RELATED DOCUMENTATION
Removing an AC Power Supply from an EX4300 Switch
Connecting AC Power to an EX4300 Switch
AC Power Supply in EX4300 Switches | 170
AC Power Cord Specifications for an EX4300 Switch | 180
EX4300 Switches Hardware Overview | 58
Installing a DC Power Supply in an EX4300 Switch
The DC power supply in EX4300 switches is a hot-removable and hot-insertable field-replaceable unit
(FRU) installed in the rear panel of the switch: You can remove and replace it without powering off the
switch or disrupting switch functions.
CAUTION:
Do not mix:
•
AC and DC power supplies in the same chassis
•
Power supplies with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Fan modules with different airflow labels (AIR IN (AFI) and AIR OUT (AFO)) in the
same chassis.
•
Power supplies and fan modules with different airflow labels (AIR IN (AFI) and AIR
OUT (AFO)) in the same chassis.
Before you install a DC power supply in the switch:
•
Ensure you understand how to prevent electrostatic discharge (ESD) damage. See
Electrostatic Discharge Damage” on page 242
.
Ensure that you have the following parts and tools available to install a DC power supply in the switch
chassis:
•
ESD grounding strap
•
Phillips (+) screwdriver, number 2
467
Содержание QFX3500
Страница 1: ...Virtual Chassis Fabric Hardware Documentation Published 2020 11 06...
Страница 225: ...Translation The emitted sound pressure is below 70 dB A per EN ISO 7779 201...
Страница 229: ...205...
Страница 238: ...Unterminated Fiber Optic Cable Warning 214...
Страница 246: ...Restricted Access Warning 222...
Страница 249: ...225...
Страница 257: ...Jewelry Removal Warning 233...
Страница 260: ...Operating Temperature Warning 236...
Страница 271: ...DC Power Disconnection Warning 247...
Страница 275: ...DC Power Wiring Sequence Warning 251...
Страница 278: ...DC Power Wiring Terminations Warning 254...
Страница 408: ...Understanding Virtual Chassis Fabric Configuration 4 Understanding Virtual Chassis Fabric Components 384...
Страница 410: ...Figure 130 All QFX5110 VCF g050760 Figure 131 QFX5110 VCF with QFX5100 24Q Leaf Devices 386...
Страница 412: ...Figure 132 QFX5100 24Q as a Leaf Device in a QFX5110 VCF 388...
Страница 565: ...Table 105 System Information continued Description Field Inventory details 541...
Страница 602: ...6 PART Troubleshooting Restoring Junos OS 579 Returning Hardware 586 Alarms and System Log Messages 623...