Juniper QFX10016 Hardware Manual page 356

QFX10016 Switch Hardware Guide
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Documentation
332
The marked input voltage of –48 VDC for a DC-powered device is the nominal voltage
associated with the battery circuit, and any higher voltages are only to be associated
with float voltages for the charging function.
Because the device is a positive ground system, you must connect the positive lead to
the terminal labeled , the negative lead to the terminal labeled –48 VDC, and the
RTN
earth ground to the device grounding points.
General Safety Guidelines and Warnings on page 297
General Electrical Safety Guidelines and Warnings on page 325
DC Power Disconnection Warning on page 333
DC Power Grounding Requirements and Warning on page 334
DC Power Wiring Sequence Warning
DC Power Wiring Terminations Warning on page 335
Connecting DC Power to an EX2200 Switch
Connecting DC Power to an EX2300 Switch
Connecting DC Power to an EX3200 Switch
Connecting DC Power to an EX3400 Switch
Connecting DC Power to an EX4200 Switch
Connecting DC Power to an EX4300 Switch
Connecting DC Power to an EX4500 Switch
Connecting DC Power to an EX4550 Switch
Connecting DC Power to an EX4600 Switch
Connecting DC Power to an EX6200 Switch
Connecting DC Power to an EX8200 Switch
Connecting DC Power to an EX9204 Switch
Connecting DC Power to an EX9208 Switch
Connecting DC Power to an EX9214 Switch
Connecting DC Power to an OCX1100 Switch
Connecting DC Power to an XRE200 External Routing Engine
Connecting DC Power to a QFX3500, QFX3600, or QFX3600-I Device
Connecting DC Power to a QFX5100 Device
Connecting DC Power to a QFX5200
Connecting DC Power to a QFX10002
Connecting DC Power to a QFX10000 on page 165
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