Juniper-networks MX480 Uživatelský manuál Strana 31

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CHAPTER 2
MX480 Hardware Components
MX480 Chassis Description on page 7
MX480 Midplane Description on page 9
MX480 Dense Port Concentrator (DPC) Overview on page 10
MX480 Modular Port Concentrator (MPC) Overview on page 13
MX480 Modular Interface Card (MIC) Overview on page 15
MX480 Flexible PIC Concentrator (FPC) Overview on page 16
MX480 PIC Overview on page 19
MX480 Application Services Modular Line Card (AS MLC) Overview on page 20
MX480 Application Services Modular Storage Card Overview on page 23
MX480 Application Services Modular Processing Card Overview on page 24
MX480 Host Subsystem Overview on page 25
MX480 Switch Control Board (SCB) Overview on page 26
MX480 Routing Engine Overview on page 32
MX480 Craft Interface Overview on page 36
MX480 Power Supply Overview on page 41
MX480 Cooling System Overview on page 47
MX480 Cable Management Brackets on page 49
MX480 Chassis Description
The router chassis is a rigid sheet metal structure that houses all the other router
components (see Figure 1 on page 8, Figure 2 on page 8, and Figure 3 on page 9). The
chassis measures 14.0 in. (35.6 cm) high, 17.45 in. (44.3 cm) wide, and 24.5 in. (62.2 cm)
deep (from the front to the rear of the chassis). The chassis installs in standard 800-mm
(or larger) enclosed cabinets, 19-in. equipment racks, or telco open-frame racks. Up to
five routers can be installed in one standard 48-U rack if the rack can handle their
combined weight, which can be greater than 818 lb (371.0 kg).
7Copyright © 2013, Juniper Networks, Inc.
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