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P-662H/HW-D Series User’s Guide
Chapter 1 Getting To Know Your ZyXEL Device 47
Figure 3 Firewall Application
1.1.4 Front Panel LEDs
Figure 4 P-662H Front Panel
Figure 5 P-662HW Front Panel
The following table describes the Lights.
Table 2 Front Panel LEDs
LED COLOR STATUS DESCRIPTION
PWR/SYS Green On The ZyXEL Device is receiving power and functioning
properly.
Blinking The ZyXEL Device is rebooting or performing diagnostics.
Red On Post (Power On Self Test) failure or the device has
malfunctioned.
Off The system is not receiving power.
LAN 1-4 Green On The ZyXEL Device has a successful 10/100Mb Ethernet
connection.
Blinking The ZyXEL Device is sending/receiving data.
None Off The LAN is not connected.