Introduction To The Npui-20 - Huawei NE40E-X1 Hardware Description

HUAWEI NE40E-X1 & NE40E-X2 Universal Service
Router
Hardware Description
Figure 1-11 Data plane architecture of the NE40E-X1

1.4.2 Introduction to the NPUI-20

The NPUI-20 on the NE40E-X1 processes service data of the entire system.
The NPUI-20 has the bidirectional 20-Gbit/s forwarding capability, and all subcards switch data
through the NPUI-20.
You can install only one NPUI-20 into the chassis of the NE40E-X1.
The NPUI-20 consists of the following planes:
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Control and management plane
Through the management channels between MPUs and the NPUI-20, the MPUs can
manage NPU and associated subcards, and transmit routing protocol data.
Data forwarding plane
The NPUI-20 is responsible for service processing in the entire system, and is connected
to all subcards through data channels.
The NPUI-20 provides two 10G Ethernet optical interfaces that can work in WAN or LAN
mode and can be installed with XFP optical modules.
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