HP Performance Optimized Datacenter 20c User Guide - China

Life safety systems 17
Item Component Indicator Color Description
7
EPO reset button — Resets the EPO system when pressed
EPO modes
The EPO system has three operating modes:
• Armed—The EPO system is armed and operational.
• Test—The EPO system is in test mode and does not initiate during events that normally trigger an EPO.
• Bypass—The EPO system is non-operational and does not initiate during events that normally trigger an
EPO.
EPO accidental activation
To help prevent accidentally pressing the EPO button and activating the EPO system, each EPO button is
covered with a clear Lexan cover.
Battery backup during an EPO event
The following components are equipped with a UPS to ensure that service is not interrupted during a loss of
power to the HP POD 20c:
• ECS system
• VESDA air sampling smoke detection system
• Optional fire suppression system
• Emergency lighting in the HP POD 20c
Fire protection system
Each HP POD 20c is equipped with a fire alarm panel that is integrated with the fire detection system and the
optional fire suppression system.
The fire system is designed as a stand-alone system, but can also interface with customer site fire alarm
systems. Customer site connections are the responsibility of the customer. Consult with HP for connection
locations.
The fire protection system includes:
• Manual fire pulls (on page 17)
• Fire alarm indicators (on page 18)
• VESDA air sampling smoke detection system (on page 18)
• (Optional) Fire suppression system (on page 19)
Manual fire pulls
The HP POD 20c includes one fire pull located next to the ECS cabinet door.