Juniper Networks J4350 - Manual (Page 186)

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