ZyXEL Communications PM7300-T0 User Manual page 55

Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
1
Start Guide and
The PON LED is off if the optical transceiver has malfunctioned or the fiber cable is not connected or is
broken or damaged enough to break the PON connection.
The LOS LED turns red if the GPON Device is not receiving an optical signal.
The LOS LED turns blinking red if the GPON Device is receiving a weak optical signal
See Section 2.1.1 on page 11
Disconnect all the cables from your device and reconnect them.
2
If the problem continues, contact your ISP.
3
I cannot access the PM7300-T0 anymore. I had access to the PM7300-T0, but my connection is
not available anymore.
Your session with the PM7300-T0 may have expired. Try logging into the PM7300-T0 again.
1
Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick
2
Start Guide and
Turn the PM7300-T0 off and on.
3
If the problem continues, contact your vendor.
4
Chapter 16 Troubleshooting
Section 2.1.1 on page 11.
for details about the other LEDs.
Section 2.1.1 on page 11.
PM7300-T0 User's Guide
55