4-Way Manual Rotary Knob DB25 Serial Switch Box

ABCD Switch | Shielded Metal Case | Rubber Feet | Rotery Knob | Share Four Devices w/ One Port
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$22.65 $21.79 $21.19 $20.84 $20.50

The DB25 4-Way Manual Switch Box is an easy-to-share one jack with two devices. Simply run a cable from your jack into the switch box and cables from the switch box to your devices. This switch box is great for sharing a DB25 Port with a serial modem, printer, card readers, and more.


  • 4-Way DB25 AB Switch
  • Switch between four DB25 devices
  • All Ports Female
  • Rotary Knob operation
  • Fully Shielded Metal Case
  • Rubber feet protect work surfaces from damage and scratches
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Proposition 65

WARNING: This product can expose you to chemicals including phthalates, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, go to www.P65Warnings.ca.gov


Directive on the restriction of the use of certain hazardous substances in electrical and electronic equipment in the European Union.  It stands for Restriction of Hazardous Substances Directive.

REACH, a European Union regulation addresses the production and use of chemical substances and their potential impacts on both human health and the environment.  It stands for Registration, Evaluation, Authorisation, and Restriction of chemicals.


The WEEE Directive set collection, recycling and recovery targets for all types of electrical goods in the European community.  It stands for Wate Electrical and Electronic Equipment Directive.

* The following information is for information purposes only.  It does not guarantee that the product adheres to the following standards.  Please check the product description for specific certifications.

Q: What’s the difference between a switch and a splitter?

A: A switch allows you to connect multiple video sources to 1 display. A splitter allows you to take the video from one source and then display it on multiple displays depending on how many outputs the splitter has.

Q: Will I lose picture quality if I use a switch?

A: No a switch will maintain the picture quality.

Features & Specs
Number of Inputs:Number of Inputs supported by the switch ?4
Input Connector Type:Type of Connector on the input side of the switch box?
4x DB25 Female
Output Connector Type Type of Connector on the output side of the switch box ?1x DB25 Female
Switch Mechanism Method used to switch between inputs?Rotary Knob