NOTE:
EX4300-24T, EX4300-24P, EX4300-32F, EX4300-48T, EX4300-48T-AFI, EX4300-48P,
EX4300-48MP, and EX4300-48MP-S models do not support DC power. EX4300-24T-S,
EX4300-24P-S, EX4300-32F-S, EX4300-32F-DC, EX4300-48T-S, EX4300-48T-DC,
EX4300-48T-DC-AFI, and EX4300-48P-S models support DC power.
All the EX4300 switches that are powered by DC power supplies except EX4300-24T-S, EX4300-24P-S,
EX4300-32F-S, EX4300-48T-S, and EX4300-48P-S switches are shipped with one DC power supply
installed in the rear panel of the switches. EX4300-24T-S, EX4300-24P-S, EX4300-32F-S, EX4300-48T-S,
and EX4300-48P-S switches are not shipped with power supplies; you must order the power supplies
separately.
This topic describes the DC power supplies.
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.
Characteristics of a DC Power Supply
EX4300 switches support 550 W DC power supply (see
Figure 60: DC Power Supply for an EX4300 Switch
You can install up to two DC power supplies in an EX4300 switch. Power supplies are installed in the
power supply slots labeled PSU 0 and PSU 1 in the rear panel of the chassis.
185
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...