FCC ID: OF2PCSR30 licensed base station

Chapter 13:

User Manuals Chapter 13 User Manuals Overview The AT&T Local Service Customer Location User Manual is included in this chapter. AT&T Wireless Services 11576 Rev. 1.0 8/2/00 13-1 AT&T Digital Broadband Customer Guide All Equipment, as dened in your AT&T Digital Broadband Services Agreement (the Agreement), is and shall remain the property of AT&T, and may be removed by AT&T at any time the service is disconnected, or at any reasonable time AT&T desires to make an exchange or modication of such Equipment as further outlined in the Agreement. AT&T Digital Broadband:

One Big Connection for Your Home Communication Needs Congratulations!

You Made the Right Choice As an AT&T Digital Broadband customer, you have one company that serves all your home communication needs, with the convenience of one monthly bill and one number to call for customer service. Its all yours as an AT&T Digital Broadband customerhigh speed Internet access as well as local and long distance servicewith the superior service you expect from AT&T. This booklet is your guide to the wide range of services available as an AT&T Digital Broadband customer. If you have questions or need support, AT&T Digital Broadband customer service representatives are ready to assist you. Whats Inside Getting Started . 2 Calling Conveniences and Standard Features . 6 Included Calling Features . 7 AT&T Provided Equipment . 18 1 AT&T Digital Broadband Customer Guide Getting Started Looking for answers to questions about your high speed Internet access or phone service?

Look no further. If this guide doesnt address all your questions, our customer service representatives are available to help you with answers or troubleshooting. We have all the information you may need, so give us a call. AT&T Digital Broadband Customer Service 1-877-ATT-DGTL

(1-877-288-3485) Here are the basicsfrom directions on placing calls and nding phone numbers to information on billing. Domestic Calls from Home For calls within your own area code, just dial the 7- or 10-digit phone number. For calls outside your area code, dial 1 + the area code

+ the 7-digit phone number. Operator-Assisted Calls To make a collect person-to-person, or operator-assisted call from anywhere within the United States, dial 1-800-CALL-

ATT

(1-800-225-5288) when you are away from home, or simply dial 0 from home. Service Additions If you would like additional services, AT&T Digital Broadband representatives are ready to assist you at 1-877-ATT-DGTL (1-877-288-3485). International Calls from Home To place the call yourself, dial 011+ the country code + the phone number If you dont know the country code, or wish to have an AT&T Operator place the call for you, simply dial 0. 2 911 Emergency Calls For emergency police, re, or medical assistance:

1. Dial 911. If 911 is not available, dial 0. 2. Follow the 911 operators instructions. You can dial 911 free of charge from any phone. Note: 911 should be used only in emergency situations in which there is immediate danger to life, health, or property. For non-emergency situations, please contact the police, re department, or medical authorities at the number listed in your phone book, or call Directory Assistance. AT&T 00 Info Directory Assistance Simply dial 00 from home to nd any listed number in the U.S., whether its local or long distance, even when you dont have the exact name or location. When youre away from home, dial 1-800-CALL-ATT use your CALL ATT Calling Card or major credit card for billing.

, follow the prompts, and Trying to nd a friends new home phone number or the number for the hotel where youre staying on your business trip? Heres where youll nd the assistance you need. 3 AT&T Digital Broadband Customer Guide Calls Away from Home: Calling Card and Credit Card Calls These services make it easy to stay in touch. Whether youre calling home to nd out what you need to pick up at the grocery store or calling the ofce from the airport, youre always within reach. Your CALL ATT Calling Card can be used for all calls, not just long distance. If you dont have a CALL ATT Calling Card, or if youd like to order additional cards, call 1-877-

ATT-DGTL (1-877-288-3485). There is no charge to receive the card.1 To place a call with your CALL ATT Calling Card or credit card:

1. Dial 1-800-CALL-ATT 2. Listen for the AT&T tone, then press 1. 3. Listen for and follow the simple, step-by-step calling

(1-800-225-5288). instructions. Here are some time-saving tips when using your CALL ATT Calling Card or credit card:

Press # to place the next call without hanging up. Press #123 to leave a message if the line is busy or not answered. Press * to correct a mistake when dialing. 1. When calling from your home, AT&T Digital Broadband supports only AT&T-branded calling cards. Currently, other telephone company calling cards are not supported by this service. 4 AT&T Digital Broadband - High Speed Internet Access AT&T Digital Broadband high speed Internet access offers the following:

