Huawei H801MPWC Dual DC Power Inputs Board

H801MPWC Board

The H801MPWC board is a power board with dual DC power inputs. The H801MPWC board leads in the -48 V DC power to the device.

Feature and Specifications

The H801MPWC board supports the following functions:

Two -48 V DC inputs

Filtering and current-limiting for the power input port

Detection of input undervoltage, power supply availability, and power supply faults

Reporting of the protection alarm together with board ready status

Indication of power status

Parameters

Power Consumption and Maximum Frame Size of Boards

You can query power consumption, maximum frame size, and normal operating temperature of all boards.

 lists the power consumption and maximum frame size of boards. "-" indicates N/A.

The operating temperature of all the boards is -40°C to +65°C. The lowest board startup temperature is -25°C.

 NOTE:

The power consumption of the board is tested in the following conditions:

Working voltage: -53.5 V DC.

Ambient temperature: 25 °C.

Static power consumption: All ports do not carry any loads. Specifically, users under POTS ports hang up phones, xDSL ports are deactivated, and optical modules are not installed on optical ports

Maximum power consumption: All ports fully carry loads. However, only 25% users under POTS ports concurrently pick up phones and the feeding current is 20 mA.

The board power consumption slightly varies with the power module configured for the board and discreteness of components.

Table 1 Power consumption and maximum frame size of boards

Working Principle

Figure 1 Working principle of the H801MPWC board 

The basic working principle of the H801MPWC board is as follows:

The H801MPWC board leads in the -48 V power input through the 3V3 power connector, and transfers the power to the current limit protection circuit, then to the filter circuit, and finally to the backplane, supplying power to the subrack and other boards.

The detection and reporting circuit checks the protection fuse for any faults, and reports the detection signals together with the board ready status signal to the control board. The control board indicates these detection signals through indicators.

The detection and reporting circuit checks for input undervoltage and availability of power supply.

The E2PROM circuit stores the board manufacture information.

The H801MPWC board leads in the 3.3 V power from the backplane to power certain internal chips of the board.

Front Panel Port

Indicator

Return Material Authorization (RMA) Process  

Standard Hardware Warranty Policy:

Original new sealed ZTE product: 1 Year  

The Support Contacts:  

If your ZTE products failed, you must contact your sales representative to verify product failure. If the problem still can't correct by remote support methods i.e. email or phone support, the RMA procedure will issue.

Cargo will be delivered within 1 day after payment arrived. Tracking Number will be offered once delivery done.

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