ARRIS GWM Users Manual

Download

Cable

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Power

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Tel 1

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Tel 2

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Front Panel

The front of the Telephony Gateway has the following indicators:

ECA

G I

A Battery: indicates the battery status.

B Tel 2: indicates the status of telephone line 2.

C Tel 1: indicates the status of telephone line 1.

D Secure: indicates Wireless Protected Setup (WPS) is active.

E WiFi: indicates the status of the wireless LAN.

F Ethernet: indicates Ethernet connectivity between the Telephony Gateway

and computers.

G Online: indicates internet data transmission status.

D F H J

H US: indicates upstream connectivity.

I DS: indicates downstream connectivity.

J Power: indicates whether AC power is available to the unit.

Rear Panel

The rear of the Telephony Gateway has the following connectors and controls:

A WPS button: begins associating the Telephony Gateway with a wireless de-

vice.

B Reset button: resets the Telephony Gateway as if you power cycled the unit.

Use a pointed non-metallic object to press this button.

C USB: USB host connector - future support for external USB devices

D Telephone 1/2: connector for the ﬁrst phone line (or both lines of a 2-line

phone).

E Telephone 2: connector for the second phone line.

F Ethernet (1 - 4): connectors for use with a computer LAN port.

G Cable: connector for the coaxial cable.

H Power: connector for the power cord.

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Selecting an Installation Location

There are a number of factors to consider when choosing a location to install your Telephony Gateway:

• Is an AC outlet available nearby? For best results, the outlet should not be switched and should be close enough to the Telephony Gateway that extension cords are not required.

• Is a cable jack available? For best performance, keep the number of splitters between the jack and cable drop to a minimum. Each splitter attenuates (re duces) the signal available to the Telephony Gateway. A large number of split ters can slow down the Internet connection and even affect your telephone service.

• Can you easily run cables between the Telephony Gateway’s location and the phones?

• If you are connecting devices to the Ethernet ports, can you easily run cables between the Telephony Gateway’s location and those devices?

• If you want to mount the Telephony Gateway on a wall, does the location pro vide a solid surface for secure attachment? For best results when mounting the Telephony Gateway on drywall, position the Telephony Gateway so at least one of the screws are fastened to a stud. This may prevent the Telephony Gateway from pulling out of the wall in the future.

• If you want to install the Telephony Gateway on a desktop, is there enough space on either side to keep the vents clear? Blocking the vents may cause overheating.

• How close are your wireless devices? The Telephony Gateway wireless connection range is typically 100–200 feet (30m–65m). A number of factors can affect connection range, as described below.

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Factors Affecting Wireless Range

A number of factors can affect the usable range for wireless connections.

Increases range: • Raising the unit above the devices (for example, in-

stalling the Telephony Gateway in the upper ﬂoor of a multi-story dwelling)

• Adding wireless hubs in a bridge (WDS) network

Decreases range: • Lowering the unit below the devices (for example, in-

stalling the Telephony Gateway in a basement)

• Metal or concrete walls between the Telephony Gateway and other devices

• Large metal appliances, aquariums, or metal cabinets between the Telephony Gateway and other devices

• Interference and RF noise (2.4 GHz wireless phones, microwave ovens, or other wireless networks)

Note: Note that decreasing the range of your wireless network may be bene-

ﬁcial, as long as the decreased range is sufﬁcient for your needs. By limiting your network’s range, you reduce interference with other networks and make it harder for unwant ed users to ﬁnd and connect to your network.

Note: Setting the trasmit power level to High increases the range. Setting it

to Medium or Low decreases the range proportionately.

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Mounting the Telephony Gateway

You can either mount the Telephony Gateway on a wall or place it on a desktop. For wall-mount applications, you can mount the Telephony Gateway with the indicators facing upward (vertical) or to the side (horizontal).

