The NPUI-20 consists of the following planes:
l Control and management plane
Through the management channels between MPUs and NPUI-20s, the MPUs can manage
NPUs and associated subcards, and transmit routing protocol data.
l Data forwarding plane
The NPUI-20s are responsible for service processing in the entire system, and are connected
to all subcards through data channels.
An NPUI-20 provides two 10G Ethernet optical interfaces that can work in the WAN or
LAN mode and can be installed with XFP optical modules.
Table 2-7 NPUI-20 parameters
Item Description Remarks
Forwarding capability 20 Gbit/s (bidirectional) -
Interface Two 10GE XFP optical interfaces that
can work in the LAN or WAN mode
-
Figure 2-12 Appearance of the NPUI-20 panel
1. Ejector lever
2. OFL indicator 3. OFL button 4. L/A1 indicator
5. Optical interface 6. L/A0 indicator 7. ACT indicator 8. STAT indicator
Table 2-8 describes the buttons and indicators on the NPU panel.
Table 2-8 Description of the buttons and indicators on the NPU panel
Indicator/
Button
Description
STAT
indicator
If the indicator is steady green, it indicates that the NPUIworks normally.
If the indicator is steady red, it indicates that the hardware of the NPU is faulty.
If the indicator blinks green, it indicates that NPU is being registered.
If the indicator is off, it indicates that the NPU is not powered on or fails to be
registered.
HUAWEI NE40E-X1 & NE40E-X2 Universal Service
Router
Hardware Description 2 NE40E-X2 Hardware Description
Issue 02 (2011-09-10) Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
34
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