Juniper BT8A78CH1, Обзор оборудования и руководство по установке

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If you are mounting multiple BTI7801 chassis, one on top of the other, only the bottom
BTI7801 chassis requires the support bracket. The support bracket should not be used
if you are mounting the BTI7801 directly on top of other equipment.
7.
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.
Grounding the Chassis
• Frame-Grounding a BTI7814 Chassis on page 89
• Frame-Grounding a BTI7802 Chassis on page 90
•
Frame-Grounding a BTI7801 Chassis on page 92
Frame-Grounding a BTI7814 Chassis
The BTI7814 uses DC-I grounding configuration with the return ground isolated from the
frame ground.
WARNING: You must complete this procedure before connecting power and
powering on the chassis. The chassis voltage is considered hazardous.
NOTE: NEBS Compliance Statements for GR-1089:
•
Only copper cables are to be used for grounding purposes.
• The grounding conductor AWG size should match the size of the power
cable AWG.
•
Bare conductors must be coated with antioxidant before crimp connections
are made.
Installation Tools and Kits
•
Number 1 and Number 2 Phillips screwdrivers
• 10 mm nut-driver
• Wire stripping and crimping tool
•
Multimeter
•
Chassis Installation Kit (BT8A7865)
• Chassis Crimp Lug Installation Kit (BT8A7867)
• A grounding cable that is at least the same size as the power cable. The dual stud lugs
supplied in the Chassis Crimp Lug Installation Kit are for use with 2 AWG cables. The
2 AWG lugs can crimp down to 4AWG.
89 Copyright © 2019, Juniper Networks, Inc.
Chapter 4: Installing the BTI7800 Series Chassis