DVOA Card

DVOA Intelligent Attenuator Board is developed by GIGALIGHT for addressing the issue of unstable optical power in optical communication lines. It serves the purpose of automatic optical gain adjustment and protecting the optical receiver. It is connected in the optical fiber communication link to ensure uninterrupted communication. The panel provides a setting button for convenient installation and debugging. The LED indicator on the panel displays the current system operating status, providing clear visibility. The system is designed to operate stably in harsh environments and is widely used in intelligent adjustment of optical lines, including PDH, SDH systems, Ethernet systems, wavelength division multiplexing (WDM) systems, and other optical systems.

Description

Product Features

  • Hot-pluggable design for convenient maintenance.
  • Supports intelligent and manual adjustment modes.
  • Excellent heat dissipation and temperature adaptability, capable of operating in various harsh environmental conditions.
  • AC/DC dual redundant power supply with wide voltage range adaptability, supporting hot-swapping for convenient maintenance.
  • Supports SNMP-based unified network management platform, with CLI (telnet and console), Web, and NetRiver (graphical interface) management methods.

Product Specifications

System Parameters Technical Indicators
Wavelength Range 1260nm~1650nm
Attenuation Range 0dB~30dB
Insertion Loss Excluding connector loss: ≤0.7dB (typical 0.5dB)
Wavelength Dependence Loss ≤0.3dB (at 0dB test), ≤1.5dB (at 20dB test)
Temperature Dependence Loss ≤0.2dB (at 0dB test), ≤1.0dB (at 20dB test)
Polarization Dependence Loss ≤0.1dB (at 0dB test), ≤0.3dB (at 20dB test)
Response Time ≤2ms (typical 1ms)
PMD ≤0.1ps
Return Loss ≥55dB
Module Dimensions 177 (W) × 20 (H) × 225 (D) (mm)
Environmental Requirements Operating Temperature -10°C to 70°C
Storage Temperature -40°C to 80°C
Relative Humidity 5% to 95% non-condensing
Safety and EMC Complies with FCC, UL, CE, TUV, CSA standards
Power Consumption <5W

Additional information

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