Quantum Fiber C5500XK SmartNID is a fiber-ont-gateway in the checked US research. Confirm the fiber-ont-gateway role in the official manual before using this device as a gateway, access point or mesh node. The fields below reflect only the cited scope; confirm the printed hardware revision before following a menu path.
Before you change anything
This is a research reference, not evidence of a hands-on test. Features that depend on region, firmware or hardware revision remain conditional.
At a glance
| Device role | fiber-ont-gateway |
|---|---|
| Wi-Fi generation | Not verified for this exact unit |
| Bands (GHz) | Not verified for this exact unit |
| Wi-Fi radio | No built-in radio |
| Documented modes | Not verified for this exact unit |
| DOCSIS version | Not verified for this exact unit |
| Coax standard | Not verified for this exact unit |
| Setup app | Not verified for this exact unit |
| Mesh ecosystem | Not verified for this exact unit |
| Hardware revision | Not verified for this exact unit |
| US SKU | Not verified for this exact unit |
Marketing Wi-Fi link rates are theoretical and are not a measured internet speed.
Ports and power
| Role | Count | Link speed | Note |
|---|---|---|---|
| WAN/LAN | 1 | 1000 Mbps | — |
| LAN | 1 | 1000 Mbps | — |
Documented power: 1.5 A adapter rating. Check the exact unit label and total switch budget.
Feature evidence
| Feature | Research status | Condition |
|---|---|---|
| Native Wifi | Documented unavailable in the stated scope | unsupported for stated hardware |
| Dual Wan | Not verified | unknown |
| Mlo | Not verified | unknown |
| Poe Input | Not verified | unknown |
| Poe Output | Not verified | unknown |
| Vlan 8021Q | Not verified | unknown |
| Vpn Client Openvpn | Not verified | unknown |
| Vpn Client Wireguard | Not verified | unknown |
Before changing settings
- Read the model and hardware revision from the device label.
- Record the current firmware and connection mode.
- Save a safe copy of current settings or wiring where supported.
- Open the official support page for this precise US revision.
LED and firmware references
| Indicator | State | Meaning |
|---|---|---|
| front status | red / solid | Hardware self-test. |
| front status | red / blinking | Hardware test failure or service failure. |
| front status | blue / blinking | Synchronizing with the provider network. |
| front status | blue / solid | Synchronization completed; SmartNID ready. |
| front status | amber / solid | Account action is required. |
| front status | green / solid | Internet connection available. |
| front status | white / solid | Transparent bridge mode is active. |
| front status | / off | No power or disconnected power. |
Locate the official support entry from the source list before downloading firmware. RouterFix does not host firmware files.
Official sources
- C5500XK data sheet (full_text; checked 2026-11-01)
- C5500XK SmartNID user guide (full_text; checked 2026-11-01)
Check your exact US model, hardware revision, and firmware on the linked support page before changing settings.