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4-Way Manual Rotary Knob DB25 Serial Switch Box

ABCD Switch | Shielded Metal Case | Rubber Feet | Rotery Knob | Share Four Devices w/ One Port
Quantity Discount Pricing
1-2 3-5 6-7 8-9 10+
$31.79 $30.59 $29.79 $29.39 $28.79

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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Product Questions

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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