485 

Mode Selector 

JP2, JP3: 8 Spare Jumpers (no 

function, keep the jumpers only) 

J1: Factory 

Use Only 

Summary of Contents for MSC-108B

Page 1: ...85 over one single PCI slot 16C950 UART built in 128 byte on chip FIFO Up to 921 6 Kbps baud rate over 700 Kbps data throughput Precise RS485 ATTATM Auto Transceiver Turn Around feature to disable the line driver by hardware Optional 15KV ESD surge protection model is available Supports Windows 98SE 2000 and XP 2003 Vista MSC 108B Installation Guide 1 Introduction 2 Connector and Jumper Layout Ter...

Page 2: ...Please do NOT change it ECHO NO ECHO ECHO Transmitting data will be echoed back NO ECHO Default No echo data S1H S1L S1L Default Reserved for Future Use Please do NOT change it 422 485 485 Default 2 wire RS485 mode 422 4 wire RS422 mode Please note that if the mode were set at 422 mode the ECHO settings will take no effect The Echo mode is useful for the application program to detect if the RS485 ...

Page 3: ...tting S1 TERM S2 TERM S3 TERM S4 TERM S5 TERM S6 TERM S7 TERM S8 TERM IN TXD DATA and DATA Termination Resistor Enabled OUT Default TXD DATA and DATA Termination Resistor Disabled Note IN Jumper Installed OUT Jumper Not Installed 3 S1 S4 Connector Pin Assignments The RS422 485 signals are connected by a DB62 octopus cable to 8 DB9 male connectors the DB9 male pin assignment as follows RS485 TXD Te...

Page 4: ...nd the unzipped folder is V6515_RS422_485 Please do NOT use the drivers in its parent directory E IO OXFORD since they are used for RS232 instead of RS422 485 2 PLEASE DO NOT LET WINDOWS AUTO SEARCH THE DRIVERS AMONG THE FOLDERS it will cause problems because the INF files will be conflict in this case Instead please browse to the correct location folder manually to make sure the correct drivers a...

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