Juniper QFX3500, Техническая документация

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NOTE:
To ensure that the protective earthing terminal is accessible through the opening in the rear
mounting-blade:
•
Ensure that the rack is 27.5 in. (70 cm) through 30.5 in. (77.5 cm) deep if you are mounting
the switch flush with the rack front on four posts of a rack.
•
Ensure that the rack is 29.5 in. (75 cm) through 32.5 in. (82.5 cm) deep if you will mount the
switch 2 in. recessed from the rack front.
Before mounting the switch on four posts of a rack:
•
Verify that the site meets the requirements described in “Site Preparation Checklist for EX4300 Switches”
on page 97 .
•
Place the rack in its permanent location, allowing adequate clearance for airflow and maintenance, and
secure it to the building structure.
•
Read “General Safety Guidelines and Warnings” on page 203 , with particular attention to Chassis and
Component Lifting Guidelines.
•
Remove the switch from the shipping carton (see “Unpacking an EX4300 Switch” on page 354 ).
Ensure that you have the following parts and tools available:
•
Phillips (+) screwdriver, number 2 (not provided)
•
6 flat-head 4-40 Phillips mounting screws (provided with the four-post rack-mount kit)
•
12 flat-head 4x6-mm Phillips mounting screws (provided with the four-post rack-mount kit)
•
One pair each of flush or 2-in.-recess front-mounting brackets (provided with the four-post rack-mount
kit)
•
One pair of side mounting-rails (provided with the four-post rack-mount kit)
•
One pair of rear mounting-blades (provided with the four-post rack-mount kit)
•
Screws to secure the chassis and the rear mounting-blades to the rack (not provided)
•
Cover panels for uplink module and power supply slots (provided)
NOTE: One person must be available to lift the switch while another secures it to the rack.
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