Juniper EX9214 Hardware Manual
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Brand: Juniper
Category: Network Router , Switch
Type: Hardware manual for Juniper EX9214
Pages: 372
Table 46: DC Power Supply Specifications for an EX9214
Switch (continued)
Specifications
Item
•
128 A for both feeds (66 A and 62 A per feed) in
two-feed mode
•
52 A in one-feed mode
Maximum input current rating @ 40
VDC input voltage
Table 47 on page 100 lists the power system specifications for EX9214 switches.
Table 47: DC Power System Specifications
Redundant ConfigurationItem
2+2Redundancy
4100 W in two-feed mode and 1700 W in one-feed
mode
Output power (maximum) per power
supply
8200 W in two-feed mode and 3400 W in one-feed
mode
Output power (maximum) per system
Related
Documentation
DC Power Supply in an EX9214 Switch on page 49•
• DC Power Supply LEDs in an EX9214 Switch on page 51
Grounding Cable and Lug Specifications for EX9200 Switches
To ensure proper operation and to meet safety and electromagnetic interference (EMI)
requirements, you must connect an EX9200 switch to earth ground before you connect
power to the switch. You must use the protective earthing terminal on the switch chassis
to connect the switch to earth ground.
WARNING: The switch is installed in a restricted-access location. It has a
separateprotective earthingterminal on the chassis that must be permanently
connected to earth ground to adequately ground the chassis and protect the
operator from electrical hazards.
CAUTION: Beforeswitch installation begins, ensure that a licensedelectrician
has attached an appropriate grounding lug to the grounding cable that you
supply. Using a grounding cable with an incorrectly attached lug can damage
the switch.
Copyright © 2017, Juniper Networks, Inc.100
EX9214 Switch Hardware Guide