Dpc Components - Juniper MX480 Hardware Manual

Figure 30: DPC Installed Horizontally in the Router

DPC Components

Each DPC consists of the following components:
DPC cover, which functions as a ground plane and a stiffener.
Fabric interfaces.
Two Gigabit Ethernet interfaces that allow control information, route information, and statistics to be
sent between the Routing Engine and the CPU on the DPCs.
Two interfaces from the SCBs that enable the DPCs to be powered on and controlled.
Physical DPC connectors.
Two or four Packet Forwarding Engines.
Midplane connectors and power circuitry.
Processor subsystem, which includes a 1.2-GHz CPU, system controller, and 1 GB of SDRAM.
Online button—Takes the DPC online or offline when pressed.
LEDs on the DPC faceplate. For more information about LEDs on the DPC faceplate, see the
Interface Module Reference.
Two LEDs, located on the craft interface above the DPC, display the status of the DPC and are labeled
OK and FAIL.
SEE ALSO
DPC and MPC LEDs on the MX480 Craft Interface | 39
111
MX Series