Tools and Materials

Step 1

Step 3

Step 2

Step 4

For wall-mounted installations, make sure you have the following tools and materials before proceeding:

• for mounting on drywall: Two 1/4” (6mm) drywall anchors and a drill with 1/4” (6mm) bit (not included)

• for mounting on plywood or studs: two #6 x 1.5” (38.1 mm) self tapping screws (not included)

• screwdriver (ﬂat-blade or Phillips, depending on what kind of screws you use)

• wall-mount template (included)

• transparent tape: for temporarily securing the mounting template to the wall (not included)

Location

Always position the Telephony Gateway:

• within reach of an AC outlet. The power cord must reach the outlet without stretching and without adding extension cords.

• near a cable outlet (to avoid long cable runs).

Instructions

Wall-mounting instructions

Note: When mounting the Telephony Gateway on drywall, try to position the

Telephony Gateway so at least one of the screws is fastened to a stud. This may prevent the Telephony Gateway from pulling out of the wall in the future. To prevent overheating of the Telephony Gateway, do not block the ventilation holes on the sides of the unit.

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1 Position the mounting template on the surface where you intend to mount

2 Drill holes through the template in the speciﬁed locations for the mounting

3 If using drywall anchors, set them into the wall. Then, drive the screws into

4 Orient the Telephony Gateway with the indicator lights facing up or right, as

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the Telephony Gateway and secure in place with transparent tape.

screws. After drilling holes, remove the template from the surface.

the wall leaving a gap of about 1/8” (3 mm) between the screw head and the wall. If not using anchors, just drive the screws.

desired. Slip both mounting slots (in the back of the Telephony Gateway) over the screws, then slide the case down until the narrow end of the keyhole slot contacts the screw shaft.

5 Proceed to Connecting the Telephony Gateway

Desktop mounting instructions

1 Position the Telephony Gateway so that:

• air ﬂows freely around it

• the back faces the nearest wall

• it will not fall to the ﬂoor if bumped or moved

• the ventilation holes on the side of the unit are not blocked.

2 Proceed to Connecting the Telephony Gateway

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Connecting the Telephony Gateway

WARNING Risk of injury or equipment damage

Connecting the Telephony Gateway to the home’s existing telephone wiring should only be performed by a professional installer. Physical connections to the previous telephone provider must be removed and the wiring must be checked; there must not be any voltage. Cancellation of telephone service is not adequate. Failure to do so may result in loss of service and/or permanent damage to the Telephony Gateway.

1 Connect one end of the coax cable to the cable outlet or splitter, and the

other end to the Telephony Gateway’s Cable connector (G). Tighten the connections by hand, then tighten an additional 1/8 turn with a wrench.

Note: For best performance, use high-quality coax cable and minimize or eliminate splitters between the cable jack and the Telephony Gateway.

2 Insert the plug from the power cord into the Power connector on the back

of the Telephony Gateway (H) and insert the power cord into a convenient AC outlet.

The Power light on the front of the Telephony Gateway lights up, then ﬂashes once (refer to the LED tables shown in Using the Telephony Gateway). See

Troubleshooting

if the Power light does not turn on.

3 Connect one end of the Ethernet cable to any Ethernet port on the back of

the Telephony Gateway, (F) and the other end to the Ethernet port on a com puter, hub, or broadband router.

Note: If you are connecting to a computer, use the Ethernet cable included in the Telephony Gateway package.

4 Connect one end of the telephone cable to the telephone port on the back

of the Telephony Gateway (D or E). Connect the other end to the telephone.

Note: If you have a phone with two separate lines on a single RJ-14 cord, plug it into the connector labeled “Telephone 1/2”.

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Conﬁguring Your Wireless Connection

The TG852 ships with a basic factory default conﬁguration that should allow you to immediately access the Internet with a wireless connection. If your computer is equipped with a 802.11b/g/n wireless LAN card, you may wish to conﬁgure the Telephony Gateway’s wireless settings.

Note: At a minimum, ARRIS suggests that you conﬁgure the security settings.

