Cisco 6503 and Cisco 6503-E

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Supervisor engines

Both, the Cisco6503 and the Cisco6503-E switch have three horizontal slots being numbered from 1 (top) to 3 (bottom)

Supported supervisor engines in the Cisco6503 switch

  • Supports Supervisor Engine 2
    • Supervisor engines are installed in slot 1 and slot 2.
  • Supervisor Engine 32 and Supervisor Engine 720.
    • Using a Supervisor Engine 32 or a Supervisor Engine 720 requires that you install the optional high-speed fan tray.


Note: Redundant supervisor engines must be configured identically.

Supported supervisor engines in the Cisco6503-E switch

  • Supports Supervisor Engine 2
  • Supervisor Engine 32
  • Supervisor Engine 720.


Note: Redundant supervisor engines must be configured identically.

Fan trys

Supported Fan trays in the 6503 series

  • Standard Fan try
    • FAN-MOD-3
  • High-speed fan tray
    • FAN-MOD-3HS


Note Both fan tray models contain four individual fans. The individual fans are not field replaceable; you must replace the fan tray.

Supported Fan trays in the 6503-E series

  • WS-C6503-E-FAN


Note The fan tray contains four individual fans. The individual fans are not field replaceable; you must replace the fan tray.

Power supplies and power entry modules

Both, the Cisco 6503 and the Cisco 6503-E switch have two power supply slots on the back of the chassis, with the power supply 1 being installed on the bottom and the optional redundant power supply 2 being installed in the upper of the two slots.

Supported spower supplies in the Cisco 6503 switch

  • 950 W AC-input power supply
    • PWR-950-AC

!!! Note: the power entry module PEM-15A-AC is needed when using a PWR-950-AC. You need one PEM-15A-AC per PWR-950-AC.

  • 950 W DC-input power supply
    • PWR-950-DC

!!! Note: the power entry module PEM-DC/3 is needed when using a PWR-950-DC. You need one PEM-DC/3 per PWR-950-DC.

  • 1400 W AC-input power supply
    • PWR-1400-AC

!!! Note: the power entry module PEM-20A-AC+ is needed when using a PWR-1400-AC. You need one PEM-20A-AC+ per PWR-1400-AC.

Supported spower supplies in the Cisco 6503-E switch

  • 950 W AC-input power supply
    • PWR-950-AC

!!! Note: the power entry module PEM-15A-AC is needed when using a PWR-950-AC. You need one PEM-15A-AC per PWR-950-AC.

  • 950 W DC-input power supply
    • PWR-950-DC

!!! Note: the power entry module PEM-DC/3 is needed when using a PWR-950-DC. You need one PEM-DC/3 per PWR-950-DC.

  • 1400 W AC-input power supply
    • PWR-1400-AC

!!! Note: the power entry module PEM-20A-AC+ is needed when using a PWR-1400-AC. You need one PEM-20A-AC+ per PWR-1400-AC.

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