Brand Repima Serial RS232 DB9Pin Switcher Sharer 2 in 1 out 1 in 2 out Bi directional swap (1 host at a time) 2 computer hosts laptop sharing 1 monitor or serial hard drive Black. The Serial DB9 Pin RS232 Switcher Sharer 2 In 1 Out is a useful device with a 2 in 1 out connector that allows you to access an RS232 source in a 2 port RS232 input switcher, such as 2 computer mainframes, laptops externally connected to 1 monitor or serial hard disk device. Connects across serial lines. The switcher also has 1 input port and 2 output ports for connecting 2 external monitoring or serial hard disk devices. 1 computer host laptop input, 2 external monitoring or serial hard disk devices (for switching one of the monitoring or hard disk devices). Direct serial line connection, switching mode: manual button switching. The RS232 switch allows 2 in 1 out or 1 in 2 out bi directional interconversion, providing consistent quality and signal transmission to connected devices. Compatible with RS232 devices: such as computer mainframes, laptops and monitors, serial hard disks, instruments, controllers and more. Color: Black, Product Size: 12x3x9 cm. RS232 Serial Switcher Shared 2 in 1 out is a powerful, high performance device for home entertainment systems, conference rooms, showrooms, industrial controls, etc. It allows you to easily externalize 2 computer hosts to a monitor or serial hard drive (1 host at a time).