Ac Power Supply Load Sharing And Fault Tolerance; Figure 43: Three-Phase Wye Ac Power Supply; Figure 44: Three-Phase Wye Ac Power Supply Connections; Figure 45: Wye Three-Phase Ac Power Cord - Juniper T640 Hardware Manual

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Figure 43: Three-Phase Wye AC Power Supply

Figure 44 on page 73
shows the three-phase wye AC power supply connections.

Figure 44: Three-Phase Wye AC Power Supply Connections

Figure 45 on page 73
shows the three-phase wye AC power cord.

Figure 45: Wye Three-Phase AC Power Cord

AC Power Supply Load Sharing and Fault Tolerance

When the router is operating normally and both power supplies are switched on, load
sharing between them occurs automatically. When one power supply fails or is turned
Chapter 3: T640 Router Hardware Component Overview
L1
L2 L3
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73

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