Always On1 access to the Internet, with no dialing, and no busy signals. Browse the Web up to 12 times faster than typical modems. Multiple Internet connections and phone calls on the same line at the same time.2 Share printers and les, or enjoy multiple player gaming with a compatible in-home network. PC Equipment Requirements The following are minimum customer PC requirements:

CPU Windows 95 Windows 98

: Pentium class processor or higher

: Pentium class processor or higher Memory Windows 95 Windows 98

: 16 megabytes (MB)

: 32 megabytes (MB) One free PCI slot or parallel port adapter CD-ROM drive Display - VGA or higher resolution Mouse or pointing device Operating system installation disks or CD-ROM must be available To learn more about AT&T Digital Broadband high speed Internet access, call an AT&T Digital Broadband representative at 1-877-ATT-DGTL (1-877-288-3485). 1. To sustain Always On status, users must initiate one Internet action within each 24-hour period. 2. Assumes more than one PC in the home. Each PC requires additional hardware and software. 5 AT&T Digital Broadband Customer Guide About Your AT&T Bill Your AT&T bill will include the following information:

A toll-free number for service and billing inquiries 1-877-ATT-DGTL (1-877-288-3485) The date the bill was calculated (bill-rendered date) The payment due date Internet1 charges An itemized list of long distance charges for the service period covered by the bill, including monthly service charges listed by date incurred. Calling Conveniences and Standard Features Your AT&T Digital Broadband package includes many features. If you would like to add additional features to your AT&T Digital Broadband at any time, just call Customer Service at 1-877-ATT-DGTL (1-877-288-3485). AT&T Digital Broadband Residential service includes the following features:

Touch-Tone Dialing2 One residential listing in the telephone directory per telephone number Unlimited local service Local toll service Long distance service Selected calling features: Call Waiting, Caller ID, and Three-Way Calling 1. Internet charges are only applicable to AT&T WorldNet 2. AT&T Digital Broadband supports only touch-tone equipment. Service subscribers. 6 Included Calling Features Your AT&T Digital Broadband includes the selected features described below. Dont Miss a Call: Call Waiting A special tone signals you if theres an incoming call while youre already on the phone. When you hear the tone, briey press and immediately release the telephone switch hook (dial tone button) or ash button. This will put the rst call on hold while you answer the second call. To return to the rst call (and to switch back and forth), simply press and release the switch hook or ash button again. To temporarily deactivate Call Waiting so that you will not be interrupted by a Call Waiting signal during a particular call, dial *70 from a touch-tone phone and wait for a second dial tone before placing your call. Call Waiting will automatically be reactivated for new incoming calls when you hang up. Always Know Whos Calling:

Caller ID Now you can see the name and phone number of each incoming call automatically displayed on a special unit. The unit also shows the date and time of the call (if available) and is activated simply by following the instructions that accompany the unit.1 Note: Caller ID will not identify calls from pay phones, some cellular phones, areas without advanced switching capabilities, or if the calling party blocks their number. Call Waiting makes sure you dont miss a call when youre already on the phone. Whether you have roommates, run a business from home, or have teenagers constantly receiving calls, Caller ID lets you know who is calling and when youre away, Caller ID will tell you what calls you missed when you return. 1. You must purchase the display unit through a telephone equipment supplier. 7 AT&T Digital Broadband Customer Guide Now you can have a conversation with two people simultaneously, any time you want. This feature is perfect when you have good news to share or you just feel like having a reunion over the phone. Talk to Two Parties at Once:

Three-Way Calling 1. When youre on the phone with one person, briey press and release the switch hook or ash button. 2. When you hear a series of short beeps and then a dial tone, dial the number of the second person who will be on the call. 3. When the second person answers, press and release the switch hook or the ash button to reconnect the rst person and start the three-way call. Note: Your call will stay connected if either of the other parties hangs up. As the host, only you can end the call when you hang up, the other parties are also disconnected. 8 Additional Features Available To upgrade your service to include any of these additional features, just call 1-877-ATT-DGTL

(1-877-288-3485).1 Now you can quickly place a call just by dialing a two-digit code. Speed Dialing 30 can store up to 30 different local or long distance phone numbers. Speed Dialing 30 To setup your speed dial list:

