Figure 1-31
AC chassis
System Features
The USG9520 provides the following system features:
l
Distributed hardware-based forwarding
l
Separation of control and service channels for ensuring non-blocking of control channels
l
Carrier-class reliability and manageability
l
Modular-level shielding for meeting Electro Magnetic Compatibility (EMC)
requirements
l
Hot-swappable boards, power modules, and fans
l
MPUs in 1:1 backup mode
l
Backup for key components such as power modules, fan modules, clocks, and
management buses
l
Protection against misinsertion of boards
l
Queries about alarm prompts, alarm indications, running status, and alarm status of the
power supply
l
Queries about alarm prompts, alarm indications, running status, and alarm status of the
voltage and ambient temperature
1.3.2 USG9520 Components
This section describes the main components of the USG9520.
The USG9520 has AC and DC chassis models.
and
show the parts
show the parts in the AC chassis.
HUAWEI USG9500 Series
Hardware Guide
1 Hardware Overview
Issue 03 (2017-12-15)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
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