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Table 19: BTI7814 AC Power Entry Module (BT8A78ACM1) Specifications (continued)
Specification
Item
100 to 250 VAC (50/60 Hz)
NOTE:
When running at input voltages below 180 VAC, the chassis must be equipped with all
four AC PEMs.
Input Range
2
20 A
External Breaker
The power cord is not supplied by Juniper Networks.
NOTE:
The power cord must be installed by a qualified electrician. The cord set must be
certified to the following CSA/UL standards:
•
CSA C22.2 No. 21 Cord Sets and Power Supply Cords ("solid green" protective earthing
conductor acceptable)
•
UL 817 Cord Sets and Power-Supply Cords ("solid green" protective earthing conductor
acceptable)
Power Cable
12 AWG SJT
Gauge
IEC C21
Receptacle (to chassis)
110 V supply
3
: IEC 5-20
240 V supply: IEC 6-20
Plug (to power source)
Description
State
Name
LED
LEDs
AC FAIL. The input AC voltage
is not in range for normal PEM
operation.
Off
AC OK
LED (top)
AC OK. The input AC voltage is
in range for normal PEM
operation.
4
Green
A problem has caused the
rectifier to go into protection
state. The DC output is shut
down.
Red
Normal operation.
Off
Trouble
LED (bottom)
Internal communication is lost.
5
Amber,
Blinking
A problem with the internal PEM
fan has been detected. The fan
has not yet failed but requires
attention.
Amber
47
Copyright © 2019, Juniper Networks, Inc.
Chapter 2: BTI7800 Series Chassis
Содержание BT8A78CH1
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