Juniper E-Series Installation And User Manual page 74

5-14 CHAPTER 5
Installing Modules
Warning: Turn off the E-series router before you install the redundancy midplane.
Working inside the router when it is on can lead to electric shock and serious
burns.
2
Turn off the power switches located on the power input module in
the rear of the system (see
3
Remove the I/O modules from the slots that the redundancy
midplane will span.
4
Place the redundancy midplane in the chassis so that it rests against
the guides below the chassis midplane (see
5
Align the screw holes in the redundancy midplane with the screw
holes in the guides so that the midplane covers the slots for the
redundancy group.
6
Using a Phillips screwdriver and the screws provided, loosely attach,
but do not tighten, the redundancy midplane to the guides.
7
Carefully insert an I/O module in one slot to ensure that the
redundancy midplane is aligned correctly; then tighten 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.
Figure 5-7).
Figure 5-7).