Part#: 2804

SeaLINK+8/232.RJ

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

RJ45 Power Options

$279.00

Description

The SeaLINK® 2804 8-port USB to serial adapter offers an easy way to connect multiple serial devices via a single USB port. The 2804 uses a state-machine architecture that greatly reduces the host computer’s overhead when communicating over multiple ports simultaneously. RS-232 data rates up to 921.6K bps are supported. The 2804 is housed in a rugged, attractive plastic enclosure with a high-retention USB type B connector that prevents accidental disconnection of the included USB cable.

Sealevel’s SeaCOM USB software drivers and utilities make installation and operation easy using Microsoft Windows and Linux operating systems. After installing the software, the serial ports appear as standard COM ports to the host system enabling compatibility with legacy software.

The 2804 is USB bus powered, so no external power supply is required. For conveniently powering serial peripherals, ordering options allow an external power source to be connected to a DC jack on the rear of the unit. The supplied power is fused and connected to pin 5 on each of the eight RJ45 connectors. Select the appropriate configuration option for your application. Optional power supplies are available under the Accessories tab.

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Additional information

Weight 1.5000 lbs
Dimensions 9.2 x 5.3 x 1.7 in
Operating Temperature

Communications Chip

Dimensions

Electrical Interface

High Retention USB

Humidity Range

Host Interface(s)

Max Data Distance

Max Data Rate

USB Specification

Brand/Family

Power Requirement

RoHS Compliant

Serial Connector(s)

Storage Temperature

USB Powered

# of Ports

  • • Compliant with RoHS and WEEE directives
  • • Utilizes high speed UARTs with 128-byte Tx FIFOs and 384-byte Rx FIFOs
  • • Housed in rugged, attractive plastic enclosure
  • • Powered by USB connection
  • • Optionally configured to power 5, 12 or 24 VDC serial peripherals
  • • Optional external power is internally fused and connected to pin 5 on each RJ45 connector
  • • Provides 8 RJ45 serial ports with Tx/Rx status LEDs
  • • High-retention USB type B connector prevents accidental disconnection of USB cable
  • • Integrates transmit and receive LED indicators on each port
  • • Sealevel software supports Windows and Linux operating systems
  • • Includes 72 USB cable (Item# CA179)

Windows Software

Software: SeaCOM - Windows

Linux Software

Software: SeaCOM - Linux

Manual

Manual: 2804

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Accessories