Juniper QFabric QFX3000-G Hardware Documentation page 24

QFX3000-G QFabric System Hardware Documentation
Chapter 8
Part 2
Chapter 10
xxiv
Figure 114: Front-to-Back Airflow Through 24-Port and 48-Port EX4300 Switches
Except EX4300-48MP and EX4300-48MP-S Switches . . . . . . . . . . . . . . . 159
Figure 115: Front -to-Back Airflow on EX4300-48MP and EX4300-48MP-S
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 159
Figure 116: Front-to-Back Airflow Through 32-Port EX4300 Switch Chassis . . . 160
Figure 117: Back-to-Front Airflow Through the 24-Port and 48-Port EX4300
Switches Except EX4300-48MP and EX4300-48MP-S Switches . . . . . . . 160
Figure 118: AC Power Supply for EX4300 Switches . . . . . . . . . . . . . . . . . . . . . . . . 163
Figure 119: DC Power Supply for an EX4300 Switch . . . . . . . . . . . . . . . . . . . . . . . . 171
Figure 120: Connecting the Grounding Lug to a Switch Mounted on Four Posts
of a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Figure 121: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . . 182
EX4200 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
Figure 122: Fan Tray Used in an EX4200 Switch . . . . . . . . . . . . . . . . . . . . . . . . . . 187
Figure 123: Airflow Through the EX4200 Switch Chassis . . . . . . . . . . . . . . . . . . . 188
Figure 124: 320 W AC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 125: 600 W and 930 W AC Power Supplies . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 126: DC Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191
Figure 127: Connecting the Grounding Lug to a Switch Mounted on Four Posts
of a Rack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Figure 128: Connecting a Grounding Cable to an EX Series Switch . . . . . . . . . . . 199
Planning
Rack and Cabinet Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229
Figure 129: Airflow Through the QFX3100 Director Device . . . . . . . . . . . . . . . . . . 246
Figure 130: Airflow Through the Front Card Cage and Powerhouse . . . . . . . . . . . 247
Figure 131: Airflow Through the Rear Card Cage . . . . . . . . . . . . . . . . . . . . . . . . . . 247
Figure 132: Clearance Requirements for Airflow and Hardware Maintenance for
a QFX3008-I Interconnect Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Figure 133: Clearance Requirements for Airflow and Hardware Maintenance for
a QFX5100 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248
Figure 134: Clearance Requirements for Airflow and Hardware Maintenance for
a QFX3600 or QFX3600-I Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249
Figure 135: Clearance Requirements for Airflow and Hardware Maintenance for
a QFX3500 Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250
Figure 136: Front-to-Back Airflow on 24-Port and 48-Port EX4300 Switches
Except EX4300-48MP and EX4300-48MP-S Switches . . . . . . . . . . . . . . . 252
Figure 137: Front -to-Back Airflow on EX4300-48MP and EX4300-48MP-S
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252
Figure 138: Front-to-Back Airflow on 32-Port EX4300 Switches . . . . . . . . . . . . . 252
Figure 139: Back-to-Front Airflow on 24-Port and 48-Port EX4300 Switches . . 253
Figure 140: Clearance Requirements for Airflow and Hardware Maintenance for
an EX4300 Switch Chassis Except EX4300-48MP and EX4300-48MP-S
Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254
Figure 141: Clearance Requirements for Airflow and Hardware Maintenance for
an EX4300-48MP and EX4300-48MP-S Switch Chassis . . . . . . . . . . . . . . 254
Figure 142: Clearance Requirements for Airflow and Hardware Maintenance for
EX4200 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255
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