Accessing the Conﬁguration Interface

Follow these steps to access the conﬁguration interface. You should have already set up the TG852 as described in Installing and Connecting Your Telephony Gateway

1 Use the connection utility for your operating system to connect to the wire-

less LAN arris_xxxx,where “xxxx” is the last four digits of the Telephony Gateway’s WLAN MAC address.

Note: This is the Telephony Gateway’s factory default SSID. The WLAN MAC address can be found on the product label on the Telephony Gateway.

2 In your web browser, open the page http://192.168.2.1/ to access the

wireless router setup.

The Login screen displays.

Note: The Telephony Gateway ships with no password conﬁgured. When you log in for the ﬁrst time, leave the Password ﬁeld blank.

3 Click the Apply button to log in.

The System Basic Setup screen displays.

4 Use the online help information to set conﬁguration parameters as required.

Note: Most conﬁguration parameters that you may want to set can be accessed

on the System Basic Setup screen, including the security mode and setting a system password.

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Conﬁguring Your Ethernet Connection

If your computer is equipped with a LAN card providing an Ethernet connection, you may have to conﬁgure your computer’s TCP/IP settings. The steps that follow will guide you through setting your computer’s TCP/IP settings to work with the Telephony Gateway.

Requirements

Make sure you have the following before attempting to conﬁgure your Ethernet connection:

• Computer with:

— one of: Windows 2000, Windows XP, Windows Vista, Windows 7, or

MacOS X

— Ethernet interface

• Ethernet cable (supplied)

• IP address, subnet, gateway, and DNS information for installations not using DHCP

How to use this chapter

The following list shows the procedures for modifying the TCP/IP settings on the computer. The procedure is slightly different depending on the operating system that you are using. Please ensure you are using the correct steps for the operating system on your computer. Follow the links below for instructions to conﬁgure your Ethernet connection on your operating system.

• TCP/IP Conﬁguration for Windows 2000

• TCP/IP Conﬁguration for Windows XP

• TCP/IP Conﬁguration for Windows Vista

• TCP/IP Conﬁguration for Windows 7

• TCP/IP Conﬁguration for MacOS X

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TCP/IP Conﬁguration for Windows 2000

Follow these steps to conﬁgure the Ethernet interface on a Windows 2000 operating system.

Note: Dialog boxes shown on your computer may differ slightly from those

shown in this procedure.

1 From the computer, select Start > Settings > Network and Dial-up Con-

nections > Local Area Connection.

2 In the Local Area Connections Properties window, highlight TCP/IP by click-

ing on it one time, then click on Properties.

Note: If your computer has more than one Ethernet card, you may have to

select the appropriate Ethernet card in the Connect using: area of the Local Area Connection Properties window.

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3 Click Obtain an IP address automatically and Obtain DNS server ad-

4 Click OK to accept the new settings, and OK again to close the Conﬁgura-

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dress automatically, then click OK.

tion window.

5 You may have to restart your computer in order for your computer to obtain

a new IP address from the network.

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TCP/IP Conﬁguration for Windows XP

Follow these steps to conﬁgure the Ethernet interface on a Windows XP operating system.

TCP/IPv6 Note: This procedure shows the conﬁguration of TCP/IPv4. TCP/IPv6

is not installed or enabled by default in Windows XP. If your cable provider requires TCP/IPv6 you must ﬁrst install and enable it on your Windows XP system. Refer to Microsoft support materials on Windows XP for installation instructions. Once installed and enabled, follow this same conﬁguration example, but select TCP/IPv6 at the appropriate step.

Note: Dialog boxes shown on your computer may differ slightly from those

shown in this procedure.

1 From the computer, select Start > Settings > Control Panel and double-

click Network Connections in the Control Panel.

The Network Connection window displays a list of LAN connections and associated network adapters.

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2 Double-click the local area connection to be used for your device’s network

3 Click Properties.

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connection.

The Local Area Connection Status widow displays.

