Cisco7603 and Cisco7603-S routers

Supervisor engines

Both, the Cisco7603 and the Cisco7603-S router have three horizontal slots being numbered from top to bottom.
While slot 1 is reserved for the supervisor engine, slot 2 can contain an optional redundant supervisor engine.
When installing a redundant supervisor engine, both supervisor engines must be identical.
The GBIC uplink ports are fully functional on the redundant supervisor engine in stand by

===Supported supervisor engines in the Cisco7603 router===

• Supervisor engine 2
  

such as:

• • WS-X6K-S2-PFC2
    
  • WS-X6K-S2-MSFC2
    
  • WS-X6K-S2U-MSFC2
    
• Supervisor engine 720
  

such as:

• • WS-SUP720
    
  • WS-SUP720-3B
    
  • WS-SUP720-3BXL
    

While being supported in the WS-C6503 and WS-C6503-E chassis, the supervisor engine 32 is not supported in the ciso7603 router

====Supported supervisor engines in the Cisco7603-S router====