Quick Start Guide
Table Of Contents
- 24x8 Cable Modem
- Model MB7621
- Most users will connect a WiFi router to the MB7621. A wireless router lets multiple devices (computers, smartphones, tablets, video devices, game stations…) share your cable modem’s Internet connection, either wirelessly or through a direct Ethernet ...
- 1. The cable modem and the router should both be powered off.
- 2. Plug one end of the cable modem’s Ethernet cable into the Ethernet jack of your modem, and plug the other end of the cable into the router’s WAN port. (You may need to disconnect the cable from your computer first.)
- 3. Power-up the cable modem. Wait for the ONLINE light (/) to be solidly lit.
- 4. Power-up the router. Wait for the router to complete its power-up sequence.
- 5. The LAN light / on your modem should be lit to show the Ethernet connection to your router.
- 6. Follow your router’s instructions for setting up the router and connected devices.
- If you haven’t already activated your Internet service, do that now. (See Prepare to Activate on page 5.) Using a computer or other device connected to the router, try connecting to the Internet. If it works, Congratulations! Installation is complete.
- Troubleshooting Tips
- We like to help.
Safety Precautions
These precautions help protect you and your cable modem.
Do not put the cable modem or its power cube in water, since this is a
shock hazard.
The cable modem should normally be installed indoors. If you use it
outdoors, protect it from moisture and be careful about temperature.
Your cable modem should be operated in an environment that’s between
32 and 104° Fahrenheit (0 to 40° Centigrade).
Your cable modem should not be in a confined space. There should be
room for air flow around the top, front, and sides of the cable modem.
Make sure to use your cable modem’s power cube and a compatible
electrical outlet.
FCC Statement
This device complies with Class B Part 15 of the FCC Rules. Operation is
subject to the following two conditions: (1) this device may not cause
harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation. Only
coaxial cables are to be used with this device in order to ensure
compliance with FCC emissions limits. Accessories connected to this
device by the user must comply with FCC Class B limits. The manufacturer
is not responsible for any interference which results from use of improper
cables, or which results from unauthorized changes or modifications to the
device.
©MTRLC 2018. MOTOROLA and the Stylized M Logo are trademarks or registered
trademarks of Motorola Trademark Holdings, LLC. and are used under license. All
rights reserved.
27780-EL-C/1508