4 Select TCP/IP by clicking it one time. Then click Properties.

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5 Click the General tab. Then click Obtain an IP address automatically

6 Click OK to accept the new settings, and OK again to close the Properties

7 You may have to restart your computer in order for your computer to obtain

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and click OK.

window.

a new IP address from the network.

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TCP/IP Conﬁguration for Windows Vista

Follow these steps to conﬁgure the Ethernet interface on a Windows Vista operating system

1 Open the Vista Control Panel.

2 Double-click Network and Sharing Center to display the Network and

Sharing Center window.

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3 Click Manage network connections. If prompted for a connection, choose

4 Double-click the Local Area Connection to open the Properties window:

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Local Area Connection.

The Network Connections window displays.

Note: If Windows requests permission to continue, click Continue.

TCP/IPv4 Selected TCP/IPv6 Selected

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5 Double-click Internet Protocol Version 4 (TCP/IPv4) to conﬁgure

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TCP/IPv4.

Note: If your cable provider requires TCP/IP version 6, double-click Inter- net Protocol Version 6 (TCP/IPv6) to conﬁgure TCP/IPv6.

The TCP/IP properties window for the version you selected displays.

TCP/IPv6 PropertiesTCP/IPv4 Properties

6 For either TCP/IPv4 or TCP/IPv6, select Obtain an IP address automati-

cally and Obtain DNS server address automatically, unless instructed

otherwise by your cable provider.

7 Click OK to accept the new settings and close the Properties window.

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TCP/IP Conﬁguration for Windows 7

Follow these steps to conﬁgure the Ethernet interface on a Windows 7 operating system.

1 Open the Windows 7 Control Panel.

2 Click Network and Internet.

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3 Click Network and Sharing Center.

4 Click Local Area Connection to open the Status window.

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5 Click Properties to open the Properties window.

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TCP/IPv4 Selected TCP/IPv6 Selected

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6 Select Internet Protocol Version 4 (TCP/IPv4) and click Properties to

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conﬁgure TCP/IPv4.

Note: If your cable provider requires TCP/IP version 6, select Internet Pro- tocol Version 6 (TCP/IPv6) and click Properties to conﬁgure TCP/IPv6.

The TCP/IP properties window for the version you selected displays.

TCP/IPv4 Properties TCP/IPv6 Properties

7 For either TCP/IPv4 or TCP/IPv6, select Obtain an IP address automati-

cally and Obtain DNS server address automatically, unless instructed

otherwise by your cable provider.

8 Click OK to accept the new settings and close the Properties window. Then

click Close to back out of the remaining setup screens.

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TCP/IP Conﬁguration for MacOS X

Follow these steps to conﬁgure the Ethernet interface on a MacOS X operating system.

1 Open System Preferences, either by choosing System Preferences from the

Apple menu or by clicking the System Preferences icon in the dock.

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2 Click the Network icon.

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3 Choose Automatic from the Location drop-down menu, and Built-in Eth-

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ernet from the Show menu.

4 Choose the TCP/IP tab, if necessary.

If you are using TCP/IPv4, go to step 5. If your cable provider requires TCP/IPv6, go to step 8.

5 Choose Using DHCP from the Conﬁgure IPv4 menu.

6 If necessary, click the Renew DHCP Lease button.

7 Close the System Properties application.

TCP/IPv4 conﬁguration is completed.

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8 If you are using TCP/IPv6, click Conﬁgure IPv6 near the bottom of the pre-

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vious window.

9 Choose Automatically from the Conﬁgure IPv6 drop-down menu and click

OK.

10 Close the System Properties application.

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Using the Telephony Gateway

This chapter describes the controls and features available on the Touchstone Telephony Gateway, and covers basic troubleshooting procedures.

• Setting up Your Computer to Use the Telephony Gateway

• Indicator Lights for the TG852

• Using the Reset Button

Setting up Your Computer to Use the Telephony Gateway

Follow the instructions in the information packet supplied by your cable company. Contact your cable company if you need help setting up your computer.

