Removing The T1600 Dc Power Supplies - Juniper T1600 Hardware Manual

Removing the T1600 DC Power Supplies

Copyright © 2010, Juniper Networks, Inc.
Removing the T1600 Front Cable Management System on page 109
7.
Removing the T1600 Standard Front Fan Trays on page 110
8.
9. Removing the T1600 FPCs on page 110
The power supplies are located at the rear of the chassis below the SIBs. Each three-input
240-A power supply weighs approximately 25 lb (11.3 kg). Each four-input 240-A power
supply weighs approximately 26.6 lb. (12.0 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 breakers 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
4.
unseat the power supply.
Grasp the handle on the power supply faceplate and pull firmly to start removing the
5.
power supply. Slide it halfway out of the chassis (see Figure 61 on page 103).
Place one hand underneath the power supply to support it and slide it completely out
6.
of the chassis.
CAUTION: Be prepared to support the full weight of the power supply as
you remove it from the router.
Repeat the procedure for the other power supply.
7.
Figure 61: Removing a Three-Input 240-A Power Supply Before Installing
the Router
Chapter 10: Installing the T1600 Router Without a Mechanical Lift
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103