CBN CH7486E Router Manual PDF (Setup & Configuration Guide)

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Connection

This page shows information on the status of the cable modem's HFC and IP

network connectivity.

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Configuration

This page provides information about the manually configurable settings of the

Cable Modem.

Telephony Status

This page displays the initialization status of the MTA.

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6

Troubleshooting

If the solutions listed here do not solve your problem, contact your service

provider.

Before calling your service provider, try pressing the Reset button on the rear

panel of the CH7486E. Please note, if you press the Reset button, you will lose all

your custom configuration settings, including Firewall and Advanced settings.

Your service provider may ask for the front panel LED status; see Front-Panel LEDs

and Error Conditions.

Solutions

Table 1

–

Troubleshooting Solutions

Problem

Possible Solution

Power light is off

Check that the CH7486E is properly plugged into the electrical

outlet.

Check that the electrical outlet is working.

Cannot send or

receive data

On the front panel, note the status of the LEDs and refer to Front-

Panel LEDs and Error Conditions to identify the error. If you have

cable TV, check that the TV is working and the picture is clear. If

you cannot receive regular TV channels, the data service will not

function.

Check the coaxial cable at the CH7486E and wall outlet. Hand-

tighten, if necessary.

Check the IP address.

Check that the Ethernet cable is properly connected to the

CH7486E and the computer.

If a device is connected via the Ethernet port, verify connectivity

by checking the LINK LEDs on the rear panel.

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Problem

Possible Solution

Wireless client(s)

cannot send or

receive data

Perform the first four checks in “Cannot send or receive data.”

Check the Security Mode setting on the Wireless Security Page:



If you enabled WPA and configured a passphrase on the

CH7486E, be sure each affected wireless client has the identical

passphrase. If this does not solve the problem, check whether

the wireless client supports WPA.



If you enabled WEP and configured a key on the CH7486E, be

sure each affected wireless client has the identical WEP key. If

this does not solve the problem, check whether the client’s

wireless adapter supports the type of WEP key configured on

the CH7486E.



To temporarily eliminate the Security Mode as a potential issue,

disable security.

After resolving your problem, be sure to re-enable wireless

security.



On the Wireless Access Control Page, be sure the MAC address

for each affected wireless client is correctly listed.

Slow wireless

transmission speed

with WPA enabled

On the Wireless Primary Network Page, check whether the WPA

Encryption type is TKIP. If all of your wireless clients support AES,

change the WPA Encryption to AES.

Front-Panel LEDs and Error Conditions

The CH7486E front panel LEDs provide status information for the following error

conditions:

Table 2

–

Front-Panel LEDs and Error Conditions

LED

Status

if, During Startup:

if,During Normal Operation:

POWER

OFF

CH7486E is not properly

plugged into the power outlet

The CH7486E is unplugged

ONLINE

FLASHING

IP registration is unsuccessful

The IP registration is lost

cbn and the cbn logo are trademarks or registered trademarks of Compal Broadband Networks, Inc.

All other product or service names are the property of their respective owners.

©

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