UTStarcom UT-300R2U User Manual page 34

Questions & Answers
5
1. Question: Why all LED indicators are off?
Answer:
•
Check the connection between the power adaptor and the
power socket.
•
Check the power switch is on or not.
2. Question: Why ACT LED is not lighting?
Answer:
•
Check the connection between the ADSL modem and
your computer or Hub/Switch.
•
Check your PC or Hub/Switch running status and make
sure them are working normally.
•
Check your network cable for connecting the Modem with
other device:
For PC, you should use the crossover cable.