NETGEAR CM400 Bedienungsanleitung

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

NETGEAR Certified Refurbished C6300-

100NAR DOCSIS 3.0 WiFi Cable Modem

Router with AC1750 16x4 download speeds.

Certified for Xfinity from Comcast,

Spectrum, Cox, Cablevision & more:

TROUBLE SHOOTING STEPS

I’m experiencing connectivity issues with my NETGEAR

cable modem or modem router, how can I troubleshoot it?

If you’re experiencing connectivity issues, follow these troubleshooting steps:

1. Contact your Internet service provider (ISP) to verify that your device is activated. If you

never activated your cable modem or modem router, you must activate it using your

ISP’s self-activation process.

For more information about activating your cable modem or modem router, visit How do

I activate my cable Internet service and cable modem or modem router?.

To activate your Internet service:

1. Visit your cable Internet service provider’s website and follow the onscreen instructions

to activate your Internet service.

Note: You can find your cable Internet service provider’s contact information on your

monthly Internet service billing statement.

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

2. If you are unable to activate your Internet service using the instructions on your cable

Internet service provider’s website, call your cable Internet provider and do the

following:

1. When asked, provide your account information and provide your cable modem or

modem router’s model number, serial number, and MAC address.

The serial number and MAC address are on the label on your cable modem or

modem router, which is on the bottom of your cable modem or modem router.

2. Wait for your cable Internet service provider to confirm that your cable modem or

modem router is active.

3. If you do not get an Internet connection with your cable modem or modem router,

ask your cable Internet service provider to look for your cable modem or modem

router online, and do one of the following depending on what your cable Internet

provider tells you about your cable modem or modem router:

oIf your cable modem or modem router is not visible, your cable Internet service

provider can give you instructions to verify why your cable modem or modem router

does not connect with your high-speed Internet service.

oIf your cable modem or modem router is visible to your cable Internet service

provider, reboot your cable modem or modem router and check your online status

again.

2. Check the power levels of the cable line that connects to your cable modem or modem

router. If you’re experiencing intermittent connections or slow speeds, your cable line

might not have sufficient power levels. If your power levels aren’t within the required

levels, contact your ISP.

For more information about power level guidelines, visit How do I view the downstream

and upstream power levels of my cable modem or modem router? .

Downstream and upstream power levels are important when determining if the cable line that is

connected to your cable modem or modem router is receiving sufficient power. Good

Downstream power levels are within -7 to +7 dBmV. Good Upstream power levels are within

38-48 dBmV.

To view the upstream and downstream power levels:

3. Launch a web browser from a computer or mobile device that is connected to your

network.

4. Enter http://192.168.100.1.

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

5. Enter your cable modem or modem router’s user name and password.

The user name is admin. The default password is password. The user name and

password are case-sensitive.

The BASIC Home page displays.

6. Select Cable Connection.

The downstream and upstream power levels display.

3. Remove any splitters that might be located between your cable line and your cable

modem or modem router. Splitters reduce the signal quality of the cable line.

3. Check your cable modem’s or modem router’s firmware version.If you don’t have the

latest firmware version, contact your ISP.

For information about how to view your firmware version, visit How do I view the

firmware version of my cable modem or modem router?.

To view the firmware version of your cable modem or modem router:

1. Launch a web browser from a computer or mobile device that is connected to your

network.

2. Enter http://192.168.100.1.

3. Enter your cable modem or modem router’s user name and password.

The user name is admin. The default password is password. The user name and

password are case-sensitive.

The BASIC Home page displays.

4. Select ADVANCED.

The firmware version displays.

For more information about current firmware versions, visit What’s the latest firmware

version of my NETGEAR cable modem or modem router?.

If your firmware is outdated, you cannot manually upgrade your cable modem’s or modem

router’s firmware. You must contact your Internet service provider (ISP) to upgrade your

firmware.

