Features & Specifications

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

Part: 2803 | Model: SeaLINK+8

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 to 921.6K bps

• Automatic RS-485 enable/disable

• Serial and USB activity LEDs

• Hot-swappable

• Powered by USB connection

• Sealevel’s SeaLATCH locking USB port provides secure connection with

SeaLATCH USB cables via metal thumbscrews

• Sealevel software supports Windows and Linux operating systems

• DB-9M connectors

• Includes 6′ USB type A to SeaLATCH USB type B device cable (Item#

CA356)

Specifications

Family

SeaLINK

Max Data Rate

921.6K bps

Dimensions

8.7” (L) x 6.1” (W) x 2.0” (H)

Electrical Interface

RS-232, RS-422, RS-485

High Retention USB

Yes

Humidity Range

10 – 90% Relative Humidity, Non-

Condensing

Host Interface(s)

USB

Max Data Distance

4000 feet

Communications Chip

USB/UART

# of Ports

8

Operating Temperature

0°C to 70°C (32°F to 158°F)

Power Requirement

+5V @ 500mA

RoHS Compliant

Yes

SeaLATCH Locking

USB

Yes

Serial Connector(s)

DB9M

Storage Temperature

-50°C to 105°C (-58°F to 221°F)

USB Powered

Yes

USB Specification

1.1 Compliant 2.0 Compatible

sealevel.com

+1 864.843.4343

SL9461 E22