Juniper Networks ERX-1440, ERX-1410, ERX-700, ERX-705 manual LED Activity During Booting

Functional status LEDs

OK

FAIL

ONLINE REDUNDANT

Understanding Status LEDs ERX Edge Routers

8-7

	ACTIVITY
Interface	LINK
status LEDs
	0
	1

Figure 8-2FE2 module LEDs

	OK
	FAIL
Functional
status LEDs	ONLINE
	REDUNDANT
	RED
	YEL
	ALM
	ALM
	SYNC
Interface
status LEDs	0
	1
	2

Figure 8-3E3 and T3 module LEDs

LED Activity During Booting

When the system boots, it runs diagnostic tests, and the module status

LEDs display various configurations. Observe the scenario presented in

Table 8-3to verify that the system has booted properly.

Note: When you reboot the system after installing a new version of the software, the line modules will appear to boot twice.