2-directional optical supervisory channel and timing transmission unit, with Advanced OTDR.

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PN: 03033DQY Category:
Hardware Compatibility

Hardware Compatibility x

Backed up by our experienced pre-sales support team, and volume documentation, to avoid purchasing incompatible hardware.

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)
Learn More


Receives, processes, and transmits two optical supervisory signals.

Supports transparent transmission of two channels of FE electrical signals.

Supports physical clock function.

Supports a maximum of 37.5 dB transmission. (Not including the loss of the FIU/DFIU/DSFIU board)

Supports outloops.

Supports IEEE 1588v2

Supports G.8273.2, excepts when the F3SCC01/F3SCC02 system control board is used.

Supports G.8275.1

When working with TNZ5UXCMS/TNZ8XCH, the board supports Optical-layer ASON


Tech Specs
Front Panel
There are indicators and interfaces on the front panel of the AST2 board.


Optical Interface Parameter
Position Optical Modules
WDM Side eSFP-155M-TX1491/RX1511nm(OTDR)-SMF-150km
Mechanical Specifications
Dimensions (W x H x D, mm) 193.8 x 19.8 x 205.9
Weight (kg) 0.5


Additional information
Weight 3.0 kg
Dimensions 37.5 × 34.0 × 7.5 cm

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Q: How to choose the working wavelength of TNB1AST2 Boards?

A: When the TMB1AST2 board works with the DSFIU01/DSFIU02 board, 1511 nm optical modules are configured at the TM1/RM1 ports and 1491 nm optical modules are configured at the TM2/RM2 ports.
When the TMB1AST2 board works with the DFIU03/DFIU04/BAS1 board, the supervisory channel signal wavelength is 1511 nm.

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