ZyXEL Communications SBG3500-N Series Quick Start Manual page 7

• The SFP light turns on after your Device has a fiber connection and blinks
when there is traffic.
• The WLAN light flashes green when WLAN is activated. It stays on green
when the wireless LAN is ready and blinks when there is traffic.
• The green light of an ETHERNET LAN port is on if the there is a 1G LAN
connection. The yellow light is on if there is a 10/100M LAN connection.
The light blinks when there is LAN traffic.
• The green light of the GbE port is on if the there is a 1G WAN connection.
The yellow light is on if there is a 10/100M WAN connection. The light
blinks when there is WAN traffic.
If the lights do not come on, check your connections and inspect your cables for
damage. If the lights are still off, contact technical support.
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