StarTech.com CB1S485 User manual

Manual Revision: 04/17/2013

For the most up-to-date information, please visit: www.startech.com

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FR: Guide de l'utilisateur - fr.startech.com

ES: Guía del usuario - es.startech.com

IT: Guida per l'uso - it.startech.com

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CB1S485

1 Port CardBus (PCMCIA) RS422/485

Serial Laptop Adapter

*actual product may vary from photos

Instruction Manual

FCC Compliance Statement

This equipment has been tested and found to comply with the limits for a Class B digital

device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable

protection against harmful interference in a residential installation. This equipment generates,

uses and can radiate radio frequency energy and, if not installed and used in accordance with

the instructions, may cause harmful interference to radio communications. However, there

is no guarantee that interference will not occur in a particular installation. If this equipment

does cause harmful interference to radio or television reception, which can be determined by

turning the equipment o and on, the user is encouraged to try to correct the interference by

one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Connect the equipment into an outlet on a circuit dierent from that to which the receiver

is connected.

• Consult the dealer or an experienced radio/TV technician for help.

Use of Trademarks, Registered Trademarks, and other Protected Names and Symbols

This manual may make reference to trademarks, registered trademarks, and other

protected names and/or symbols of third-party companies not related in any way to

StarTech.com. Where they occur these references are for illustrative purposes only and do not

represent an endorsement of a product or service by StarTech.com, or an endorsement of the

product(s) to which this manual applies by the third-party company in question. Regardless

of any direct acknowledgement elsewhere in the body of this document, StarTech.com hereby

acknowledges that all trademarks, registered trademarks, service marks, and other protected

names and/or symbols contained in this manual and related documents are the property of

their respective holders.

Instruction Manual

Table of Contents

Introduction ............................................................................................1

Packaging Contents ................................................................................................................................. 1

System Requirements .............................................................................................................................. 1

Hardware Guide .....................................................................................2

Installation ..............................................................................................4

Driver Installation ...................................................................................................................................... 4

RS-485 2-wire mode ................................................................................................................................. 5

Baud Rate ..................................................................................................................................................... 5

Application Wiring .................................................................................................................................... 6

RS-422 (Transmitter buer is always enabled) ............................................................................... 7

Specications ..........................................................................................8

Technical Support ..................................................................................9

Warranty Information ............................................................................9

Instruction Manual

Introduction

Packaging Contents

• 1x Serial PCMCIA Card

• 1x Breakout Cable

• 1x Driver CD

• 1x Instruction Manual

System Requirements

• A host computer with an available CardBus Slot. Please note that CB1S485 can be

used on a desktop computer, using a PCMCIA to PCI Adapter Card.

• Windows® 7 (32/64bit)/ Vista(32/64)/ XP(32/64), 2000, ME, 98SE, CE 5.0 Windows®

Server 2008 R2/ 2003(32/64) Linux Kernel 2.4.x/ 2.6.x

Instruction Manual

Hardware Guide

UART Input Clock Speed Selector

RS-422/485 Mode Selector

Switch

Name

Switch

Positions Clock Speed

HSPD

(Up)

UART Input Clock

Speed =

1.8432MHZ,

Maximum baud

rate is115.2Kbps

(Down)

(Default)

UART Input Clock

Speed =

14.7456MHZ,

Maximum baud

rate is

926.1Kbps

(default).

Setting requires

adjustment from

Windows Device

Manager

Switch

Name

Jumper

Positions

Mode and

Termination

Resistor Setting

422

(default)

2-wire RS-485

mode (Note)

Down 4-wire RS-422

mode

NECH

Transmitting

data will be

echoed back

Down

(default) No echo data

NLP

RTS will be

connected to

CTS

Down

(default)

RTS and CTS

operate normally

HSPD

Switch

422/485

Mode Switch

No Echo/

Echo Switch

No Loop/

Loop Switch

NOTE:

1. Please note that if the mode were set at

“422” mode, the other settings (NECH

and NLP settings) will take no eect.

2. Echo mode is used to detect data

collisions. If the echoed data was not

equal to the transmitted data, then data

collisions are occurring.

