Juniper J4350 Getting Started Manual page 186

J4350 and J6350 Services Router Getting Started Guide
5.
6.
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NOTE: Each power supply must be connected to a dedicated DC power feed. For
information about connecting to DC power sources, see "Connecting Power"
on page 86.
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Figure 50: Installing a DC Power Supply
166
Replacing Hardware Components
Use a Phillips screwdriver to remove the clear plastic cover protecting the
terminal block.
Within the terminal block, remove the two center screws next to the labels
.
and
–48 VDC RTN
Each screw contains a captive washer to secure a power cable lug to the
terminal block.
Using one of the removed screws, secure the positive (+) DC source power
cable lug to the terminal. Tighten the screw until snug. Do not overtighten.
RTN
Apply between 8 lb-in. (0.9 Nm) and 9 lb-in. (1.02 Nm) of torque to the screw.
Using the other removed screw, secure the negative (–) DC source power cable
lug to the terminal. Tighten the screw until snug. Do not overtighten.
–48 VDC
Apply between 8 lb-in. (0.9 Nm) and 9 lb-in. (1.02 Nm) of torque to the screw.
Dress the power cables appropriately.
Replace the clear plastic cover over the terminal block.
Verify that the power cord does not block access to router components or
drape where people might trip on it.
Press and release the power button to power on the router. Verify that the
LED lights steadily after you press the power button.
POWER