Juniper EX8208 Complete Hardware Manual page 199

Copyright © 2010, Juniper Networks, Inc.
Ensure that you have the following parts and tools available to connect DC power to an
EX8200 switch:
Electrostatic discharge (ESD) grounding strap
DC power source cables (not provided) with the cable lugs (provided) attached.
The provided cable lugs in an EX8208 switch are sized for 6 AWG (13.3 mm
source cables. The DC power source cables that you provide must be 6 AWG (13.3
2
mm ), minimum 60°C wire. We recommend that you install heat-shrink tubing
insulation around the power cables and lugs.
The provided cable lugs in an EX8216 switch are sized for 2 AWG (33.6 mm
source cables. The DC power source cables that you provide must be 2 AWG (33.6
2
mm ), minimum 60°C wire. We recommend that you install heat-shrink tubing
insulation around the power cables and lugs.
3/8 in. (9.5 mm) nut driver or socket wrench
Phillips (+) screwdriver, number 2
Multimeter
WARNING: Ensure that the power cords do not block access to switch
components or drape where people can trip on them.
To connect DC power to an EX8200 switch:
Attach the electrostatic discharge (ESD) grounding strap to your bare wrist, and
1.
connect the strap to the ESD point on the chassis.
Flip the Enable switch on the power supply faceplate to the Standby position.
2.
NOTE: It might be necessary to slide each power supply partially out of
the chassis, in order to easily connect the DC power source cables to the
DC power input terminals. See "Removing a DC Power Supply from an
EX8200 Switch" on page 207.
Remove the plastic cable cover from the DC power input terminals, using the number
3.
2 Phillips (+) screwdriver to loosen the screw (see Figure 68 on page 174).
Chapter 10: Connecting the Switch
2
) power
2
) power
173