H801TOPA Board

The H801TOPA is a TDM traffic over PSN board. It uses the daughter board to transmit services upstream.

Overview

The H801TOPA board supports the following functions:

Native TDM function (when the NH1A/O2CE daughter board is configured)

CESoP function (when the EH1A/CSSA daughter board is configured)

TDM signal upstream transmission through the 16 channels of E1 port (when the NH1A/EH1A daughter board is configured)

TDM signal upstream transmission through the 2 channels of STM-1 optical port (when the O2CE/CSSA daughter board is configured, )

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 H801TOPA board

The basic working principle of the H801TOPA board is as follows:

The control module loads the board software, controls, and manages the entire board.

The service processing module allocates the GE bus of the backplane and processes signals.

The interface module converts signals.

The power module supplies power to each functional module of the board.

The clock module provides clock signals for each functional module of the board.

The service process is as follows:

In the upstream direction, after passing the interface module, the GE signals from the backplane are converted into the TDM frames. Then, the TDM frames are transmitted upstream.

In the downstream direction, the interface module receives the signals from the TDM line, and converts and encapsulates the signals into GE packets. After being transmitted to the backplane bus through the service processing module, the GE packets are transmitted to the control board. Then, the control board forwards the GE packets to the related service boards.

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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