Discreption:
BY-USB-331 extends Keyboard & Mouse over fiber, Also called USB KM To Fiber Converter. BY-USB-331 includes a transmitter and a receiver, which can extend USB (keyboard or mouse) to a remote location over 1 fiber cable, max distance 2 Kilometers (MM fiber cable)/ 20 Kilometers(SM fiber cable).
It can be widely used in military command and control system, police command and control system, traffic management system, energy and electricity supply industry, government office, medical system, commercial presentation, multimedia and public utilities etc.
Features:
1. Max extension distance 2 Kilometers (Multimode fiber) or 20 Kilometers (Singlemode fiber)
2. Single fiber Bi-directional transmission, pure hardware design, no driver needed, compatible with all operation systems, support plug and play
3. Support USB cable keyboard or mouse
Specifications:
Optical Connector: 1x FC (default), SC / ST (optional)
Wave length: 1310nm
Support Fiber types: 50/125μm(MMF), 62.5/125μm(MMF), 9/125μm(SMF)
Physical Size (L× W ×H): 104mm x104mm x28mm
Case: Aluminum
Color: Black
N.W.: 0.75Kg
Power Voltage: 5V DC
Transmitter power consumption: <3.5W
Receiver power consumption: <3.5W
Environment Working temperature: -20℃-70℃
Storage temperature: -40-85℃
Humidity: 0-95% (non-condensing)
USB interface(Type A):
RX: 1 port, connect to PC / DVR
TX: 2 ports, connect to Cable keyboard or mouse

Diagram:

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