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CenturyLink / Quantum Fiber FTTH ONT Wi-Fi 6 (802.11ax) AX3000 Multi-Gigabit Fiber NID

CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway

Lumen Quantum Fiber residential and small business multi-gigabit symmetrical deployments

PWR PON LOS LAN WLAN CENTURYLINK / Wi-Fi 6
Illustration, not a product photo
Gateway IP
Factory Username
admin
Factory Password
Printed on NID Label

Technical specifications

C5500 Series
Manufacturer CenturyLink / Quantum Fiber
Product Series C5500 Series
Device Class / Category FTTH ONT
Wireless Standard Wi-Fi 6 (802.11ax)
Speed Rating AX3000 Multi-Gigabit Fiber NID
Ethernet & Fiber Ports 1x XGS-PON SFP/Optical, 2x 2.5GbE RJ45 Ports
Routing / Firewall Throughput 8 Gbps Optical / 2500 Mbps Ethernet Forwarding
Default Gateway URL http://192.168.0.1 ↗
Operating System / Firmware Quantum Fiber OS

How to log in to your CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway

  1. 1 Connect Your Device: Plug your PC into any LAN port on the CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway using an Ethernet cable, or connect to the default Wi-Fi SSID printed on the router label.
  2. 2 Navigate to Gateway IP: Launch your web browser and enter http://192.168.0.1 into the address bar.
  3. 3 Enter Factory Credentials: Enter username "admin" and password "Printed on NID Label", then click Login.
  4. 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 CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway?

The default IP address is http://192.168.0.1, default username is "admin", and default password is "Printed on NID Label".

What ports and speeds does CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway support?

The CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway is equipped with 1x XGS-PON SFP/Optical, 2x 2.5GbE RJ45 Ports with an overall speed rating of AX3000 Multi-Gigabit Fiber NID.

How do I reset my CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway to factory settings?

Press and hold the physical Reset button on the CenturyLink / Quantum Fiber Quantum Fiber C5500XK Smart Gigabit NID Gateway for 10 to 15 seconds until the power LED blinks, resetting all settings to factory default.