Arris WTM552 Router Manual PDF (Setup & Configuration Guide)

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Touchstone® WTM552 Telephony Modem User’s Guide

66

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Troubleshooting

The information in this chapter may help you to clear up common problems.

Viewing Connection Information

The web-based configuration interface provides screens that can help to trouble-

shoot connectivity problems. The default IP address of the Telephony Modem is

192.168.2.1

— if you have changed the IP address, remember to enter the

changed address in your browser.

Viewing the DHCP Client List

The DHCP client list shows all computers that are currently connected to the Tele-

phony Modem and have received an IP address from the router. This information

can help you to troubleshoot connectivity problems or to see whether other people

have connected to an unsecured network.

To view the list, choose

LAN Setup

from the navigation menu and then

DHCP Cli-

ent List

.

The list shows the IP address assigned to each computer, the host name (the name

given by the computer’s owner), and the MAC address of that computer. Click the

Refresh

button to update the listing.

Note:

The DHCP client list does not show devices that have manually assigned

IP addresses.

Page 67 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

67

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Viewing the Security Log

The security log keeps a list of system- and firewall-related events. You can use the

security log to troubleshoot connectivity problems and to view possible intrusion at-

tempts.

To view the security log, choose

Firewall

from the navigation menu and then

Se-

curity Log

.

Click the

Refresh

button to update the listing. Click the

Save

button to download

the current log to your computer (the file is named

log_web.txt

). Click the

Clear

button to clear both the system and firewall logs.

Note:

You may have to scroll down to access the buttons.

Page 68 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

68

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Backing Up and Restoring the Configuration

You can save a copy of the current Telephony Modem router configuration to a local

computer. Once you have configured the Telephony Modem as desired, you should

back up the configuration so that you can restore it later if needed.

Backing Up

Follow these steps to back up the configuration.

1

Click the Utilities link in the navigation menu, then click Save/Backup Set-

tings.

The Save/Backup Settings window appears.

2

Click the

Save

button.

The Telephony Modem downloads a file called

admcfg.cfg

to your com-

puter.

3

Copy the

admcfg.cfg

file to a safe location. You can rename the file, if de-

sired, to help you find it in the future.

Restoring

Follow these steps to back up the configuration.

1

Click the Utilities link in the navigation menu, then click Restore Previous-

Settings.

The Restore Previous Settings window appears.

2

Click the

Choose File

button.

Your browser prompts you to find the saved configuration file.

3

After locating the saved configuration file, click the

Restore

button.

The Telephony Modem restarts the router with the restored configuration.

Page 69 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

69

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

Resetting the Telephony Modem Router

The router can be reset in two ways: a “normal” reset that simply restarts the rout-

er (without affecting any phone calls in progress), and a “factory” reset that erases

the current configuration to the factory defaults.

Restarting the Router

To restart the router, you can push the Router Reset button on the back of the Te-

lephony Modem. If your Telephony Modem is mounted in an inconvenient location,

or you need to restart it remotely, you can use the Restart Router page.

To restart the router remotely, click the

Utilities

link in the navigation menu, then

click

Restart Router

. When the page appears, click the

Restart Router

button.

The Telephony Modem shows a confirmation dialog; click

OK

to restart the router.

Resetting the Router to Factory Defaults

To reset the router to factory defaults, you can press and hold the Router Reset but-

ton on the back of the Telephony Modem for about eight seconds. You may need to

do this if a misconfiguration has locked out all access. If you can access the router

and want to restart it remotely, you can use the Restore Factory Defaults page.

To restore factory defaults remotely, click the

Utilities

link in the navigation menu,

then click

Restore Factory Defaults

. When the page appears, click the

Restore

Defaults

button. The Telephony Modem shows a confirmation dialog; click

OK

to

erase the configuration to factory defaults.

The router resets itself after erasing the current configuration.

Note:

If you want to restore the current configuration after restoring factory

defaults, see

Backing Up and Restoring the Configuration

first.

Page 70 / 79

Touchstone® WTM552 Telephony Modem User’s Guide

70

Getting

Battery

Wireless

Ethernet

Safety

Started

Installation

Configuration

Usage

Troubleshooting

Glossary

General Problems and Solutions

The Telephony Modem is plugged in, but the Power light is off.

Check all power connections. Is the power cord plugged in firmly at both

ends?

If you plugged the power cord into a power strip, make sure the strip is

switched on.

Avoid using an outlet controlled by a wall switch, if possible.

Finally, check the fuse or circuit breaker panel.

I’m not getting on the Internet (all connections).

It may take over 30 minutes to establish a connection the first time you

power up your Telephony Modem, especially when many people are online.

Always leave your Telephony Modem plugged into AC power and connected

to the cable system.

Check the front panel lights:

•

The

Power

and

Online

lights should be on.

•

The

Link

light should be either on or blinking.

•

If the

Power

light blinks for more than 30 minutes, call your cable

company for assistance.

Check your cable connections. Connectors should be finger-tight. The

coax

cable

should not be pinched, kinked, or bent sharply—any of these can

cause a break or short in the cable (you may have to replace the cable). If

you have one or more splitters between the Telephony Modem and CATV

outlet, remove the splitters and connect the Telephony Modem directly to

the outlet.

Proceed to the Ethernet or wireless solutions (next page) if necessary.

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