Usg6550/6570; Device Overview - Huawei USG6000 Series Hardware Manual

Unified security gateway
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HUAWEI USG6000 Unified Security Gateway
Hardware Guide

1.2.2 USG6550/6570

The USG6550/6570 has only AC models and no DC models and provides one power module
and fixed ports by default. However, optional modules, such as an additional power module,
hard disks, and expansion cards, are supported.

1.2.2.1 Device Overview

The USG6550/6570 uses an integrated chassis that contains the fixed interface board, power
module, and fan module. You can also add some optional modules, such as hard disk,
additional power module, and expansion cards, to improve system reliability and add more
ports.
Appearance
Figure 1-31
Figure 1-31 USG6550/6570 appearance
Table 1-26
Table 1-26 Functions of USG6550/6570 components
Name
Fixed interface board
Issue 03 (2015-01-26)
illustrates the appearance of the USG6550/6570.
describes the functions of the USG6550/6570 components.
Description
The fixed interface board is the core component for system
control and management and provides the management,
forwarding, and control planes. The interface board also has an
intelligent awareness engine.
Management plane: provides ports for configuration, test,
and maintenance and implements such functions as running
status monitoring, environment monitoring, log and alarm
processing, system loading, and system upgrades.
Forwarding plane: parses and processes packets and
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