Figure 6: Typical Dpcs Supported On The Mx240 Router; Figure 7: Dpc Installed Horizontally In The Mx240 Router - Juniper MX240 Hardware Manual

Chapter 2: Hardware Components
Engine downloads the DPC software, the DPC runs its diagnostics, and the Packet
Forwarding Engines housed on the DPC are enabled. Forwarding on other DPCs
continues uninterrupted during this process. For DPC replacement instructions, see
"Replacing a DPC" on page 106.
If a slot is not occupied by a DPC or SCB, a blank panel must be installed to shield
the empty slot and to allow cooling air to circulate properly through the router.
Figure 6 on page 9 shows typical DPCs supported on the MX240 router. For more
information about DPCs, see the MX-series Ethernet Services Router DPC Guide.

Figure 6: Typical DPCs Supported on the MX240 Router

Figure 7: DPC Installed Horizontally in the MX240 Router

9
Dense Port Concentrators (DPCs)