Juniper-networks J4350 Manual do Utilizador descarregar pdf (Página 186)

J4350 and J6350 Services Router Getting Started Guide

5. Use a Phillips screwdriver to remove the clear plastic cover protecting the

terminal bl oc

6. Within the terminal block, remove the two center screws next to the labels

–48 VDC and RTN

Eachscrewcontainsacaptivewashertosecureapowercablelugtothe

terminal bl oc

7. Usingoneoftheremovedscrews,securethepositive(+)DCsourcepower

cable lug to t

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 oth

er removed screw, secure the negative (–) DC source power cable

lug to the

–48 VDC terminal. Tighten the screw until s nug. 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 conn ectin g to DC power sources, see “Connecting Power”

on page 86.

9. Dress the powe r cables appropriately.

10. Replace the clear plastic cover over the terminal b lock.

11 . Verify that t

he power cord does not block access to router components or

drape w here people might trip on it.

12. Press and re

lease the power button to power on the router. Veri fy that the

POWER LED lights steadily after you press the power button.

Figure 50: Installing a DC Power Supply

g003813

166 Replacing Hardware Components

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Juniper-networks J4350 Manual do Utilizador Página 186