The following table displays the latest firmware versions of NETGEAR cable modems or

modem routers:

Internet Service Provider

CM400

CM500

CM600

CM700

CM1000

N450 (CG3000DV2)

C3000/C3700

Comcast (Deployed Firmware)

V1.01.18

V1.01.05

V1.01.13

V1.01.10

V2.01.15

V3.01.14

V2.02.08

Spectrum (Approved Firmware)

V1.01.18

V1.01.05

V1.01.14

V1.01.10

N/A

V3.01.14

V2.02.08

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

Internet Service Provider

CM400

CM500

CM600

CM700

CM1000

N450 (CG3000DV2)

C3000/C3700

Cox (Approved Firmware)

V1.01.17

V1.01.05

V1.01.12

V1.01.09

V2.01.16

V3.01.06

V2.02.08

All other ISPs (Current Production Firmware)

V1.01.18

V1.01.05

V1.01.12

V1.01.09

N/A

V1.02.10

V2.02.08

5. Power cycle your network. Most connectivity issues between cable modems and modem

routers are resolved by performing a power cycle.

For information about power cycling your network, visit How do I power cycle my home

network?.

If you have connection issues with your NETGEAR device(s), performing a complete power

cycle of your entire network can help resolve these issues. To power cycle your home network,

you need to turn OFF all your networking devices and then turn them back ON. Power cycling

your home network may help resolve the following issues:

You cannot get Internet access on any device.

You are unable to go online.

An Internet connection cannot be established on your router/gateway.

Your router's Internet LED light is amber.

Note: You must follow a sequence to turn all your networking devices OFF and ON to ensure

they are properly reset. Follow the instructions below depending on the setup of your home

network.

To power cycle your home network:

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

Scenario 1: You are using a standalone Cable/DSL modem with a router.

1. Turn off or shut down all your networking devices (Cable/DSL modem, Wired/Wireless router,

and Wired & Wireless devices).

Note: Some modems are equipped with a backup battery. If your modem has one, please

remove the backup battery to completely turn off your modem. For common cable modems

equipped with backup batteries, please see Performing a full reset of cable modem with battery

backup

2. Turn on the Cable/DSL modem first and let it boot up. This will take a couple of minutes while

the modem is syncing with your ISP to establish a connection. In most cases all the LED lights will

remain stable, however, always refer to the user manual of the modem to verify the status of

the LED lights.

3. Once the Cable/DSL modem completes the connection to your ISP, turn on the Wired/Wireless

router. The router will now establish a connection with the Cable/DSL modem. This process will

take a few minute as well. In most cases, the Internet LED light on the router will turn solid

green, however, please refer to the user manual of the router to verify the status of the LED

lights.

4. Turn ON your wired & wireless devices.

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

Scenario 2: You are using only a DSL/Cable gateway (modem router).

1. Turn off or shut down all your networking devices (DSL/Cable Gateway, and Wired &Wireless

devices).

2. Turn on the DSL/Cable gateway first and let it boot up. This might take a couple of minutes while

the DSL/Cable gateway is syncing with your ISP to establish a connection. In most cases, all the

LED lights will remain stable, however, always refer to the user manual of

the DSL/Cable gateway to verify the status of the LED lights.

3. Once the DSL/Cable gateway completes the connection to your ISP, turn on the wired & wireless

devices.

If you are still experiencing connectivity issues, visit NETGEAR support to speak with an

expert.

What is the difference between 2.4 GHz and 5 GHz wireless

frequencies?

NETGEAR Certified Refurbished C6300-100NAR DOCSIS

3.0 WiFi Cable Modem Router with AC1750 16x4 download

speeds. Certified for Xfinity from Comcast, Spectrum, Cox,

Cablevision & more

The primary differences between the two frequencies are the range (coverage) and

bandwidth (speed) that the bands provide. The 2.4 GHz band provides coverage at a

longer range but transmits data at slower speeds. The 5 GHz band provides less

coverage but transmits data at faster speeds.

The range is lower in the 5 GHz band because higher frequencies cannot penetrate

solid objects, such as walls and floors. However, higher frequencies allow data to be

transmitted faster than lower frequencies, so the 5 GHz band allows you to upload and

download files faster.

Your WiFi connection on a particular frequency band can also be faster or slower

because of interference from other devices. Many WiFi-enabled technologies and other

household devices use the 2.4 GHz band, including microwaves and garage door

openers. When multiple devices attempt to use the same radio space, overcrowding

occurs. The 5 GHz band tends to have less overcrowding than the 2.4GHz band

because fewer devices use it and because it has 23 channels for devices to use, while

the 2.4GHz band has only 11 channels. The number of channels that are available to

you depends on the regulatory domain. If you’re experiencing a lot of interference from

other devices, consider using the 5 GHz band.

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