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



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