Touchstone TG852 Telephony Gateway User’s Guide

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Power

Ethernet

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WiFi

Secure

Tel 1

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Online

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WiFi

Tel 1

Tel 2

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Indicator Lights for the TG852

The Touchstone Telephony Gateway has ten LED indicator lights to assist in trouble shooting.

Wiring Problems

If the Telephony Gateway begins ﬂashing all its lights for more than 10 seconds, this indicates a problem with the telephone wiring — the red and green wires may be shorted (touching), or there may be undesired voltage on the lines. If this pattern persists for more than 10 seconds, disconnect the telephone lines from the Telephony Gateway, then call a wiring technician for assistance.

Patterns: Normal Operation (LAN and Telephone)

The following table shows light patterns for the Ethernet and wireless LANs, and the telephones, during normal operation.

Mode Ethernet WiFi Tel 1 / Tel 2

AC Power

On = Computer

Connected

Off = Computer

not connected

Flash = Com-

puter Activity

On = WiFi

Enabled

Off = WiFi

Disabled

Flash =

Computer Activity

On = On-hook

Flash = Off-hook

Off = disabled

On = On-hook

No AC Power Off Off

Flash = Off-hook

Off = disabled

Firmware Upgrade (normal operation) (normal operation) (normal operation)

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Patterns: Normal Operation (WAN and Battery)

The following table shows light patterns during normal operation.

Mode Power DS US Online Battery

AC Power

Good

No AC Power

Battery

Installed

No AC

Power No

Battery

Yellow1=

Connected

to the

Internet

(high

speed)

Green

Flash Off Off Off

Off Off Off Off Off

Connected

to the In-

ternet

(ultra-high

speed)

Flash = Not

connected

to the

Internet

Yellow1=

Connected

to the

Internet

(high

speed)

Green

Connected

to the In-

(ultra-high

Flash = Not

connected

ternet

speed)

to the

Internet

On =

Internet

available

Off =

Internet

not

available

On =

Battery

good or low

Off =

Battery missing

Flash =

Battery bad

Off = Battery

power

Flash =

Battery bad

Firmware

Upgrade

On Flash Flash On

(normal

operation)

Note 1: Your cable company may conﬁgure the Telephony Gateway to always

display the DS and US indicators in green regardless of the connection speed.

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Patterns: Startup Sequence

The following tables show the Telephony Gateway light patterns during each phase of the startup sequence. There are two phases of startup; the Telephony phase and the cable modem phase. Both are outlined below.

Telephony Start Up Sequence

Power,

DS, US,

Online

Telephone

Battery Description

1 2

Off Off Off Off No power to Modem

Flash Flash Flash Flash Power-on Self Test

See “Cable Modem Start Up Sequence”

On Flash Off Off

On Off Flash Off

On Flash Flash Off

Retrieving telephone network information

Retrieving telephone line information

Activating telephone service

Normal Operation

Note: The DS and US indicators ﬂash yellow during startup, and turn green if

the Telephony Gateway establishes an ultra-high speed connection.

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Cable Modem Start Up Sequence

DS US Online Description

Flash Off Off Downstream search

On Flash Off Downstream found; upstream search

On On Flash

On On On Ready for service

Using the Reset Button

Downstream and Upstream found; retrieving setup information from cable operator

Reset

Button

Use the Reset button, on the back of the Telephony Gateway, to reset the modem and perform initialization as if you power cycled the unit. You may need to reset the Telephony Gateway if you are having problems connecting to the Internet. Using this button will be rare.

Use a pointed non-metallic object to press this button. The photo to the left shows the location of the Reset button. The Reset button is recessed to prevent accidental resets.

The diagram on the left shows the location of the reset button.

Resetting the Router to Factory Defaults

To reset the router to factory defaults, press and hold the Reset but ton on the back of the Telephony Gateway for more than ﬁfteen seconds. This restores the wireless setup conﬁguration and router conﬁguration parameters to the factory defaults. You may need to do this if a misconﬁguration has locked out all access.

