CHAPTER 3
Chassis Components and Descriptions
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MX480 Chassis Description on page 9
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MX480 Component Redundancy on page 11
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MX480 Router Hardware and CLI Terminology Mapping on page 12
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MX480 Craft Interface Description on page 14
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Alarm Relay Contacts on the MX480 Craft Interface on page 15
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Alarm LEDs and Alarm Cutoff/Lamp Test Button on the MX480 Craft
Interface on page 15
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MX480 Component LEDs on the Craft Interface on page 16
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MX480 Cable Management Brackets on page 19
MX480 Chassis Description
The router chassis is a rigid sheet metal structure that houses all the other router
components (see Figure 1 on page 10, Figure 2 on page 10, and Figure 3 on page 11). 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).
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