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The StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub is a hardware device d... The StarTech 4 Port USB to DB9 RS232 Serial Adapter Hub is a hardware device designed to provide users with four additional serial ports through a single USB connection. With an external hub port style and a USB 2.0 bus type this adapter hub is... more

Compliant with USB 1.1 specifications. Supports RS-232 serial interface. Suppo... Compliant with USB 1.1 specifications. Supports RS-232 serial interface. Supports up to 500kbps data transfer rate. Compliant with Windows 98SE/ME/2000/XP(32/64-bit)/Vista (32/64-bit) Mac 10.1~10.4. Install as a standard Windows COM port Full RS-232... more

Specification: Interface protection: TVS transient suppression protection func... Specification: Interface protection: TVS transient suppression protection function Chip: CH340 chip Baud rate: maximum baud rate 115200 Communication interface: RS-232 end: TXD-2 RXD-3 GND-5 RS-485 terminal wiring mode: A-A B-B USB physical... more

The UKM-401MV is a KVM Switch with 4 inputs allowing you to access 4 computers... The UKM-401MV is a KVM Switch with 4 inputs allowing you to access 4 computers using just one set of keyboard mouse and display. This device is HDMI 2.0b and HDCP 2.2 compliant with a video bandwidth of 18Gbps and resolutions up to 4K@60Hz. It also... more

Independent switching of the KVM, USB, and audio Support HD Audio Computer sel... Independent switching of the KVM, USB, and audio Support HD Audio Computer selection via front panel pushbuttons, hotkeys, mouse1 , or RS-232 command2 Superior video quality - Cinema 4K (4096 x 2160 @60Hz) Audio Mixer Modes -Mixes up to two audio... more