PAC STORAGE PS 4000 Gen2 Series, Руководство по оборудованию

Страница: 19 / 108

PS 4000 Gen2 Series Hardware Manual 1-7
1.2.3 Internal Backplane
The internal backplane is a circuit board that separates the front and rear parts of the chassis. This
board provides logic level signals and low voltage power paths. The thermal sensors and I2C devices
are embedded to detect system temperatures and PSU operating status. This board is comprised of non
user-serviceable components.
WARNING!
• Accessing the backplane board may lead to serious damage to the system.
• Physical contact with the backplane board may cause electrocution.
1.3 Front Panel Components
This section describes the front panel components of PS 4000 Gen2 Series systems.
1.3.1 LEDs and Button Panel
The LEDs on the panels allow you to know your
system’s current status when turned on, while the
buttons have a specific function that you can set.
2U Systems 3U System 4U System
Number Part Description
Service LED
This LED provides the status when the system requires service or
currently in service.
Power LED
This LED provides the status of the system’s power.
Cooling Module
LED
This LED provides the cooling module’s status.
Temperature
LED
This LED provides the system’s temperature status.
System LED
This LED provides the system’s operation status.
Mute Button/
Service LED This button mutes the alarm while the embedded Service LED
notifies you that the system requires service.