Fiber Interface Board

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Hardware Compatibility

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Hardware Tested

Hardware Tested x

In order to avoid hardware malfunction, each equipment will be strictly tested before delivery and the test report will be packed inside equipment and delivered together. Learn more

Software Compatibility

Software Compatibility x

Software compatibility test between active/standby system board, main control board and service board, mother/sub-card; system commissioning test to prevent all software conflicts.

Huawei WDM-OTN Equipment Test Procedure
In this topic, we take Huawei OSN 8800 as example to show you how to test the WDM/OTN equipment (Huawei OSN 6800 etc)
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  • Fiber Interface Board
  • The FIU board multiplexes and demultiplexes signals, and monitors performance of optical signals.
  • Multiplexes and demultiplexes signals transmitted along the main path and optical supervisory channel.
  • Provides an in-service monitoring port (MON). 
Tech Specs
Front Panel
There are indicators, interfaces, and a laser hazard level label on the front panel of the FIU board.

Feature Code
Code Meaning   Description
First character Band   Indicates the multiplexing solution adopted by the board. The value C represents C band; the value L represents L band.
Optical Interface Parameter
Operating wavelength range nm 1529-1561
Operating wavelength range of optical supervisory channel nm 1500-1520
Optical return loss dB > 40
Insertion loss dB <= 1.5
Insertion loss dB <= 1
IN-TM Isolation dB > 40
IN-TC Isolation dB > 12
  Polarization dependent loss dB < 0.2
Mechanical Specifications
Dimensions (mm) 25.4 (W) x 220(D) x 264.6 (H)
Weight (kg) 1
Additional information
Weight 3.0 kg
Dimensions 37.5 × 34.0 × 7.5 cm

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Q:How many versions does FIU have?

A:The FIU is available in TN11, TN12, TN13, TN14, TN15 and TN21 versions.

Q:What’s the difference between those versions?

A:Regarding function:

  • The TN13FIU02 board supports high power input and works with the HBA board.
  • The TN14FIU board works with the RAU1/RAU2 board.
  • The other versions of the FIU board do not support high power input. 
  • The TN11FIU, TN12FIU and TN15FIU boards support reporting of input optical power.
  • The TN14FIU supports the OUT optical interface power detection. 
  • TN12FIU/TN13FIU/TN14FIU/TN15FIU board supports optical-layer ASON

Q:What’s the version substitution:

A:TN12FIU/TN13FIU/TN15FIU can substitution for TN11FIU.

    TN13FIU/TN15FIU can substitution for TN12FIU.

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