Black Box KVX 4K HDMI USB 2.0 Fiber KVM Extender Kit

The Black Box KVXLCHF-100 is a KVM extender kit that lets you place a full workstation up to 33,000 feet from its host computer by carrying HDMI video, USB 2.0, audio, and serial control over a single strand of single mode fiber. It maintains 3840 x 2160 output at 30 Hz, so graphics, dashboards, and video streams appear sharp and accurate even at the far end of the link.

Both transmitter and receiver install quickly: connect the computer, keyboard, mouse, monitor, and other USB peripherals, then patch the fiber between the two units. A local video loopback on the transmitter provides on-site monitoring, which is helpful when you need to keep an eye on the system at the equipment rack while someone works at the remote console.

The kit passes bi-directional audio for headsets or speakers, and it offers an RS-232 channel that can be used for touchscreens or other serial devices. Because the signal rides on fiber, it is immune to electromagnetic interference and naturally isolated for added security.

A metal enclosure stands up to industrial floors, broadcast trucks, and busy command centers. TAA compliance simplifies procurement for federal, state, and local government projects where trusted sourcing matters. Whether you are relocating servers to a secure room, extending control to a production line, or giving operators silent workspaces free from heat and fan noise, the KVXLCHF-100 provides the reach and clarity you need without compromising performance.

• HDMI video resolution up to 4K at 30 Hz
• Extends KVM signals up to 10 km over fiber
• Supports USB 2.0, RS-232, and bi-directional audio
• Local video loopback on the transmitter side
• Metal chassis for durability
• TAA compliant for government use