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Hardware identification

Find your device type

Work out which kind of box you have and find its model number before you compare any light.

Core hardware types

Pick the description closest to your equipment.

Type 01

Standalone cable modem

Converts the coaxial signal into Ethernet. No Wi-Fi. Usually has separate Power, DS, US and Online lights.

Examples: Spectrum modems, retail DOCSIS modems

Type 02

Standalone Wi-Fi router

Hands out local addresses and broadcasts Wi-Fi. Connects to a modem through its WAN port.

Examples: Spectrum WiFi 6 router (SAX1V1 family)

Type 03

Combination gateway

Modem and router in one box, with one coaxial input and several LAN ports.

Examples: Xfinity XB8, AT&T BGW320

Type 04

Optical network terminal (ONT)

Converts the fibre signal to Ethernet. Has PON and management lights.

Examples: Verizon Fios and AT&T Fiber ONTs

Where the model number is

The regulatory label is on the underside or the rear panel. You need the model number line only.

Annotated example of a router label: 1 model number, 2 serial number, 3 MAC address, 4 default password. Values are placeholders.
Annotated example label. Callouts 1 to 4 match the list below; redacted bars mark fields to keep private.
  1. 1Model numberUse this to find the right light guide.
  2. 2Serial numberIdentifies your unit. Keep it private.
  3. 3MAC addressCan be used to disrupt provisioning. Keep it private.
  4. 4Default passwordGives access to settings. Never post it.

Never share these label fields

Do not post unredacted label photos in forums or on social media.

  • Wi-Fi password or WPA key: Grants access to your private network.
  • Admin or web GUI password: Gives access to your router settings.
  • MAC address: Can be cloned or disrupt provisioning.

Still not sure?

Use the troubleshooter, or open your provider's hub.

Open the troubleshooter