Juniper E SERIES BROADBAND SERVICES ROUTERS 11.3.X - ERX HARDWARE GUIDE REV 26-9-2010 Hardware Manual page 60

ERX 11.3.x Hardware Guide
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Enter the halt command.
1.
See JunosE System Basics Configuration Guide, Chapter 6, Managing Modules for
information about the halt command.
WARNING: Turn off the router before you install the redundancy midplane.
Working inside the router when it is on can lead to electric shock and
serious burns.
Turn off the power switches located on the power input module in the rear of the
2.
system (Figure 22 on page 45).
Remove the I/O modules from the slots that the redundancy midplane will span.
3.
Place the redundancy midplane in the chassis so that it rests against the guides below
4.
the chassis midplane (Figure 22 on page 45).
Align the screw holes in the redundancy midplane with the screw holes in the guides
5.
so that the midplane covers the slots for the redundancy group.
Using a No. 2 Phillips screwdriver and the screws provided, loosely attach, but do not
6.
tighten, the redundancy midplane to the guides.
Carefully insert an I/O module in one slot to ensure that the redundancy midplane is
7.
aligned correctly; then tighten the screws.
CAUTION: Do not overtighten the screws.
CAUTION: A misaligned redundancy midplane can result in bent pins on
the backplane and midplane and poor contact between the I/O modules
and the redundancy midplane.
Copyright © 2010, Juniper Networks, Inc.