Cisco Systems Cisco 12008 manual Block Diagram of the OC-12c/STM-4c POS Line Card

Overview of the Cisco 12008

Figure 1-18 Block Diagram of the OC-12c/STM-4c POS Line Card

Input interface

Output interface

Packet receive (Rx)

Forwarding

processor

Packet

transmit

(Tx)

Burst buffer

L3 switching accelerator

Burst buffer

	MBus	MBus
Buffer	module	interface
memory
Silicon
queuing
engine
	Switch	Switch
	fabric
		fabric
Silicon	interface
queuing
engine		H11725
Buffer
memory

Product Overview 1-61