OTDR Card

OTDR (Optical Time Domain Reflectometer) Fiber Auto-Monitoring Board is used for the monitoring system in optical communication network maintenance. It utilizes the backscattered light generated during the propagation of light in the fiber to obtain information about attenuation. It can be used to measure fiber attenuation, connector loss, locate fiber faults, and understand the loss distribution along the length of the fiber. It is an essential tool in optical cable construction, maintenance, and monitoring.

Description

Product Features

  • Large dynamic range
  • Low event dead zone and attenuation dead zone
  • High testing accuracy
  • Millisecond-level real-time test refresh rate
  • Fast data transfer via Ethernet interface
  • Automatic monitoring of communication optical signals
  • Supports SNMP-based unified network management platform, management methods include CLI (telnet and console), Web, NetRiver (graphical interface)

Product Parameters

System Parameters Technical Specifications
Dynamic Range (SNR=1) at 25℃ 24-35 dB (typical, pulse width: 20 μs)
Dynamic Range (SNR=1) at -5℃ to 55℃ 22-33 dB (typical, pulse width: 20 μs)
Wavelength 1310 ±20 nm 1550±20 nm 1625±10 nm
Test Fiber 10 μm/125 μm single-mode fiber (ITU-T G.652)
Pulse 3, 5, 10, 30, 50, 100, 275, 500, 1000, 5000, 10000, 20000 ns
Test Range 0.5, 2.5, 5, 15, 40, 80, 120, 160, 200 km
Event Dead Zone ≤3 m
Attenuation Dead Zone ≤15 m
Sampling Interval 0.125 to 2 m
Sampling Points 128,000
Reflection Setting Range 1.30000 to 1.80000
Testing Distance Uncertainty ±(1+0.005%×distance+sampling resolution)
Linearity ±0.05 dB/dB
Return Loss Test Accuracy ±2 dB
Automatic Test Test Items: Total loss, distance for each event point, link loss, return loss or reflection
Thresholds: Link loss: 0.01 to 9.99 dB
Reflection: -14 to -70 dB; End: 1 to 99 dB
Number of Event Points Detected: Up to 99
Auto Configuration: Distance range, pulse, averaging count
Manual Test Test Items: Transmission distance, 2-point method, link loss, reflection
Laser Safety IEC 60825-1:2007: CLASS 1
21 CFR 1040.10
Power Supply +12±1V, maximum 1.5A
Interfaces Ethernet Interface: 20-pin to 10/100M RJ45 interface
Serial Port: RS-232C: 115.2 kbps (set IP address via RS-232C interface)
Size and Weight 148.4×85.4×22 mm, less than 0.5 kg
Environmental Conditions Operating Temperature: -5℃ to +55℃
Operating Humidity: ≤95% (non-condensing)
Storage Temperature: -40℃ to +70℃
EMC EN61326-1, EN61000-3-2

Additional information

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