Hardware Component Locations in the SRX3600 Services Gateway Chassis | 22
SRX3600 Services Gateway AC Power Supply Electrical Specifications | 75
SRX3600 Services Gateway DC Power Supply Overview
In a DC power configuration, the services gateway contains two to four DC power supplies, located at the
rear of the chassis in slots PEM0 through PEM3. Each power supply provides power to all components in
the services gateway. The power supplies share power almost equally within a fully populated system.
Two power supplies are required to meet the services gateway power requirements. Installing a third or
fourth DC power supply provides full power redundancy. If one power supply fails or is removed, the
remaining power supplies redistribute the electrical load without interruption. The services gateway
reassesses the power required to support its configuration and issues errors if the available power is
insufficient.
Two types of DC power supply are available. The standard DC power supply has a maximum power output
of 850 W. The enhanced DC power supply has a maximum power output of 1200 W, and also has additional
filters required to meet NEBS and ETSI requirements. The two types of DC power supply are identical in
all other respects.
NOTE: Mixing standard and enhanced DC power supplies within the same chassis is not supported.
All installed DC power supplies must be either of standard or enhanced types.
Figure 33: DC Power Supply
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SRX3600 Services Gateway Chassis | 21
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