AESP Manual Data Switch - Parallel or Serial - 4 Ports - HD15M6F4 - Fast Ship!

10-Port Gigabit PoE Network Switch with 8 PoE+ Ports with 2 Combo SFP Slots 125W

1x4 or 4x1 - 4-Port AB Manual Sharing DB9 RS232 Serial Switch 4-Way Selector Box

2Port DB25 Parallel or Serial Printer Share Manual Switch

Manual Data Transfer Switch Box 2-Position 2-Port A/B - AB Serial Switchbox

Vintage PC QVS CA260-3 DB25F ABC Manual Data Switch Parallel & Serial

Data Transfer Switch KENTEK 4-WAY DB9 BOX RS232 9 PIN SERIAL PRINTE UC3-5 / Cord

A/B VGA PORTS Manual Data Switch Box Peripheral Data Sharing Device DW-HD15AB