To prevent electrical injury while installing or removing DC power supplies, carefully follow instructions
in
"Install a DC Power Supply in an EX4100 Switch" on page 187
"Remove a DC Power Supply from
Specifications of the DC Power Supplies Used in EX4100 Switches
provides the power supply specifications of the 150 W DC power supplies.
Table 23: Specifications of the 150 W DC Power Supplies Used in EX4100 Switches
Item
Specification
DC input voltage
Rated operating voltage: –48 VDC to –60 VDC
DC input current rating
4.7A - 2.8 A
Output power
150 W
DC Power Supply Airflow
Each power supply has its own fan and internal cooling system. Each power supply has a label AIR OUT
or AIR IN on the faceplate of the power supply that indicates the direction of airflow through the power
supply.
lists the DC power supply models and the direction of airflow
throughthem.
Table 24: Airflow Direction in DC Power Supply Models for EX4100 Switches
Model
Label on Power Supply
Direction of Airflow
JPSU-150-DC-AFO
AIR OUT
Front to back: Air to cool the chassis
enters through the vents on the
front panel of the chassis. Hot air
exits through the vents on the rear
panel of the chassis.
80
Содержание EX4100
Страница 1: ...EX4100 and EX4100 F Switch Hardware Guide Published 2022 11 08 ...
Страница 68: ...Figure 45 Front to Back Airflow Through the EX4100 48P or EX4100 48T Switch Chassis 59 ...
Страница 69: ...Figure 46 Front to Back Airflow Through the EX4100 24MP or EX4100 48MP Switch Chassis 60 ...
Страница 70: ...Figure 47 Front to Back Airflow Through the EX4100 F 24P Switch Chassis 61 ...
Страница 71: ...Figure 48 Front to Back Airflow Through the EX4100 F 24T Switch Chassis 62 ...
Страница 72: ...Figure 49 Front to Back Airflow Through the EX4100 F 48P Switch Chassis 63 ...
Страница 105: ...Figure 62 Clearance Requirements for Airflow and Hardware Maintenance for the EX4100 24MP and EX4100 48MP Switch 96 ...
Страница 106: ...Figure 63 Clearance Requirements for Airflow and Hardware Maintenance for the EX4100 F 24T Switch 97 ...
Страница 107: ...Figure 64 Clearance Requirements for Airflow and Hardware Maintenance for the EX4100 F 24P Switch 98 ...
Страница 108: ...Figure 65 Clearance Requirements for Airflow and Hardware Maintenance for the EX4100 F 48P Switch 99 ...
Страница 209: ...5 CHAPTER Troubleshoot Hardware Troubleshoot the EX4100 and EX4100 F Components 201 ...