Juniper BT8A78CH1, Hardware Overview And Installation Manual

Page: 87 / 228

•
For balance, two people are needed if the chassis is not being seated on a rack shelf.
One person should be positioned at the center front of the chassis and the other at
the center back.
4.
Align the chassis mounting bracket holes with the rack post holes.
5.
Insert each screw, loosely, through the lock washer then the flat washer, through the
bracket, and finally into the rack post holeone screw in the top bracket hole on each
side, and one screw in the bottom bracket hole on each side. When all the screws are
in place, tighten the screws into the rack post.
6.
Verify that the chassis is properly placed in the rack, and check each screw to ensure
it is securely tightened.
You have successfully completed this procedure.
Rack-Mounting the BTI7801 Chassis
Table 36: Rack-Mounting Considerations
Support Measurement
ANSI 19 in
ETSI 600 mm
ANSI 23 in
Rack size
ANSI 19 in
ETSI 600 mm x 800 mm
NOTE: Ensure the selected cabinet has sufficient depth to
accommodate the BTI7801.
Cabinet size
For rack stabilization, load the rack from the bottom up with
the heaviest chassis at the bottom.
Chassis placement in rack
Up to 42 BTI7801 chassis can be installed in a standard 42U
server rack. There are no vertical spacing requirements for the
amount of space between chassis.
Number of chassis in a rack
Installation Tools and Kits
• Number 2 Phillips screwdriver
•
10-mm socket wrench
•
Chassis Installation Kit (BT8A7865)
• BTI7801 Chassis Support Bracket Kit (BT8A78SSB3) - for use in 4-post 19-inch and
ETSI 600-mm cabinets
87 Copyright © 2019, Juniper Networks, Inc.
Chapter 4: Installing the BTI7800 Series Chassis