SeaLevel ISO-232+2.CF User manual

ISO-232+2.CF

User Manual | 3201

Contents

CONTENTS...........................................................................................................................................................2

OVERVIEW............................................................................................................................................................ 3

INTRODUCTION ................................................................................................................................................... 4

BEFORE YOU GET STARTED ...............................................................................................................................5

INSTALLATION THE ISO-232+2.CF ....................................................................................................................6

HARDWARE SPECIFICATION ..............................................................................................................................8

APPENDIX A – TROUBLESHOOTING................................................................................................................11

APPENDIX B – HOW TO GET ASSISTANCE .....................................................................................................12

WARRANTY ........................................................................................................................................................13

Overview

The ISO-232+2.CF card is an isolated dual-port RS-232 CompactFlash serial card with the following

features:

•Type II CompactFlash form factor for CF+ equipped PDAs, Handheld PCs, laptops, etc.

•Software support provided for Windows and PocketPC

•Drivers not required for Windows CE and PocketPC

•16C550 compatible, buffered UART with 16-byte FIFO

•RS-232 interfaces are isolated up to +/-50 VDC relative to local host ground.

•Data rates to 115.2K bps

•3.3V compatible

•All modem control signal signals implemented

•Compatible with all standard serial COM software

•Software controlled power management

•Low power consumption

•Detachable 12” cable with two DB-9M connectors

Introduction

The ISO-232+2.CF card is an isolated dual-port RS-232 serial card designed using a 16C550 compatible

UART. The serial data and control lines are buffered using isolated RS-232 drivers that allow the RS-232

interfaces to be isolated up to +/-50 VDC relative to local host ground.

Industry standard baud rates up to 115.2K bps are supported, together with 16-byte TX and RX FIFOs. Each

port has TX, RX, CTS and RTS signals, and there is a common ISOGND connection shared by the two ports.

The SIO-232+2.CF conforms to the industry standard CompactFlash+ interface that allows connection of

peripherals to the system bus of a laptop, handheld PC or PDA. The CF+ specification extends the earlier

memory-only CompactFlash interface to allow I/O devices and extra power for the card. The SIO-232+2.CF

is an I/O type device and requires a CF+ capable slot.

Before You Get Started

What’s Included

The ISO-232+2.CF is shipped with the following items. If any of these items are missing or damaged,

please contact Sealevel for replacement.

•ISO-232+2.CF - An isolated dual-port RS-232 CompactFlash serial card

•12” Y-cable that terminates with two DB-9M connectors with female jackscrews

Advisory Conventions

Warning

The highest level of importance is used to stress a condition where damage could result to the

product, or the user could suffer serious injury.

Important

The middle level of importance used to highlight information that might not seem obvious or a

situation that could cause the product to fail.

Note

The lowest level of importance used to provide background information, additional tips, or other

non-critical facts that will not affect the use of the product.

Installation the ISO-232+2.CF

Software Installation

Windows Installation

Do not install the Adapter in the machine until the software has been fully installed.

Only users running Windows 7 or newer should utilize these instructions for accessing and

installing the appropriate driver via Sealevel’s website. If you are utilizing an operating system

prior to Windows 7, please contact Sealevel by calling 864.843.4343 or emailing

[email protected] to receive access to the proper driver download and installation

instructions.

You will first need to install SeaCOM prior to using the ISO-232+2.CF. Installing SeaCOM software that is

available Sealevel’s website (www.sealevel.com) will copy the necessary files into the proper Windows

folders. Windows will use these files to “recognize” the ISO-232+2.CF card.

1. Begin by locating, selecting, and installing the correct software:Sealevel Seacom Software.

2. Select the link for ‘SeaCOM for Windows’.

3. The setup file will automatically detect the operating environment and install the proper

components.

To confirm that the SeaCOM driver has been successfully installed, click on the ‘Start’ button, and then

select ‘All Programs’. You should see the ‘SeaCOM’ program folder listed.

You are now ready to proceed with connecting the 3201 to your system. Refer to the Hardware

Specification section for details.

