Removing T320 Components From The Chassis; Removing The T320 Power Supplies - Juniper Core Router T Series Hardware Manual

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Removing T320 Components from the Chassis

Removing the T320 Power Supplies

Copyright © 2018, Juniper Networks, Inc.
Phillips (+) screwdrivers, numbers 1 and 2
Flat-blade (–) screwdriver, number 1
7/16-in. socket wrench
3/8-in. nut driver
ESD grounding wrist strap
T320 Router Installation Summary on page 107
To make the T320 router light enough to install manually, you first remove most
components from the chassis. The procedures in this section for removing components
from the chassis are for initial installation only, and assume that you have not connected
power cables to the router. The following procedures describe how to remove components
from the chassis, first from the rear and then from the front:
Removing the T320 Power Supplies on page 131
1.
Removing the T320 SIBs on page 132
2.
Removing the T320 Control Boards on page 133
3.
Removing the T320 SCGs on page 134
4.
5. Removing the T320 Rear Fan Tray on page 135
Removing the T320 Cable Management System on page 137
6.
Removing the T320 FPCs on page 137
7.
The power supplies are located at the rear of the T320 chassis below the SIBs. Each
power supply weighs approximately 12 lb (5.4 kg).
To remove the power supplies, starting with the upper power supply:
Attach an electrostatic discharge (ESD) grounding strap to your bare wrist, and connect
1.
the strap to an approved site ESD grounding point. See the instructions for your site.
Switch the circuit breaker on the power supply faceplate to the off position (
2.
recommend this even though the power supplies are not connected to power sources.
Loosen the captive screws on the lower corners of the power supply faceplate
3.
completely. Twist the ejector handles on the upper corners of the faceplate
counterclockwise to unseat the power supply.
Twist the ejector handles on the upper corners of the faceplate counterclockwise to
4.
unseat the power supply.
Chapter 18: Installing the T320 Without a Mechanical Lift
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