TNH2SP3D Is Huawei OSN 500 Series Board
Huawei OSN 500 Series Board TNH2SP3D Overview
The SP3D board is a 42xE1/T1 electrical interface board.
The SP3D is available in two versions, that is, TNH1 and TNH2. The TNH1SP3D and TNH2SP3D have no difference and can substitute for each other. The TNH1SP3D is discontinued.
The TNH2SP3D board is used to process E1/T1 signals and overheads, to report alarms and performance events, and to provide maintenance functions.
The SP3D board consists of the interface module, encoding/decoding module, mapping/demapping module, logical control module, and power module
The front panel of the SP3D board has indicators and interfaces.
The SP3D board can be inserted in slots 3 to 4 in the chassis.
The feature code of a board refers to the number next to the board name in the bar code and indicates the type of board port. SP3D boards have feature codes.
Function and Feature |
Description |
Service processing |
Accesses and processes 42xE1/T1 signals. |
Overhead processing |
Processes POH bytes at the VC-12 level, such as J2 and V5 bytes. |
Alarm and performance event |
Provides rich alarms and performance events for easy management and maintenance of the equipment. |
Maintenance functions |
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