Juniper EX4500 Hardware Manual page 51

CAUTION:
Virtual Chassis module is not supported.
EX4500 switches running Junos OS Release 10.4R2 or later 10.4 releases will not boot
if you do not install the intraconnect module in the switch.
EX4500 switches running Junos OS Release 11.1R1 or later releases will not boot if
you install neither the intraconnect module nor the Virtual Chassis module in the
switch.
Figure 15 on page 51 shows the intraconnect module.
Figure 15: Intraconnect Module
Status LED
ST
Captive screws
The intraconnect module has an LED (labeled ST) on the faceplate that indicates the status of the
intraconnect module.
Table 12 on page 51 describes the LED on the intraconnect module in an EX4500 switch.
Table 12: Intraconnect Module Status LED
LED
ST
The intraconnect module has two captive screws on the faceplate that secure the module in the chassis.
To remove or replace the intraconnect module, follow the instructions in
Module from an EX4500 Switch" on page
Operating an EX4500 switch without the intraconnect module or the
State
Green
Unlit
210.
Description
The intraconnect module is functioning
normally.
The intraconnect module is not
functioning normally.
The switch has been powered off.
"Removing an Intraconnect
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