If the LOS LED is flashing red, DO NOT look into the fiber port. Invisible laser radiation can cause eye damage. Contact your ISP immediately.
: Usually four 10/100/1000M RJ-45 ports for high-speed wired connections Voice Support : Two POTS (Plain Old Telephone Service) ports for VoIP. High Bandwidth zte zxa10 f620g manual
SIP registration failed. Fix: Check Voice > SIP settings. The proxy server, domain, and authentication user/pass must match your ISP's data. These are rarely user-configurable; contact support. If the LOS LED is flashing red, DO
The ONT cannot authenticate with the ISP’s OLT (serial number mismatch or provisioning error). Fix: Call your ISP. They need to register the device's MAC or GPON Serial Number (found on the bottom sticker). SIP settings. The proxy server