OSN1800 4-directional optical supervisory channel and timing transmission unit, with Advanced OTDR

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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


TNF1AST4,  four-directional optical supervisory channel and timing transmission unit, with Advanced OTDR.

Applied to Huawei OSN1800 I & II, and OSN1800 V.

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.8275.1

When working with F3SCC03/F3SCC04/F5XCH/F5UXCM/F5UXCME/Z5UXCMS/Z1UXCL/Z2UXCL, the board supports G.8273.2

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 AST4 board.


Specifications for Optical Modules
eSFP-155M-TX1491/RX1511nm(OTDR)-SMF-150km Specifications
eSFP-155M-TX1491/RX1511nm(OTDR)-SMF-80km Specifications
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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