Table of Contents
Advertisement
HUAWEI USG9500 Series
Hardware Guide
l
l
l
l
l
System Maintenance Unit
As the system maintenance unit, the MPU collects monitored information to test system units
locally or remotely, or implement in-service upgrading of system units.
The MPU periodically collects the operating data of system units through the Monitorbus.
The MPU generates related control information based on the collected information, such as
the detection of board installations and fan speed adjustments. Through the joint test action
group (JTAG) bus, the MPU remotely or locally tests system units, or performs in-service
upgrading of system units.
Reliability
The main control modules, clock modules, and LAN switch modules on the MPU work in 1:1
hot backup mode, improving system reliability.
The two MPUs work in 1:1 backup mode. Each MPU monitors the status of the other. If the
active MPU is faulty, the standby MPU automatically takes over as the active MPU.
1.1.8 Technical Specifications
This section describes the dimensions, weight, power, and environment specifications of the
USG9580.
Table 1-12
Table 1-12 USG9580 Technical Specifications
Item
System specifications
Processing unit of the
MPU
BootROM capacity of
the MPU
SDRAM capacity of the
MPU
Issue 03 (2017-12-15)
Route calculation: All routing protocol packets are sent by the forwarding engine to the
MPU for processing. In addition, the MPU broadcasts and filters packets, and downloads
routing policies from the policy server.
Outband communication between boards: The LAN switch modules integrated on the
SRU provide outband communications for the SFUs, LPUs and SPUs. In this manner,
messages can be controlled, maintained, and exchanged between the boards.
Device management and maintenance: Devices can be managed and maintained through
the management interfaces (serial interfaces) provided by the MPU.
Data configuration: The MPU stores configuration data, startup files, upgrade software,
and system logs.
Data storage: The MPU provides two interfaces for CF cards, which serve as mass
storage devices to store data files.
lists the technical specifications of the USG9580.
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
Description
Main frequency: 1.5 GHz
8 MB
4 GB
1 Hardware Overview
26
Advertisement
Table of Contents