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Booting from Battery

The TG852 supports a “Boot from Battery” feature that allows the Telephony Gateway to begin service without AC power.

To start the TG852 from its battery, follow these steps:

1 If a battery is already installed in the Telephony Gateway, remove it.

2 Re-insert the battery into the Telephony Gateway (see Battery Installation

and Removal for details).

3 Press the Reset button; the Power light should turn on immediately.

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Troubleshooting

The Telephony Gateway 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 Gateway, especially when many people are online. Always leave your Telephony Gateway plugged into AC power and connected to the cable system.

Check the front panel lights:

• The Power and Online lights should be on.

• If the Power light blinks for more than 30 minutes, call your cable company for assistance.

Check your cable connections. Connectors should be 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 Gateway and CATV outlet, remove the splitters and connect the Telephony Gateway directly to the outlet.

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

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I’m not getting on the Internet. (Ethernet)

If you are using a hub, is the hub turned on?

Are you using the right type of Ethernet

cable? Use the supplied cable for direct connection to a computer; use a cross-over cable for connection to a hub.

Press the Reset button on the back of the Telephony Gateway.

A misconﬁguration could lock out all access to the Telephony Gateway router. If you think this has happened, see Resetting the Router to Factory Defaults

I’m not getting on the Internet. (Wireless)

Check the indicator lights (see Using the Telephony Gateway light should be on.

Does your connection utility discover your wireless LAN? If you turned off “Broadcast SSID” you need to manually enter the name of your wireless LAN in the connection utility.

Change your security mode to “WEP” or “disabled”. If you use “disabled,” enable one of the other security modes as soon as you ﬁnd the problem.

A misconﬁguration could lock out all access to the Telephony Gateway router. If you think this has happened, see Resetting the Router to Factory Defaults

My wireless Internet connection stops working sometimes.

This is usually caused by interference — two common sources are 2.4GHz “remote” telephones and microwave ovens. If you cannot remove the interfering product, try using a different channel or setting Protected Mode.

) — the WiFi

I can get on the Internet, but everything is slow.

If the Web site you are visiting is very popular, that site may be having trouble servicing all the requests. If other sites download quickly, wait for a few minutes and try again. Usage during peak hours may also affect the con nection speed.

Other communications on the LAN, or interference with wireless connections, may slow down your connection.

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Conﬁguration Usage Troubleshooting Glossary

I don’t have dial tone when I pick up my phone, why?

In order for telephone service to be functional on the Telephony Gateway, telephone service must have been purchased from the service provider and conﬁgured on your Telephony Gateway. The following steps should help in identifying the source of the problem.

1 Is the Power LED lit?

• If not, check to make sure the Telephony Gateway is plugged in and the outlet has power.

• If the LED is lit, go to the next step.

2 Is the Online LED lit?

• If not, check the coax connection at the Telephony Gateway and the wall. Ensure they are connected and tight. If they are and you do not have dial tone, contact your service provider.

• If the Online LED is lit, go to the next step.

3 Is the Telephone (Tele 1 or Tel 2) LED lit?

• If not, phone service has not been set up on that line. Contact your service provider.

• If it is blinking, there is a phone off hook somewhere in the house. Find that phone and hang it up.

• If it is lit, go to the next step.

4 Is the phone plugged directly into the Telephony Gateway?

• Make sure the phone is plugged into the port on the back of the Telephony Gateway labeled “Telephone 1/2” for line 1, and “Telephone 2” for line 2.

• If so, try a different phone. Make sure the new phone is a working phone.

• If a known good phone is used and you still don’t have dial tone, try a different phone cable. If a new phone and cable do not restore dial tone, call your service provider.

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Conﬁguration Usage Troubleshooting Glossary

5 Is the Telephony Gateway plugged into a wall outlet?

• If so, unplug the RJ-11 connector at the back of the Telephony Gateway and plug in a known working phone. If you now have dial tone, the problem is with the house wiring. Contact your cable company or a qualiﬁed wiring technician to correct the house wiring. If you still do not have dial tone, contact your service provider.

