Understanding Normal-Capacity Power System Power Zones; Psm Slots; Normal-Capacity Power Zones And Psm Fault Tolerance; Table 29: Components Powered By Each Zone - Juniper PTX5000 Hardware Manual

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Documentation

Understanding Normal-Capacity Power System Power Zones

Understanding Normal-Capacity Power System Power Zones on page 71

PTX5000 DC Power System Description on page 33

PTX5000 Power Distribution Unit LEDs on page 56

Maintaining the PTX5000 Power System on page 492

Troubleshooting the PTX5000 Power System on page 535

PSM Slots on page 71

Normal-Capacity Power Zones and PSM Fault Tolerance on page 71

There is no power zoning in the High Capacity power system.

The PTX5000 normal-capacity power system has up to eight power supply modules

(PSMs), located in the lower front of the chassis below the FPC card cage. The PSMs

insert into one of four slots—labeled

. For full power redundancy, a minimum number of PSMs must be installed

and fully operational:

For full power redundancy, six PSMs are required to support up to four FPCs.

For full power redundancy, all eight PSMs are required to support five or more FPCs:

The normal-capacity power system contains three power zones.

describes which components are powered by each zone and PSM.

Table 31 on page

Table 32 on page 73

Chapter 4: Power System Components and Descriptions

—located in the rear of each PDU labeled

describe the fault tolerance for each zone.

Table 29 on page 71

Table 30 on page

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