ZyXEL Communications P-660RU-T V2 Quick Start Manual page 4

• The POWER light blinks while performing system testing. It
then turns steady on if the testing is successful.
• The DSL light blinks then turns steady on, and blinks when
there is traffic.
• The ETHERNET light turns on if the ETHERNET port is
properly connected, and blinks when there is traffic.
If none of the LEDs are on, unplug the device
and recheck your hardware connections.
P-660RU-T v2 Quick Start Guide
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