Replacing A Fuse; Figure 105: Connecting Power And Grounding Cables - Juniper Internet Router M160 Hardware Manual

M160 Internet Router Hardware Guide
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Figure 105: Connecting Power and Grounding Cables

Nut
Cable lug

Replacing a Fuse

To replace a fuse, follow this procedure (see Figure 106):
204
Replacing Power System Components
Connect the positive (+) source cable lugs to the return terminals,
which are labeled
Connect the negative (–) source cable lugs to the input terminals, which
are labeled .
–48V
Install another washer and nut (in that order) on each terminal stud to secure
the power cable lug. Using a 7/16-in. nut driver or wrench, tighten the nuts.
Verify that the source power cabling and the grounding cabling are correct, that
they are not touching or blocking access to router components, and that they
do not drape where people could trip on them.
Replace the protective shield over the terminal studs and use a Phillips
screwdriver to tighten the screws.
Turn on the current from the power source so that voltage flows to the router.
Flat washer
Nut
Flat washer
Terminal studs
.
RTN(+)
Grounding
points
To ground