Touchstone TG852 Telephony Gateway User’s Guide

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Conﬁguration Usage Troubleshooting Glossary

Glossary

The following is a list of common cable and networking terms.

Amp-hour (Ah)

A measure of battery capacity. For example, a 1.0Ah battery can nominally supply one Ampere of current for one hour.

Category 5 (Cat5)

A high-quality type of cable, used for Fast Ethernet (100BaseT) connec tions. When purchasing Ethernet cables, always look for Category 5 cable.

Coaxial cable (coax)

A thin wire, used to connect your television and Telephony Gateway to the cable TV system. You can buy coax from any electronics retailer and many discount stores.

CPE

Customer Premise Equipment. This is the equipment that is plugged in to the Telephony Gateway; typically a computer or hub.

Cross-over

An Ethernet cable used to connect two hubs (or a hub and a cable modem) together. Also, some Ethernet hubs may have built-in cross-over on one or more ports (which eliminates the need for a cross-over cable).

DHCP

Dynamic Host Conﬁguration Protocol. An IP protocol used to provide an IP address and location of services (such as DNS and TFTP) needed by a device connecting to the network. DHCP allows the cable company to con ﬁgure your computer’s networking software for you.

DNS

Domain Name Service (Server). An IP service that associates a domain name (such as www.example.com) with an IP address.

Touchstone TG852 Telephony Gateway User’s Guide

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Downstream

DOCSIS

EMTA

Ethernet

EuroDOCSIS

Event

Ethernet

Conﬁguration Usage Troubleshooting Glossary

In an HFC network, the direction from the head-end to the subscriber. Some older cable documentation may refer to this as the forward path.

Data Over Cable System Interface Speciﬁcation. The interoperability standards used for data communications equipment on an HFC network.

Embedded Multimedia Terminal Adapter. An MTA device that is integrated with a cable modem.

A standard method of connecting two or more computers into a Local Area Network (LAN).

The European version of DOCSIS.

An informational message used for monitoring network status.

F-connector

The type of connector used on coax cable. There are two common types of F-connector, slip-on and screw-on. Use coax with screw-on connectors for connecting your Telephony Gateway.

Firewall

A hardware or software device that prevents unauthorized access to a private network from the Internet. The TG852 provides a built-in ﬁrewall.

Gateway

The device, usually a router, that connects devices on a given IP subnet to other IP subnets.

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Headend

HTTP

Hub

IP address

ISDN

LAN

Ethernet

Conﬁguration Usage Troubleshooting Glossary

The “central ofﬁce” in an HFC network. The headend houses both video and data equipment. In larger cable networks, a “master” headend often feeds several “remote” headends to provide distributed services.

HyperText Transfer Protocol.

A box with several Ethernet connectors. Ethernet hubs provide a common point of contact for all connected devices.

A number assigned to your computer by your cable company, used to identify your computer to other systems on the Internet.

Integrated Services Digital Network. A digital telephony standard that provides communication speeds about twice as fast as standard dialup.

Local Area Network. A network that allows computers in a single location (such as a building) to communicate with one another.

LED

Light Emitting Diode. A semi-conductor diode that emits light when current is passed through it.

MAC address

A number that uniquely identiﬁes any device connected to a network. Your cable company uses your Telephony Gateway’s MAC address to authorize access to the Internet. The MAC address is printed on a label on the bottom of your Telephony Gateway.

Protocol

A set of rules and formats that determines the communication behavior of network entities at a given layer.

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Proxy

RJ-11

RJ-45

Splitter

Ethernet

Conﬁguration Usage Troubleshooting Glossary

A device or program that stands in between a server (for example, a web site) and a client (your browser), providing a way to relieve some of the burden from the server. For example, your cable company may have a web proxy that keeps copies of popular web pages; the proxy can send you those pages instead of fetching them directly from the web site, resulting in faster page loading and less network congestion.

