WARNING: Before you proceed:
•
Do not work alone.
•
The chassis must be grounded to the frame in which it is mounted.
•
The power source to which you are connecting the chassis must be powered
off.
•
The circuit breaker switch, to which the power source is wired, must be
shut off.
•
Locate the emergency power-off switch for the location in which you are
working.
•
Do not overload the power source to which you are connecting the chassis.
•
Check your work area for possible hazards, such as ungrounded power
extension cables and moist floors.
•
Remove all jewelry, neckties, and scarves.
•
Use appropriate caution. This documentation does not cover every potential
hazardous condition.
Installation Tools and Kits
•
Multimeter
•
A set of power cables that meets the requirements specified in “BTI7814 AC PEM
Specifications” on page 46
Procedure
1. Verify that there is no power going to the chassis.
2. Verify that the chassis is properly grounded. For information on frame-grounding the
chassis, refer to “Frame-Grounding a BTI7814 Chassis” on page 89.
3. Ensure the power switch on the AC PEM housing for each rectifier is off.
4. Attach the AC power cables to the AC receptacles on the housing.
5. To prevent the power cables from being accidentally disconnected, attach the power
cables to the cable strain relief clips.
The AC PEM housing is shipped with individual cable strain relief clips that hold the
power cables firmly in place. These clips can be used for both straight and right-angle
connectors.
a. Attach the cable strain relief clips to the AC PEM housing.
The housing has four holes designed to hold the four clips in place.
Copyright © 2019, Juniper Networks, Inc.98
BTI7800 Series Hardware Overview and Installation Guide
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