Free Space Optical Communication System

LB-155M Free space optics (FSO) utilizes high-power laser and high-sensitivity detector; it capitalizes on multiple beam technology to achieve more than 99.9% reliability of carrier-class. When designing the FSO system, plus auto-tracking technology, in order to prevent building motions, wind gusts, structural vibration to affect the line-of-sight communication. The receiver can be ensured to receive the maximum optical power.

• Utilizing multi-beam design to improve the reliability of system ;
• Capitalizing on automatic tracking technology to adjust the line-of-sight motion;
• Its internal heating device to effectively prevent snow or sleet accumulation;
• Its internal telescope to roughly adjust the line-of-sight between transceivers;
• Displaying the optical signal intensity in the form of digital;
• License-free;
• Deploying the communication link quickly;
• Low cost, large bandwidth, high transmission security and anti-interference.

Transmission system specification:
Transmission Rates: 2~155Mb/s
Laser Output Power: 90mW（3×30mW）
Divergence Angle: ＜ 2 mrad
Recommended Operational Ranges: ＜ 2000m
Free-space Wavelength: 850nm
Receiving Sensitivity: -35dBm

Fiber optic interface:
Interface Type: multi-mode fiber
Interface Wavelength: 1550nm
Connectors: FC/PC

Reliability and Security:
Redundant Transmitters: 3 independent lasers
Built-in Defroster: prevents snow/sleet accumulation
Receive Power Indicator: digital display
Status Indicator (LED): Power、Data In、Data Out
Laser Safety : IEC 60825-1, Class 1M

Mechanical Structure:
Receiver/Transmitter(s): three transmitters, three receivers
Dimensions(W×H×L): 321×297.5×620mm
Unit Weight: 15Kg
Built-in Alignment Telescope: Yes
Built-in Automatic Tracking : Yes
Operating Voltage: AC220V/DC48V
Operating Temperature: -20℃- +50℃
Storage Temperature: -30℃- +70℃
Humidity Range: ≤95%(non-condensing)
Power Consumption(Max) : 80W( electronics & heater)

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