Abbreviation for Radio Frequency. Some literature refers to coax as “RF cable” and the connectors as “RF connectors.”

A standard 2-conductor modular connector, commonly used in North America for connecting telephones.

A standard 8-conductor modular connector, commonly used on Ethernet cable. An RJ-45 connector looks like a wide RJ-11 (telephone) connector.

A small box with three cable connectors: one input and two outputs. You may need a splitter if you have a TV already connected to the cable outlet that you want to use for your Telephony Gateway. You can buy a splitter from any electronics retailer and most discount stores.

SSID

Service Set IDentiﬁer, a string of text (up to 32 characters long) that uniquely identiﬁes a wireless LAN.

Switched outlet

A power outlet that may be turned on and off using a wall switch. Usually intended for lamps. Avoid plugging your computer or Telephony Gateway into a switched outlet to avoid disruptions.

TCP/IP

Transmission Control Protocol/Internet Protocol. The protocols used to facilitate communications across one or more connected networks.

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Getting Started

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Wireless

Conﬁguration

TDMA

Time Division Multiple Access. A method used by DOCSIS-compliant cable modems for sending upstream data with minimal interference.

Upstream

The path from a subscriber device to the headend. Some older cable documentation may refer to this as the return path or reverse path.

WEP

Wired Equivalent Privacy, a common standard for encrypting data sent over a wireless LAN.

WPA

Wi-ﬁ Protected Access, a standard for encrypting data sent over a wireless LAN. WPA offers improved security over WEP.

Ethernet

Conﬁguration Usage Troubleshooting Glossary

Touchstone TG852 Telephony Gateway User’s Guide

Touchstone® TG852 Telephony Gateway User’s Guide Export Regulations Safety Requirements FCC Part 15 European Compliance Getting Started About Your New Telephony Gateway What’s in the Box? What’s on the CD? Items You Need Getting Service System Requirements Recommended Hardware Windows MacOS Linux/other Unix About this Manual What About Security? Ethernet or Wireless? Wireless Both Battery Installation and Removal TG852 Basic Battery Installation and Replacement TG852 Extended Battery Installation and Replacement Installing and Connecting Your Telephony Gateway Front Panel Rear Panel Selecting an Installation Location Factors Affecting Wireless Range Mounting the Telephony Gateway Tools and Materials Location Instructions Wall-mounting instructions Desktop mounting instructions Connecting the Telephony Gateway Conﬁguring Your Wireless Connection Accessing the Conﬁguration Interface Conﬁguring Your Ethernet Connection Requirements How to use this chapter TCP/IP Conﬁguration for Windows 2000 TCP/IP Conﬁguration for Windows XP TCP/IP Conﬁguration for Windows Vista TCP/IP Conﬁguration for Windows 7 TCP/IP Conﬁguration for MacOS X Using the Telephony Gateway Setting up Your Computer to Use the Telephony Gateway Indicator Lights for the TG852 Wiring Problems Patterns: Normal Operation (LAN and Telephone) Patterns: Normal Operation (WAN and Battery) Patterns: Startup Sequence Cable Modem Start Up Sequence Using the Reset Button Resetting the Router to Factory Defaults Booting from Battery Troubleshooting Glossary

Touchstone®

TG852 Telephony Gateway User’s Guide

The information in this document is subject to change without notice. The statements, conﬁgurations, technical data, and recom mendations in this document are believed to be accurate and reliable, but are presented without express or implied warranty. Users must take full responsibility for their applications of any products speciﬁed in this document. The information in this docu ment is proprietary to ARRIS.

ARRIS, Touchstone, and the ARRIS logo are trademarks or registered trademarks of ARRIS Group. All other trademarks and reg istered trademarks are the property of their respective holders.

Protected under one or more of the following U.S. patents: 7,031,435; 7,100,011. Other patents pending.

ARSVD01310 Release 8 Standard 1.1 May 2010

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