Cisco Systems Cisco 12008 manual Block Diagram of the Quad OC-3c/STM-1c POS Line Card

Overview of the Cisco 12008

Input interfaces

Output interfaces

Figure 1-16 Block Diagram of the Quad OC-3c/STM-1c POS Line Card

					MBus	MBus
Packet				Buffer	module	interface
			Burst
	Reassembly			memory
receive
			buffer
(Rx)
				Silicon
				queuing
				agent	Switch
Forwarding		L3 switching				Switch
					fabric
processor		accelerator		Silicon	interface	fabric
				queuing
				agent		H11726
Packet	Segmen-		Burst
transmit				Buffer
	tation		buffer
(Tx)
				memory

1-56Cisco 12008 Gigabit Switch Router Installation and Configuration Guide