SeaLevel SeaLINK+4 Manuel utilisateur

SeaLINK+4

User Manual | 2403

Contents

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

BEFORE YOU GET STARTED ...............................................................................................................................3

PRODUCT DESCRIPTION.....................................................................................................................................4

ELECTRICAL SPECIFICATIONS...........................................................................................................................9

TECHNICAL SPECIFICATIONS..........................................................................................................................11

HARDWARE CONFIGURATION..........................................................................................................................12

INSTALLATION ..................................................................................................................................................16

APPENDIX A – TROUBLESHOOTING................................................................................................................24

APPENDIX B – HANDLING INSTRUCTIONS.....................................................................................................28

APPENDIX C – ELECTRICAL INTERFACE ........................................................................................................29

APPENDIX D – ASYNCHRONOUS COMMUNICATIONS ..................................................................................30

APPENDIX E – COMPLIANCE NOTICES...........................................................................................................31

APPENDIX F – HOW TO GET ASSISTANCE .....................................................................................................33

WARRANTY ........................................................................................................................................................34

Before You Get Started

What’s Included

The 2403 is shipped with the following items. If any of these items are missing or damaged, please contact

Sealevel for replacement.

•2403 – USB to RS-232/422/485 4-Port Serial Interface Adapter

•CA179 – USB Device Cable for Connecting to Upstream Host/Hub

Advisory Conventions

Warning

The highest level of importance 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.

Product Description

The SeaLINK® 2403 USB serial I/O adapter equips the PC with four RS-232, RS-422, or RS-485

asynchronous serial ports for USB connectivity to legacy or non-USB compliant devices. The advantage of

this product over more traditional approaches is that it does not require opening the computer case, nor

does it require resources such as I/O ports or IRQ’s. It does require a system that supports USB both in

terms of hardware and operating system.

Sealevel SeaCOM USB software drivers and utilities make installation and operation easy using Microsoft

Windows and Linux operating systems. After installing the software, simply connect the 2403 serial

interface adapter to your USB port. The device and serial ports are immediately recognized as standard

COM ports by the host system enabling compatibility with legacy software. Now your non-USB peripherals

can have the same connection simplicity and ease of use as USB aware peripherals.

Features

•Compliant with RoHS and WEEE directives

•Each port individually configurable for RS-232, RS-422, or RS-485

•High-speed UART with 128-byte Tx FIFO and 384-byte Rx FIFO

•Data rates from 300 bps to 921.6 Kbps

•Automatic RS-485 enable/disable

•Serial and USB activity LEDs

•Hot-swappable

•Powered by USB connection

•Sealevel SeaCOM software supports Microsoft Windows and Linux operating systems

•DB9M connectors

•Includes 6’ USB device cable (Item# CA179)

Optional Items

Depending upon your application, you are likely to find one or more of the following items useful. All items

can be purchased from our website (www.sealevel.com)by calling our sales team at (864) 843-4343.

Cables

Terminal Block - DB9 Female to 5 Screw Terminals (RS-422/485) (Part# TB34)

The TB34 terminal block adapter offers a simple solution for

connecting RS-422 and RS-485 field wiring to a serial port. The

terminal block is compatible with 2-wire and 4-wire RS-485

networks and matches the RS-422/485 pin-out on Sealevel

serial devices with DB9 male connectors. A pair of

thumbscrews secures the adapter to the serial port and

prevents accidental disconnection. The TB34 is compact and

allows multiple adapters to be used on multi-port serial devices,

such as Sealevel USB serial adapters, Ethernet serial servers

and other Sealevel serial devices with two or more ports.

DB9F to DB25M (RS-485) Extension Cable (Part# CA177)

The CA177 is a standard AT-style RS-232 modem cable with a

DB9F connector on one end and a DB25M connector on the

other. This cable is 72 inches in length.

DB9F to DB9M Extension Cable (Part# CA127)

The CA127 allows users to extend a DB9 cable up to six feet.

The connectors are pinned one-to-one,

so the cable is

compatible with any device or cable that has DB9 connectors.

DB9 Female to 9 Screw Terminal (Part# TB05)

The TB05 terminal block breaks out a DB9 connector to 9 screw

terminals to simplify field wiring of serial connections. It is ideal

for RS-422 and RS-485 networks, yet it will work with any DB9

serial connection, including RS-232. The TB05 includes holes

for board or panel mounting. The TB05 is designed to connect

directly to Sealevel DB9 serial cards or any cable with a DB9M

connector.

OPTIONAL ITEMS,CONTINUED

Hubs

High Speed 4-Port USB 2.0 Hub with SeaLATCH USB Ports (Part# HUB4PH)

The hub is USB 2.0 compliant, providing a full 480M bps data

rate to the host, and is backwards compatible with USB 1.1 and

1.0 devices. The HUB4PH includes a wall-mount AC adapter

that supplies a full 500mA to each attached USB peripheral. The

power supply outputs 5VDC @ 2.

4A and has a locking DC

connector to prevent accidental removal of the power cable.

High Speed 7-Port USB 2.0 Hub (Part# HUB7P)

The HUB7P is USB 2.0 compliant, providing a full 480M bps data

rate to the host, and is backwards compatible with USB 1.1 and

1.0 devices. The powered hub includes a wall-

mount AC

adapter that supplies a full 500mA to each attached USB

peripheral. The power supply outputs 5VDC @ 4A and has a

locking DC connector to prevent accidental removal of the

power cable. The hub is housed in a rugged plastic enclosure

and status LEDs indicate external power, connection to the

host, and fault conditions.

