Juniper Networks MX480 - Manual (Page 127)

CHAPTER 10
Grounding and Providing Power to the
MX480 Router
• Tools and Parts Required for MX480 Router Grounding and Power
Connections on page 103
• Grounding the MX480 Router on page 104
• Connecting Power to an AC-Powered MX480 Router with Normal-Capacity Power
Supplies on page 105
• Installing the MX480 AC High-Capacity Power Supplies on page 106
• Powering On an AC-Powered MX480 Router on page 107
• Connecting Power to a DC-Powered MX480 Router with Normal Capacity Power
Supplies on page 108
• Installing an MX480 DC High-Capacity Power Supply on page 111
• Powering On a DC-Powered MX480 Router on page 113
• Powering Off the MX480 Router on page 115
Tools and Parts Required for MX480 Router Grounding and Power Connections
To ground and provide power to the router, you need the following tools and parts:
• Phillips (+) screwdrivers, numbers 1 and 2
• 2.5-mm flat-blade (–) screwdriver
• 7/16-in. (11 mm) hexagonal-head external drive socket wrench, or nut driver, with a
torque range between 23 lb-in. (2.6 Nm) and 25 lb-in. (2.8 Nm) tightening torque, for
tightening nuts to terminal studs on each power supply on a DC-powered router.
• Wire cutters
• Electrostatic discharge (ESD) grounding wrist strap
CAUTION: The maximum torque rating of the terminal studs on the DC power
supply is 36 lb-in. (4.0 Nm). The terminal studs may be damaged if excessive
torque is applied. Use only a torque-controlled driver or socket wrench to
tighten nuts on the DC power supply terminal studs. Use an
103 Copyright © 2013, Juniper Networks, Inc.