Gefen CAT5 8500 USB Dual KVM Extender



Recommended replacement: Adder X2-MS4
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The Gefen EXT-CAT5-8500 sends three analog monitors, one USB-equipped keyboard/mouse, one audio output, and one RS-232 device (like a touchscreen) far from the computer using multiple CAT5 cables. It's designed for those situations where multiple extended video screens are desired. USB control, audio and RS-232 support is provided to enable remote operation for improved performance. The EXT-CAT5-8500 sends its video signals separately using their own CAT5 cable. This means it requires an additional CAT5 extension cable but it also enables video refinement capabilities for the extended monitors. Both video signals can also be extended a few hundred feet further (up to 600-feet) if needed. The CAT5-8500 is often reserved for those who have greater video requirements.

Gefen EXT-CAT5-8500 Backside
Gefen EXT-CAT5-8500 Receiver & Sender Backside

How the Gefen EXT-CAT5-8500 works:

The EXT-CAT5-8500 uses a sender and receiver methodology to transmit signals from the computer to the workstation. The sender connects to the computer using the cables provided. The receiver connects to the three monitors, RS232 and audio devices up to 600-feet away (USB can be extended up to 450-feet). Multiple CAT5 extension cables (up to 4 for the CAT5-8000; up to 5 for the CAT5-8500), sold separately, connect the sender to the receiver and thus the computer to the extended workstation. Both the sender and the receiver must be connected to a power supply. When fully powered and operational, the units extend all signals efficiently and reliably.

Gefen EXT-CAT5-8500 Diagram
Gefen EXT-CAT5-8500 Diagram

Gefen EXT-CAT5-8500 Features:

  • Saves space: no need to make room for large or small CPUs at the extended location when the CAT5-8000 provides convenient and flexible ways to isolate the CPU and extend a multiple video workstation
  • Increased productivity: a remote computer workstation allows computer data to be input and accessed on-site in real-time
  • Improved aesthetics: the CAT5-8000 eliminates computer noise where you work
  • Flexible functionality: the CAT5-8000 maintains high resolution video, supports two types of analog monitors (CRT and LCD), DDC control signals, USB and RS-232 peripherals
  • High Performance Technology: both models use Extreme USB technology for USB extension, ensuring control signals operate optimally
  • Multimedia Enabled: audio is extended for multimedia applications
  • Ease of use: the CAT5-8000 installs in seconds and is rackmountable

Gefen EXT-CAT5-8500 Package Includes:

  • Sender Unit
  • Receiver Unit
  • Three 6ft VGA cables
  • One 6ft USB cable
  • One 6ft Audio cable
  • Two 5V Transformers
  • Rack Ears

Gefen EXT-CAT5-8500 Specifications:

Mechanical Sender Receiver
Height 1.75 in. (4.44 cm.) 1.75 in. (4.44 cm.)
Width 16 in. (40.64 cm.) 8.4 in. (21.33 cm.)
Depth 4.6 in. (11.68 cm.) 4.6 in. (11.68 cm.)
Shipping weight 9 lbs. (4.08 kg.)
Supply 5DC (External)
Consumption 15 Watts
Video In HD-15
Video out HD-15
Link Connector RJ-45
USB - "A" Connector USB Input
USB - "B" Connector USB Device Input
Video Amplifier Bandwidth 350 MHz
Actual Bandwidth 120 MHz
Input Video Signal 1.2 Volts p-p
Focus/Brightness Control 25 to 450 ft.