| WS-C4503-E Specification | 
		
			| Total number of slots | 3 | 
		
			| Line-card slots | 2 | 
		
			| Supervisor engine slots | 1 | 
		
			| Dedicated supervisor engine slot numbers | 1 | 
		
			| Supervisor engine redundancy | No | 
		
			| Supervisor engines supported | Supervisor Engines 8-E, 8L-E, 7-E, 7L-E, 6-E, and 6L-E | 
		
			| Maximum PoE per slot | 1500W | 
		
			| Bandwidth scalability per line-card slot | Up to 48 Gbps on all slots | 
		
			| Number of power supply bays | 2 | 
		
			| AC input power | Yes | 
		
			| DC input power | Yes | 
		
			| Integrated PoE | Yes | 
		
			| Minimum number of power supplies | 1 | 
		
			| Power supplies supported | 1000W AC 1400W AC 1300W ACV 2800W ACV 4200W ACV 6000W ACV 9000W ACV 1400W DC (triple input) 1400W-DC-P | 
		
			| Number of fan-tray bays | 1 | 
		
			| Location of 19-inch rack-mount | Front | 
		
			| Location of 23-inch rack-mount | Front (option) | 
		
			| Physical Specifications | 
		
			| Dimensions (H x W x D) | 12.25 x 17.31 x 12.50 in. (31.12 x 43.97 x 31.70 cm) | 
		
			| Rack units (RU) | 7RU | 
		
			| Chassis weight (with fan tray) | 32.25 lb (14.63 kg) | 
		
			| Mounting | 19- and 23-in. rack compatible (19-in. rack and cable guide hardware included) |