401-943-1164 / US & Canada Toll Free: 877-943-1164

Catalog # 304504 - Model 4504 DB25 Vibration-Proof A/B Switch

    DB25 Vibration-Proof A/B SwitchDB25 Vibration-Proof A/B Switch
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    • DB25 Vibration-Proof A/B Switch
    • DB25 Vibration-Proof A/B Switch
Base Price:
Catalog No: 304504
Model No: 4504 DB25 2-Position Switch
Product Type:Switches: Copper
Cable Type/Port Connector:DB25 Switch Ports
Channels per Switch Chassis:1
Manual Control/No Power Required:LineSelect® Manual Operation
Pins Switched:2-25, Pin 1 Bussed Thru
Local Control:Rotary Knob
Feature:Rigorous Seismic Tested


Shipping Terms

Shipments are made via UPS Ground, unless otherwise specified. Freight charges are prepaid and added to your invoice. We can estimate the freight costs for you.

We can ship freight collect on your account, just provide your UPS Account Number.

We can also ship via the carrier of your choice. Provide the details and your account number.

Products shall be shipped F.O.B. Electro Standards' facility. Title to and risk of loss or damage to the products shall pass to you upon Electro Standards delivery of the products to a carrier for shipment. Title to software will remain with the applicable licensor. Electro Standards' prices do not include shipping and handling charges. Electro Standards reserves the right to use its own discretion in the manner and routing of shipments. Electro Standards shall be permitted to deliver products in separate lots.

Shipping Return Policy

  • To return an item, contact Electro Standards at 401-943-1164 to obtain a Return Material Authorization (RMA) number. RMA numbers are valid for 30 days after the date of the shipment and cannot be extended or re-issued. We are unable to accept returns without an RMA number.
  • All returns except those of defective product are subject to a 15% restocking fee, and additional charges for handling or freight are refunded only in cases of defective products.
  • Return freight must be shipped prepaid. We recommend that you insure the package as you are responsible for risk of loss on all returned packages. We recommend that all cartons are properly packed as Electro Standards is not responsible for product damaged en route. We do not issue call tags for product returns.
  • Returned product must be clean, undamaged, and complete with all manuals, accessories, documents and packaging. The items must be in a resalable condition.
  • The product must have with it a copy of the original invoice or packing slip and the appropriate RMA paperwork.
  • If your item is not working properly, please contact Electro Standards at 401-943-1164 for help in trouble-shooting your application.
  • If the product is defective, Electro Standards will repair or replace that item (at our discretion) upon receipt and evaluation of the original product.
  • Electro Standards reserves the right to authorize product returns after 30 days from the invoice date in some cases. If the product is accepted after 30 days, credit will be issued toward future pruchases only and some additional restocking charges may be applied.
  • All credits from RMAs must be used within one calendar year of issue.

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Manual Network Switch, DB25, Rotary Switches
Ruggedized DB25 A/B Switch, 2 Positions, Vibration-Proof

  • A New Ruggedized Manual Data Network Switch from Electro Standards!
  • Model 4504 Manual, Desktop, Ruggedized DB25 A/B Network Switch 

Ruggedized DB25 A/B Manual Network Switch, Model 4504


  • CONNECTORS: (2) DB25 (F) connectors labeled "FAX" and "COMM SERVER" and (1) DB25 (M) connector labeled "COMMON" are located on the rear panel.
  • CONTROL: Two position rotary switch control located on the front panel.
    The switch positions are labeled "FAX" and "COMM SERVER."
  • DESKTOP SIZE: 4.25" W x 6" D x 3.5' H
  • WEIGHT: Approx. 2.0 lbs.

Ruggedized to Withstand Environmental Challenges!
APPLICATIONS: Mobile applications, motion applications, and applications with harsh environments.

The function diagram shows a COMMON device connected to the DB25 Male COMMON port accessing a "FAX" device connected to the DB25 Female port labeled "FAX" and another device labeled "COMM SERVER" connected to the DB25 Female port labeled "COMM SERVER" 

Model 4504 application for DB25 A/B Ruggedized Switch.   


  • Model 4504 AB manual network switch switches pins 2 to 25 of connector interface, simultaneously. Chassis Ground on pin 1 bussed thru.
  • Ruggedized to withstand vibrations encountered in mobile/motion applications.
  • Switch configuration has passed rigorous seismic testing.
  • Ideal for mobile/motion applications.
  • Copper data network switch.
  • Rugged all-aluminum enclosure provides EMI/RFI resistance in noisy environments
  • Optional "mounting ears" allow firm attachment
  • Manually operated. No power required.
  • Lifetime guarantee against manufacturing defects!
  • Electro Standards manufactures a wide range of RS232 data network switches.
  • Municipalities, schools, government:  This product on GSA Schedule!

 The Model 4504 manual data network switch was designed to withstand an environment subject to vibrations. Model 4504 is ideal for mobile/motion applications, or any other harsh environment application.

The Model 4504 data switch allows data to pass through 24 pins of the DB25 connector interface and switches the 24 pins simultaneously. The Model 4504 is available with mounting brackets to secure it to a panel.

  • This high-quality network switch is available to city, state, and federal government purchasers at a discounted price and favorable payment and shipping terms via GSA Schedule GS-35F-0286V. Click here or on GSA icon for details.

    Custom Network Switches are available. Contact us by phone, email, or complete the Online Custom Products Form. /Products-Custom/Copper-Switch/

    Electro Standards can supply all of your Network Cable requirements. Click here to reach our CABLES, COPPER NETWORK Webpage. 

    All data switch boxes, data communication products, and data acquisition products are subject to a one year warranty against manufacturing defects.  The limit of ESL liability is limited to the cost of the ESL product provided.

     *Prices online are subject to change and verification.
    All ESL Manual Data Network Switches are available for export.

    Electro Standards welcomes International inquiries: commutateur de données, interruptor de datos, dati interruttore, Przelacznik danych, comutador de dados.

  • Available Combo Deals