What is the default IP address for C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal?

The factory default IP address for C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal is http://192.168.1.1.

What is the default username and password for C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal?

The default username is "admin" and the default password is "admin".

How do I factory reset the C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal?

Locate the small Reset pinhole on the back panel of the C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal. Press and hold it with a paperclip for 10-15 seconds while powered on until the LED lights cycle.

C-Data FTTH ONT N/A (Wired Gateway) Gigabit Dual-Mode Optical Terminal

C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal

FTTH residential subscriber optical demarcation bridge for ISPs and cable operators

Open http://192.168.1.1 ↗

Illustration, not a product photo

Gateway IP

192.168.1.1

Factory Username

admin

Factory Password

admin

Technical specifications

FD511 Series

Manufacturer	C-Data
Product Series	FD511 Series
Device Class / Category	FTTH ONT
Wireless Standard	N/A (Wired Gateway)
Speed Rating	Gigabit Dual-Mode Optical Terminal
Ethernet & Fiber Ports	1x SC/UPC (or SC/APC) PON Port, 1x GbE LAN
Routing / Firewall Throughput	2.488 Gbps Downstream / 1.244 Gbps Upstream
Default Gateway URL	http://192.168.1.1 ↗
Operating System / Firmware	C-Data Optical OS

How to log in to your C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal

1 Connect Your Device: Plug your PC into any LAN port on the C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.1.1 into the address bar.
3 Enter Factory Credentials: Enter username "admin" and password "admin", then click Login.
4 Configure Security & Password: Follow the on-screen Quick Setup wizard to customize your Wi-Fi SSID, set WPA3/WPA2-AES encryption, and establish a new master administrator password.

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Frequently asked questions

What is the default login for C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal?

The default IP address is http://192.168.1.1, default username is "admin", and default password is "admin".

What ports and speeds does C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal support?

The C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal is equipped with 1x SC/UPC (or SC/APC) PON Port, 1x GbE LAN with an overall speed rating of Gigabit Dual-Mode Optical Terminal.

How do I reset my C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal to factory settings?

Press and hold the physical Reset button on the C-Data C-Data FD511G-X Gigabit GPON/EPON Optical Terminal for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.