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M10i PIC Overview

This guide provides an overview and description of the Physical Interface Cards (PICs) supported by the Juniper Networks M10i Internet router. The PICs are described alphabetically. Table 1 lists the PICs supported by the M10i router.

PICs provide the physical connection to various network media types. The PICs are inserted into a slot in a router. You can install PICs of different media types on the same router as long as the router supports those PICs.

PICs receive incoming packets from the network and transmit outgoing packets to the network. During this process, each PIC performs framing and high-speed signaling for its media type. Before transmitting outgoing data packets, the PICs encapsulate the packets received. Each PIC is equipped with a media-specific ASIC that performs control functions tailored to the PIC's media type.


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