Instruction Manual

Terminator Settings

DB9 Connector Pinout

Terminator Enable/

Disable Switches

Switch

Name

Jumper

Positions

Mode and

Termination

Resistor Setting

TXD

(default)

2-wire RS-485

mode (Note)

Down 4-wire RS-422

mode

RXD

Transmitting data

will be echoed

back

Down

(default) No echo data

RTS

(default)

RTS will be

connected to CTS

Down RTS and CTS

operate normally

CTS

Up CTS Terminator

Disabled

Down

(default)

CTS Terminator

Enabled

9 Pins Signal

1 TXD- (DATA-)

2 TXD+ (DATA+)

3 RXD+

4 RXD-

5 GND

6 RTS-

7 RTS+

8 CTS+

9 CTS-

1 5

Instruction Manual

Installation

WARNING! It is advisable to remove all possible static discharge potential from any

objects that the ExpressCard may come in contact with before installation. This can be

accomplished by touching a grounded metal object, prior to insertion

1. With the notebook PC powered on and fully booted, insert the PCMCIA Card into an

available CardBus slot on the host computer.

2. Connect the 15-pin connector of the cable to your PC card, then connect the DB9

connector to your serial device.

3. The Add New Hardware Wizard will launch and will guide you through the driver

installation process.

Driver Installation

Windows 98, ME, 2000, XP, 2003

The necessary driver les are in ZIP format (e.g. V6515_RS422_485.ZIP) and are located

in E:\IO\OXFORD\RS422_485 (where E: denotes the CD/DVD-ROM drive. Please copy

the le to your local hard drive (presumably C:) and unzip it before proceeding with

installation.

1. When the Found New Hardware Wizard appears, click Next to continue.

2. Select Install from a list or specic location (advanced) and click Next.

3. Select Include this location in the search and click Browse to specify the

driver’s location.

4. Click Next to continue, then click on Finish to complete installation.

Windows NT

Because Windows NT does not support plug and play, you will need to locate the

Install_Serial.exe le (in the E:\IO\OXFORD\WinNT4 folder, where E designates the

location of the CD/DVD-ROM drive), and double click on the executable le. Follow the

prompts to complete installation.

Instruction Manual

RS-485 2-wire mode

To enable CB1S485 to operate in RS-485 2-wire mode:

1. Right-click on My Computer. If you are using Windows 98/ME, select Properties. If

you are using Windows 2000/XP, select Manage.

2. Choose Device Manager and double-click on Ports.

3. You will notice the added ports, listed as a PCI Communications Port. Double-click

on the COM Port you wish to congure, and select Settings.

Windows 2000, XP

1. In the PCI Communications Port Properties window, click on the Settings tab.

2. Under Hardware cong, select RS422/485, and change the RS485 buer enable

value to Active Low, using the dropdown box provided. Click OK to save and exit.

Windows 98, ME

1. In the PCI Communications Port Properties window, click on the Settings tab.

2. Change the DTR function to RS485 Buf_En Active Low, using the dropdown box

provided.

Baud Rate

By default, CB1S485 is set to a baud rate of 115.2Kbps (maximum). To increase the

baud rate to 921.6Kbps maximum:

Windows 2000, XP

1. As mentioned on page 2, move the HSPD switch to the down position.

Instruction Manual

2. Right-click on My Computer and select Manage.

3. Choose Device Manager and double-click on Ports.

4. You will notice the added port, listed as a PCI Communications Port. Double-click

on the COM Port you wish to congure, select Data rate, click on Detect Crystal

Frequency, then OK.

Windows 98/ME

1. As mentioned on page 2, move the HSPD switch to the down position.

2. Right-click on My Computer and select Properties.

3. Choose Device Manager and double-click on Ports.

4. You will notice the added port, listed as a PCI Communications Port. Double-click on

the COM Port you wish to congure, select Data rate, and put a checkmark next to

Detect Crystal Frequency by clicking in the box provided. Click on OK to save

this setting.

Application Wiring

RS-485 (Transmitter is controlled by ATTATM Hardware)

NOTE: CB1S485 supports optional auto

echo mode operation. When enabled, data

sent to the connected RS-485 transmitter

is simultaneously sent to the receiver.

The current application can then use the

“echoed” data to check for data collisions.

Instruction Manual

RS-422 (Transmitter buer is always enabled)

NOTE: CB1S485 supports 4-wire RS-422 mode, which requires cross-over twisted

pair cable.

CB1S485 also provides two handshaking signals, RTS+/RTS- and CTS+/CTS- to perform

hardware ow control, which requires the following wiring scheme:

4-wire Twisted

Pair Cable

CB1S485

RS422

Device

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