Table 18: BTI7814 14-Slot Chassis DC Power Entry Module (BT8A78PEM3-DC) Specifications (continued)
SpecificationItem
DescriptionStateColorNameLEDLEDs
Normal operation.OffRedFuses 1 to 6Ch 1 to 6
Fuse is blown or not present.On
Input power is lost.Blinking
Normal operation.OnGreenActiveACT
Normal operation.OffBlueHot SwapH/S
The power circuit is still active
and starting to shut down.
Blinking
The PEM is ready to be
removed.
On
Normal operation.OffRedReverse
voltage
REV
The wiring is reversed.On
1
Before using for planning or implementation purposes, contact Juniper Networks Support to confirm the power consumption
values.
2
Input voltages outside this range might cause the chassis to operate unpredictably.
NOTE: The REV LED indicates red to alert the installer that the chassis has
been wired in reverse polarity. The installer should switch the power OFF on
the chassis and rewire the positive and negative connections to the correct
power terminals.
BTI7814 AC PEM
The BTI7814 chassis can be powered by four fan-cooled 2900W (53.5V) AC Rectifier
Modules (BT8A78ACM1). The four rectifier modules and the housing are included when
you order the chassis with the AC option (BT8A78CH14-KIT2-AC, BT8A78CH14-KIT3-AC).
It is recommended that you install your chassis with all four rectifiers.
NOTE: The BTI7814 chassis can also be powered by an external rectifier. For
information on the external, standalone, Power-One
®
rack-mounted 1U
rectifier, see “AC Rectifier” on page 203.
Copyright © 2019, Juniper Networks, Inc.44
BTI7800 Series Hardware Overview and Installation Guide
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