ANTAIRA MSC-104B Manual de usuario

Thank you for purchasing this Multi-port R-S422/485 serial PCI Card. It is

a high performance serial port adapter that is specially designed to

connect RS-422(4-wire) or RS-485(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

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 and optical isolation protection models

are available

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

MSC-104B / MSC-104B-SI

Installation Guide

1. Introduction

2. Connector and Jumper Layout

Termination Resister

Enable/Disable Jumpers

JP3: S1

JP4: S2

JP5: S3

JP6: S4

J1: S1~S4

External

Connector

for Octopus

Cable

JP2: UART

Clock Selector

JP1: RS422/485

Mode Selector

JP1: 7 Spare Jumpers (no

function, keep the jumpers only

PCI Multi-port Serial Card

RS-485 User: Since the factory jumper settings are initially set at

2-wire RS-485 mode. There is no need to change any jumper

settings from the default settings.

RS-422 User: Change the mode jumper away from the”485”

position. Keep the other settings unchanged.

1. Mode Jumpers:

Mode Settings for all S1~S4 Ports (JP1):

Jumper Name

Jumper Positions

Mode and Termination Resistor

Setting

422/485 422

4-wire RS-422 mode

485

(Default)

2-wire RS-485 mode

S1L/S1H

S1L

(Default) Reserved for Future Use. Please do

NOT change it.

NO ECHO/ECHO

NO ECHO

(Default)

No echo data

ECHO

Transmitting data will be echoed

back

S2L/S2H

S2L

(Default) Reserved for Future Use. Please do

NOT change it.

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

RS-485 bus were in a collision. If the echoed data was not equal to the

transmitted data, then the bus was in a collision.

422

S1L

NO ECHO

S2L

3. Jumper Settings

485

S1H

NO ECHO

S2H

PCI Multi-port Serial Card

2. S1~S4 Termination Resistor Enable/Disable Jumpers (JP3~6):

Terminator Settings (JP3 for S1, JP4 for S2, JP5 for S3, JP6 for S4):

Jumper Name

Jumper Settings

Termination Resistor Setting

S1 TERM

(S2 TERM)

(S3 TERM)

(S4 TERM)

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. JP2: UART Input Clock Speed Selector

RS-485 TXD Termination Resistor

Enable/Disable

UART Input Clock Speed = 14.7456MHZ,

the maximum baud rate is 926.1Kbps.

(Default)

UART Input Clock Speed = 1.8432MHZ,

the maximum baud rate is 115.2Kbps.

PCI Multi-port Serial Card

4. S1~S4 Connector Pin Assignments

The RS-422/485 signals are connected by a DB37 octopus

cable to 4 DB9-male connectors, the DB9-male pin

assignment as follows:

Note:

1. The drivers for Windows are shipped in the following folder

(E:\IO\OXFORD\RS422_485) of the driver CD. The files are in ZIP

format (e.g. V6515_RS422_485.ZIP). Please copy the file to your hard

drive C: or what folder you want, unzip it before proceeding with your

installations. We assumed you copy the file to your hard drive C: root

directory, and 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.

4. Driver Installation for Win2000, XP and Vista

1 5

9 Pins Signal

1 TXD- (DATA-)(A)

2 TXD+ (DATA+)(B)

3 RXD+

4 RXD-

5 GND

6 RTS-

7 RTS+

8 CTS+

9 CTS-

PCI Multi-port Serial Card

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 are chosen

and installed correctly.

The Zip file is shipped in this

folder

Drivers for different OS are

unzipped to different folders

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