Indicator/
Button
Description
ACT
indicator
If the indicator is steady green, the NPU is in the master state.
If the indicator is off, the NPU is in the slave state or fails to be registered.
OFL
button
This button indicates the removal of the NPU. Before removing the NPU, press
and hold the OFL button for 6s until the OFL indicator comes on. Then, you
can remove the NPU.
Specifications
lists the specifications of the NPU.
Table 1-16
Specifications of the NPU
Item
Specification
Silkscreen of the board
name
NPU-50-E
Typical power
consumption
165 W
Heat dissipation
535.3 BTU/hour
Weight
2.6 kg ( 5.73 lb )
Dimensions (H x W x D)
20 mm x 194 mm x 226 mm (0.79 in. x 7.64 in. x 8.90 in.)
Earliest Software Version
V800R005C01
1.4.4 Introduction to the NPU-120
NOTE
NPU-120 must not be installed in an outdoor cabinet.
The NPU-120 has a 120-Gbit/s forwarding capability in each direction, and all subcards switch
data through the NPU-120.
You can install only one NPU-120 on the chassis of the CX600-X1-M4. The NPU-120 is
connected to the four PICs.
The NPU-120 consists of the following planes:
l
Control and management plane
Through the management channels between MPUs and NPUs, the MPUs can manage
NPUs and associated subcards, and transmit routing protocol data.
l
Data forwarding plane
HUAWEI CX600-X1-M/CX600-X2-M Series Metro
Services Platform
Hardware Description
1 CX600-X1-M4 Hardware Description
Issue 03 (2014-04-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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