Chapter 1 Introducing the Zyxel Device
VMG/XMG Series User’s Guide
41
USB Green On The Zyxel Device recognizes a USB connection through the USB slot.
Blinking The Zyxel Device is sending/receiving data to/from the USB device 
connected to it.
Off The Zyxel Device does not detect a USB connection through the USB slot.
Table 11   VMG8924-B10D LED Descriptions
LED COLOR STATUS DESCRIPTION
Power Green On The Zyxel Device is receiving power and ready for use.
Blinking The Zyxel Device is self-testing.
Red On The Zyxel Device detected an error while self-testing, or there is a device 
malfunction.
Blinking The Zyxel Device is upgrading firmware.
Off The Zyxel Device is not receiving power.
DSL Green On The VDSL line is up.
Slow 
Blinking
The Zyxel Device is detecting carrier signals.
Fast 
Blinking
The Zyxel Device is initializing the VDSL line.
Orange On The ADSL line is up.
Slow 
Blinking
The Zyxel Device is detecting carrier signals.
Fast 
Blinking
The Zyxel Device is initializing the ADSL line.
Off The DSL line is down.
Internet Green On The Zyxel Device has an IP connection but no traffic.
Your device has a WAN IP address (either static or assigned by a DHCP 
server), PPP negotiation was successfully completed (if used) and the DSL 
connection is up.
Blinking The Zyxel Device is sending or receiving IP traffic.
Off There is no Internet connection or the gateway is in bridged mode.
Red On The Zyxel Device attempted to make an IP connection but failed. Possible 
causes are no response from a DHCP server, no PPPoE response, PPPoE 
authentication failed.
WAN Green On The Zyxel Device has a successful 10/100/1000 Mbps Ethernet connection 
on the WAN.
Blinking The Zyxel Device is sending or receiving data to/from the WAN at 10/100/
1000 Mbps.
Off There is no Ethernet connection on the WAN.
LAN1~4 Green On The Zyxel Device has a successful 10/100/1000 Mbps Ethernet connection 
with a device on the Local Area Network (LAN).
Blinking The Zyxel Device is sending or receiving data to/from the LAN at 10/100/
1000 Mbps.
Off The Zyxel Device does not have an Ethernet connection with the LAN.
Table 10   VMG8823-BX0B LED Descriptions (continued)
LED COLOR STATUS DESCRIPTION