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CHAPTER 7
Power Specifications and Requirements
•
Power Specifications for EX3300 Switches on page 65
•
AC Power Cord Specifications for EX3300 Switches on page 66
•
Calculating the EX Series Switch Fiber-Optic Cable Power Budget on page 67
•
Calculating the EX Series Switch Fiber-Optic Cable Power Margin on page 68
Power Specifications for EX3300 Switches
This topic describes the power supply electrical specifications for EX3300 switches.
provides the AC power supply electrical specifications for EX3300
switches.
provides the DC power supply electrical specifications for EX3300
switches.
Table 37: AC Power Supply Electrical Specifications for EX3300 Switches
Specification
Item
100 through 240 VAC
AC input voltage
50 Hz/60 Hz nominal
AC input line frequency
•
7 A at 100 VAC and 2.9 A at 230 VAC (for switches with ports enabled for PoE)
•
1.8 A at 100 VAC and 0.5 A at 230 VAC (for switches with no ports enabled for
PoE)
AC system current rating
Table 38: DC Power Supply Electrical Specifications for EX3300 Switches
Specification
Item
-43 through -75 VDC
DC input voltage
2 A maximum
DC input current
100 W
Power supply output
1 ms minimum
Output holdup time
65
Copyright © 2016, Juniper Networks, Inc.
Содержание EX3300
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