MB7621 - Router MOTOROLA - Free user manual and instructions
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| Product Type | Cable Modem |
| Brand | Motorola |
| Model | MB7621 |
| DOCSIS Version | 3.0 |
| Downstream Channel Bonding | 24 channels |
| Upstream Channel Bonding | 4 channels |
| Maximum Downstream Speed | 686 Mbps |
| Maximum Upstream Speed | 131 Mbps |
| Ethernet Ports | 1 x Gigabit Ethernet (10/100/1000) |
| Dimensions (W x D x H) | 5.0 x 2.0 x 6.5 inches (12.7 x 5.1 x 16.5 cm) |
| Weight | 0.6 lb (272 g) |
| Power Input | 12V DC, 1A |
| Power Consumption | 5W typical |
| Operating Temperature | 32 to 104°F (0 to 40°C) |
| Compatibility | Comcast, Spectrum, Cox, and most US cable ISPs |
| Security | Built-in firewall, MAC filtering |
| LED Indicators | Power, Downstream, Upstream, Online, Ethernet |
| Reset Button | Yes (pinhole) |
| Maintenance | Clean with dry cloth; avoid liquid |
| Warranty | 2 years limited |
Frequently Asked Questions - MB7621 MOTOROLA
How do I set up my Motorola MB7621 modem?
Connect the modem to a cable outlet using a coaxial cable, then plug in the power adapter. Wait for the Online LED to turn solid. Finally, connect a computer or router to the Ethernet port.
What do the blinking lights mean on the MB7621?
The LEDs indicate status: Power solid = on; Downstream/Upstream blinking = scanning, solid = locked; Online solid = internet; Ethernet solid = connected device.
Is the Motorola MB7621 compatible with my internet provider?
The MB7621 is approved for use with most major US cable providers such as Comcast Xfinity, Spectrum, Cox, and others. Check with your ISP for specific compatibility.
How do I reset the MB7621 to factory defaults?
Use a paperclip to press and hold the Reset pinhole button on the back for 10 seconds. The modem will reboot with default settings.
What is the maximum internet speed supported by the MB7621?
The MB7621 supports download speeds up to 686 Mbps and upload speeds up to 131 Mbps, depending on your subscription.
Can I connect a router to the MB7621?
Yes, the MB7621 has one Gigabit Ethernet port. Connect any router's WAN port to the modem's Ethernet port for Wi-Fi and multiple devices.
Why is my MB7621 not getting an IP address?
Ensure the coaxial cable is tight, check with your ISP if service is active, and try rebooting the modem. If the issue persists, your ISP may need to provision the modem by its MAC address.
How do I activate my MB7621 with my cable provider?
Contact your ISP and provide the modem's MAC address (printed on the label). They will activate it on their network. Often you can activate via a self-install website.
What is the power consumption of the MB7621?
The modem consumes about 5 watts typically, making it energy-efficient.
Does the MB7621 support IPv6?
Yes, the Motorola MB7621 supports IPv6 in addition to IPv4.
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