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T320 FPC Components
Each T320 FPC has the following components:
- FPC card carrier
- One Packet Forwarding Engine, which has Layer 2/Layer
3 Packet Processing ASICs, Switch Interface ASICs, T-series Internet
Processor ASICs, and a memory subsystem (MMB), which includes the
Queuing and Memory Interface ASICs
- Processor subsystem (PMB), which has a 300-MHz CPU, a
system controller, 256 MB of SDRAM, and two Fast Ethernet interfaces
- FPC offline button, which is on the craft interface above
the FPC
- On Type 1 FPCs, two PIC offline buttons, which are above
the PIC slots on the FPC (see Figure 19)
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