In Windows XP SP1, you will need to apply a “hot fix” from Microsoft to correct a bug that causes

the ports to appear to be installed properly yet are non-functional. Please contact Sealevel

Systems technical support for assistance.

The diagnostic tool ‘WinSSD’ is installed in the SeaCOM folder on the Start Menu during the setup

process. First find the ports using the Device Manager, then use ‘WinSSD’ to verify that the ports

are functional.

3.2 Windows CE, PocketPC

There is no need to install any software for Windows CE or PocketPC. Simply insert the SIO-485.CF card

and it will appear in a list when you go to set up a “Connection”.

The standard OS-drivers allow use of only one port at a time.

For Windows CE and PocketPC, the utility ‘vxHpc’ is available from Cambridge Computer Corporation, free

for a 30-day evaluation or a nominal charge for a license. ‘vxHpc’ is a high-performance serial and telnet

communication software application that can help you connect to various terminal devices and can also

be used to perform a simple loopback test.

The latest version and instructions are available here:

https://web.archive.org/web/20101212202122/http://cam.com/vxhpc.html

For additional information on connecting your PocketPC or if you are using older versions of Windows, such

as Windows 95/98/ME/NT/2000, please call Sealevel Systems’ Technical Support, (864) 843-4343. Our

technical support is free and available from 8:00 AM to 5:00 PM Eastern Time Monday through Friday. For

email support contact support@sealevel.com.

Hardware Specification

4.1 Pinout

The ISO-232+2.CF is supplied with a 12” Y-cable that terminates with two DB-9M connectors with female

jackscrews (to match the port at the back of a PC). The pinout below applies to the DB-9M connectors on

the supplied cable. “Port1” and “Port2” is marked on the cables.

PORT1

NAME

FUNCTION

RX1

Receive Data input 1

TX1

Transmit Data output 1

ISOGND

ISOLATED GROUND

RTS1

Request To Send output 1

CTS1

Clear To Send input 1

Shell

See note*

PORT2

NAME

FUNCTION

RX2

Receive Data input 2

TX2

Transmit Data output 2

ISOGND

ISOLATED GROUND

RTS2

Request To Send output 2

CTS2

Clear To Send input 2

Shell

See note*

* The cable shield is grounded at the card-end, runs the full length of the cable and is not connected at the

equipment end (i.e., does not connect to the DB-9 shell) to help to avoid ground loops.

Please terminate any control signals that are not going to be used. The most common way to do

this is connect RTS to CTS. Terminating these pins, if not used, will help insure you get the best

performance from your adapter.

4.2 Electrical

All figures quoted are typical parameters @ 25°C (77°F)

RS-232 SIGNALS:Typical output level ±5.5V (open circuit voltages)

TX, RX, CTS and RTS are supported on each port

UART CLOCK SPEED: 1.8432MHz, max baud rate 115.2K bps

ISOLATION: Isolation is defined between ISOGND and host 0V supply (metal case of

card and cable shield braid) and can be up to +/-50V, DC to 60Hz. The two

ports share a common ground (ISOGND): no isolation exists between the

two ports.

SCAVENGED POWER: The isolation driver circuit will only supply enough power to guarantee

correct RS-232 signal operation into 3K-ohm loads on TX and RTS. Using

terminal equipment that scavenges power from the RS-232 signals may

not work.

UNUSED SIGNALS:If RX or CTS inputs are not used, make sure they are looped back into TX

and RTS respectively to prevent them from floating.

4.3 Power Consumption

All figures quoted are typical parameters @ 25°C (77°F)

VCC CURRENT:35mA typical @ 3.3V

4.4 Mechanical

MASS: 15g typical (0.352 oz.)

FORM FACTOR: 36.4mm x 42.8mm x 5.0 mm overall (1.43” x 1.68” x 0.13”)

4.5 Environmental

HUMIDITY: <80% R.H. (non-condensing)

TEMP: 0-50°C ambient (32-122°F)

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