User Manual

MX Series MPCs
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MX Series MPC Overview on page 73
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MPCs Supported by MX240, MX480, and MX960 Routers on page 74
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16x10GE MPC on page 75
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MPC1 on page 77
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MPC1E on page 78
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MPC1 Q on page 79
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MPC1E Q on page 80
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MPC2 on page 81
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MPC2E on page 82
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MPC2 Q on page 83
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MPC2E Q on page 84
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MPC2 EQ on page 85
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MPC2E EQ on page 86
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MPC2E P on page 87
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MPC3E on page 88
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MX240, MX480, and MX960 MPC Protocol and Application Support on page 89
MX Series MPC Overview
Modular Port Concentrators (MPCs) provide packet forwarding services. The MPCs are
inserted into a slot in an MX240, MX480, or MX960 router. Modular Interface Cards
(MICs) provide the physical interfaces and install into the MPCs. You can install up to
two MICs of different media types in the same MPC as long as the MPC supports those
MICs.
A specialized fixed configuration MPC provides higher port density over MICs and combines
packet forwarding and Ethernet interfaces onto a single line card. The fixed configuration
MPC is inserted into a slot in a router and contains no slots for MICs.
MICs receive incoming packets from the network and transmit outgoing packets to the
network. During this process, each MIC performs framing and high-speed signaling for
its media type. Before transmitting outgoing data packets through the MIC interfaces,
the MPCs encapsulate the packets received. Each MPC is equipped with up to four Junos
Trio chipsets, which perform control functions tailored to the MPC’s media type.
You must install a high-capacity fan tray to use an MPC. The maximum number of
supported MPCs varies per router and hardware configuration:
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MX960 router—Up to 12 MPCs (For power requirements, see Calculating Power
Requirements for MX960 Routers.)
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MX480 router—Up to 6 MPCs (For power requirements, seeCalculating Power
Requirements for MX480 Routers.)
73Copyright © 2013, Juniper Networks, Inc.
MX Series MPCs