Juniper EX4400 - Page 97

Table 43: Fan Module Status LED (Connued)
State Descripon
Unlit Indicates one of the following:
• The fan module is not installed properly.
• The fan module is not funconing normally.
• The airow direcon of the fan module does not match with the airow direcon of
the other components installed in the switch.
EX4400 Power System
IN THIS SECTION
AC Power Supply in EX4400 Switches | 89
DC Power Supply in EX4400 Switches | 106
Power Supply LEDs in EX4400 Switches | 111
AC Power Supply in EX4400 Switches
IN THIS SECTION
Characteriscs of the AC Power Supply | 90
Specicaons of the AC Power Supplies Used in EX4400 Switches | 93
AC Power Supply Airow | 95
Specicaons of the Power Cord for AC Power Supplies for EX4400 Switches | 96
PoE-bt Budget Planning | 101
89