T640 Power System Description
The T640 Core Router supports either:
- Two Two-input 160-A DC power supplies OR
- Two Three-input 240-A DC power supplies in 2-input mode
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Note: Mixing a two–input 160–A power supply and three–input 240–A power supply in the same router is supported only during upgrade. Mixing different types of power supplies is not supported during normal operations. |
For power specifications for the system, power supplies, and power cables, see the T640 Power System Electrical Specifications .






