Juniper EX4550 - DC Power Supply Specifications for EX4550 Switches; Table 47: DC Power Supply Specifications for an EX4550 Switch

Table 46: AC Power Cord Specifications for an EX4550 Switch (continued)
GraphicJuniper Model numberPlug StandardsElectrical SpecificationsCountry/Region
g021288
CBL-EX-PWR-C13-TWNEMA 5-15P Type N5-15P125 VAC, 10 A, 50 HzTaiwan
CBL-EX-PWR-C13-UKBS 1363/A Type BS89/13250 VAC, 10 A, 50 HzUnited
Kingdom
CAUTION: The AC power cord for the EX4550 switch is intended for use with
this switch only. Do not use the cord with any other product.
CAUTION: Power cords must not block access to switch components.
Related
Documentation
AC Power Supply in EX4550 Switches on page 41•
• General Safety Guidelines and Warnings on page 253
• General Electrical Safety Guidelines and Warnings on page 285
• Prevention of Electrostatic Discharge Damage on page 287
• Connecting AC Power to an EX4550 Switch on page 163
DC Power Supply Specifications for EX4550 Switches
Table 47 on page 88 lists the power supply specifications for a DC power supply used in
an EX4550 switch.
Table 47: DC Power Supply Specifications for an EX4550 Switch
SpecificationsItem
•
Minimum operating voltage: –36 VDC
•
Nominal operating voltage: –48 VDC
•
Operating voltage range: –36 VDC through –72 VDC
DC input voltage
7 A maximum at nominal operating voltage (–48 VDC)DC input current rating
650 WOutput power
•
When operating in normal speed—4.8 W
•
When operating in high speed—16.8 W
Power required by each fan module
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EX4550 Switch Hardware Guide