Brainboxes Ethernet 4 Port

Brainboxes ES-346

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Volume Discounts
Contact us and save even more if you meet these Big Deal qualifications.
Purchase at least quantity 100 or a minimum of $1,500 of Brainboxes products to qualify.

Model ES-346

UPC Code: 837324002676

Provantage Code:  BRBX038

Condition:  Factory New

  • Product Type: Multiport Serial Adapter
  • Limited Warranty: Lifetime
  • Country of Origin: United Kingdom
  • Thickness: 4.8"
  • TAA Compliant: Yes

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NetworkingNetwork DevicesNetwork Interface Cards


Brainboxes ES-346 Specifications

    Ethernet 4 Port

At a Glance

    Rear View
    • 4 port RS422/485
    • Max baud rate 1,000,000 1 MegaBaud
    • 10/100Base TX Ethernet port
    • User friendly interface, simple to use, powerful in operation
    • Web configuration and RFC2217 compliant interface
    • IP-30 rated enclosure
    • LED status indication
    • Optional DIN rail mounting kit
    • Serial Port Tunneling (individually configurable) allows serial cable replacement over any distance, no software required
    • Power supply included with screw fix connector (5-30V DC)


    Ethernet to Serial device server providing access to four RS422/485 serial ports. Data transfer rates up to 1,000,000 baud rates, coupled with 1Mbit/s line drivers deliver uncompromising performance. Our ES range provides simple instant networked serial ports. RS485 - 1 twisted pair - half duplex configuration with autogating provides trouble free data transmission due to automatic control of data direction. A web interface allows secure configuration and control of the serial ports over a local network or the internet using any browser. For Windows our in-house designed (32 bit and 64 bit) driver gives you local COM ports, retaining existing software applications and allowing you to connect across your network to remote devices just as if they were attached locally. You can access the device via TCP/IP sockets from any networked device like an Android tablet, PC or phone. Serial Port Tunnelling (individually configurable) allows serial cable replacement over any distance, no software required. On Windows OS TCP/IP sockets are handled by the Winsock API, this will differ on other OSs.

Environmental Certification



Package Contents

    • 4 Port RS422/485 Ethernet to Serial Adapter
    • Installation CD including Manual
    • Microsoft Signed Drivers & Utilities

Additional Product Images


Product NameEthernet 4 Port
Product TypeMultiport Serial Adapter
TAA CompliantYes
Form FactorDIN Rail Mountable


Environmentally FriendlyYes
Number of Serial Ports4
Country of OriginUnited Kingdom
Product ModelES-346
Limited WarrantyLifetime
Platform SupportedPC
WARNING: Products with exposed solder can expose you to lead and lead compounds, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Always wash your hands after handling and avoid inhalation of fumes if heating the solder. For more information go to www.P65Warnings.ca.gov.
Supplies/Accessories for Brainboxes ES-346

Brainboxes Power Adapter 5V 1A 4MM Tip UK/EU/US/Aus

Mfg Part# PW-800

Brainboxes DIN-Rail Mounting Kit for 2 Port ES/US -

Mfg Part# MK-048

Considering a Volume Purchase?
You may be able to save even more on your order if you meet the following Brainboxes BIG DEAL qualifications:

Purchase at least quantity 100 or a minimum of $1,500 of Brainboxes products to qualify.

Shop with confidence! Provantage is an authorized Brainboxes dealer.

Visit the Manufacturer
Learn more by visiting the manufacturer's website.

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Brainboxes Model ES-346