ZyXEL Communications PMG1005-T20B User Manual page 28

There might be a lot of traffic on the network. Look at the LEDs (see
2
Device is sending or receiving a lot of information, try closing some programs that use the Internet,
especially peer-to-peer applications.
Turn the GPON Device off and on.
3
If the problem continues, contact the network administrator or vendor.
4
Chapter 7 Troubleshooting
PMG1005-T20B User's Guide
28
Section 1.4 on page 7). If the GPON