Adapters and Converters

DB9F to RJ45 Modular Adapter (Item# RJ9S8)

The RJ9S8 is a DB9 female to RJ45 adapter. It can be

configured without tools and is an excellent choice for using

available infrastructure wiring.

DB9 Female to DB9 Male - Serial Surge Suppressor (Part# SS-DB9)

User configurable for use with male or female DB9 ports, the

SS-DB9 protects all 9 lines, plus D shell chassis. Convenient

DB9 input and output connects directly to the protected port,

obtaining a ground outlet from the computer chassis. Surge

suppression is handled with balanced arrays of high-speed

avalanche diodes that divert excess energies created by

electrostatic discharges, faulty wiring, or lightning away from

network interface connections.

Product Family

Whether you require one serial port or 16, SeaLINK USB serial adapters will have you quickly communicating

with RS-232, RS-422, and RS-485 peripherals. Unlike traditional UART-based devices, SeaLINK USB

products use a state-machine architecture that reduces host processor overhead for faster, more reliable

communications. Sealevel's SeaCOM software drivers and utilities make installation and operation easy

using Microsoft Windows and Linux operating systems.

Part No. Description

2105R USB to 1-Port RS-232 DB9 Serial Interface Adapter

2106 USB to 1-Port RS-422 DB9 Serial Interface Adapter

2107 USB to 1-Port RS-485 DB9 Serial Interface Adapter

2113 USB to 1-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter

2123 USB to 1-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface Adapter

2101 USB to 1-Port RS-232 DB25 Serial Interface Adapter

2102 USB to 1-Port RS 422, RS-485, RS-530 DB25 Serial Interface Adapter

2103 USB to 1-Port Isolated RS-232 DB25 Serial Interface Adapter

2104 USB to 1-Port RS 422, RS-485, RS-530 DB25 Serial Interface Adapter

2108 Embedded USB to 1-Port RS-232 DB9 Serial Interface Adapter with Low Profile PC Bracket

2128 Embedded USB to 1-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial

Interface Adapter with PC Bracket

2201 USB to 2-Port RS-232 DB9 Serial Interface Adapter

2202 USB to 2-Port RS-422, RS-485 DB9 Serial Interface Adapter

2203 USB to 2-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter

2208 Embedded USB to 2-Port RS-232 DB9 Serial Interface Adapter with Standard Size PC

Bracket

2213 USB to 2-Port Isolated RS-232, RS-422, RS-485 DB9 Serial Interface Adapter

2223 USB to 2-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface Adapter

2228 Embedded USB to 2-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial

Interface Adapter with PC Bracket

2401 USB to 4-Port RS-232 DB9 Serial Interface Adapter

2402 USB to 4-Port RS-422, RS-485 DB9 Serial Interface Adapter

2403 USB to 4-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter

PRODUCT FAMILY,CONTINUED

Part No. Description

2404 USB to 4-Port RS-232 RJ45 Serial Interface Adapter

2407 USB to 4-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter

2423 USB to 4-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface Adapter

2433 USB to 4-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface Adapter

641U USB to RS-232 RJ45 Serial Interface Adapter

647U USB to RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter

2801 USB to 8-Port RS-232 DB9 Serial Interface Adapter

2802 USB to 8-Port RS-422, RS-485 DB9 Serial Interface Adapter

2803 USB to 8-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter

2804 USB to 8-Port RS-232 RJ45 Serial Interface Adapter

2807 USB to 8-Port RS-232, RS-485, RJ45 VersaCom Serial Interface Adapter

2823 USB to 8-Port RS-232, RS-422, RS-485 (Software Configurable) DB9 Serial Interface Adapter

2833 USB to 8-Port RS-232, RS-422, RS-485 DB9 Serial Interface Adapter

681U USB to RS-232 RJ45 Serial Interface Adapter

687U USB to RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter

2161 USB to 16-Port RS-232 RJ45 Serial Interface Adapter

2167 USB to 16-Port RS-232, RS-485 RJ45 VersaCom Serial Interface Adapter

Electrical Specifications

The 2403 utilizes four USB UARTs. These chips feature programmable baud rate, data format, 128-byte

dual-port TX buffer, and 384-byte dual-port RX buffer. The RS-232/422/485 transceiver supports data rates

from 300 baud up to 921.6 K baud for RS-422/485 and 460.8 K baud for RS-232. Refer to Appendix C for

cable length limitations.

Connector Pin Out

RS-232 (DB9 Male)

Pin # Signal Name Mode

1 DCD Data Carrier Detect Input

2 RD Receive Data Input

3 TD Transmit Data Output

4 DTR Data Terminal Ready Output

5 GND Ground

6 DSR Data Set Ready Input

7 RTS Request To Send Output

8 CTS Clear To Send Input

9 RI Ring Indicator Input

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

this is connect RTS to CTS and RI. Also, connect DCD to DTR and DSR. Terminating these pins, if

not used, will help insure you get the best performance from your adapter.

ELECTRICAL SPECIFICATIONS,CONTINUED

RS-422 & RS-485 (DB9 Male)

Pin # Signal Name Mode

1 RX + Receive Data Positive Input

2 RX – Receive Data Negative Input

3 TX – Transmit Data Negative Output

4 TX + Transmit Data Positive Output

5 GND Ground

6 RTS + Request to Send Positive Output

7 RTS – Request to Send Negative Output

8 CTS – Clear to Send Negative Input

9 CTS + Clear to Send Positive Input

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