1. Dial *75 from a touch-tone phone. 2. When you hear a second dial tone, dial your selected speed dial code (any number between 20 through 49) followed by the 7- or 10-digit telephone number (1+10 digits for long distance calls). 3. Press # and listen for several short tones that will conrm your entry. 4. Repeat the process for each additional number (up to a total of 30 numbers). 5. When you want to call one of these numbers, simply pick up your phone and press the preset two-digit code, and your call will be connected. To change a number on your Speed Dialing list, simply follow the steps above and enter the new telephone number using the same speed dial code. 1. Monthly service, per use charges, and/or long distance charges apply. 9 AT&T Digital Broadband Customer Guide Repeat Dialing will continue to try a number for you if the number is busy or if there is no answer the rst time you dial itsuch as when youre trying to reach a box ofce the rst day tickets go on sale. Now your world doesnt have to stop while youre waiting to get through!

Repeat Dialing 1. Dial the number youre trying to reach from a touch-

tone telephone. 2. If the line is busy or there is no answer, hang up then pick up the phone again and dial *66. 3. Repeat Dialing will dial the number every 60 seconds for up to 30 minutes and will signal you with a special call-back ring when the line is clear and your call is ready to go through. 4. Pick up the phone to complete the connection. To cancel all outstanding feature requests at any time before the 30 minutes are up, pick up the phone and dial *86. After an announcement tells you this feature has been deactivated, simply hang up. 10 Call Return With Call Return, you can dial the last number that called you, whether you answered the call or not. 1. Dial *69 after any incoming call. An announcement will provide the calling number (if available) and time of the last incoming call. To activate Call Return for the number, press 1 any time during the announcement. 2. If the line is busy, Call Return will check the line for the next 30 minutes and alert you with a special call-back ring as soon as the line is clear and your call can be put through. In the meantime, you can place or receive other calls as usual. 3. When you hear the special call-back ring, just pick up the phone to be connected. 4. To cancel Call Return at any time before the 30 minutes are up, just pick up the phone and dial *89. When you hear an announcement conrming that your Call Return request has been deactivated, simply hang up. Distinctive Ring Service 1. To setup your Distinctive Ring service, simply dial *61 to reach an interactive menu. 2. Follow the prompts to enter the telephone numbers you wish to receive a distinctive ring, and press # after entering each number. 3. To activate the feature, press 3. 4. To deactivate the feature, simply dial *81. The telephone numbers you have already entered will remain in the system, ready to be re-activated any time you dial *61. If youve ever rushed to answer the phone only to have it stop ringing when you get to it, youll appreciate the convenience of this feature!

Take the guesswork out of who should answer the phone when it rings. With Distinctive Ring Service, you can select up to twelve incoming-call phone numbers that will each have a distinctive ring. 11 AT&T Digital Broadband Customer Guide Call Forwarding Several Call Forwarding options are available with AT&T Digital Broadband. This service automatically forwards every incoming call to another number you specify (up to 32 digits). Call Forwarding - Remote Access lets you activate, deactivate, and change the features of Call Forwarding when youre away from home. Youll receive a PIN when you sign up for the service. If you wish to change or reset your PIN, simply call us. 12 Call Forwarding - Variable 1. Dial *72 and listen for the second dial tone. 2. Enter the number to which you want your calls forwarded (up to 32 digits). 3. When prompted, verify the number by pressing 1. 4. To activate, press 3 and then hang up. 5. To deactivate, simply dial *73. Note: You must follow these steps each time you use Call Forwarding. The forwarding number is not saved. Call Forwarding - Remote Access 1. Dial the appropriate access number for your home area code (listed here), then dial your 10-digit telephone number and PIN. Area Code Access Number 214 972 469 817 940 214-306-0001 214-306-0002 469-557-9898 817-841-9898 940-297-9898 2. Dial *72 and listen for the second dial tone. 3. Follow the prompts and enter the number to which you want your calls forwarded (up to 32 digits). Note: You must follow these steps each time you wish to use Call Forwarding - Remote Access. This service automatically forwards only incoming calls from the telephone numbers you select. Calls from any other telephone number will not be forwarded. You can program up to 12 different telephone phone numbers. Call Forwarding - Selective 1. Dial *63 and follow the instructions to review the list, change, or enter a new number you can forward. 2. Enter the 10-digit telephone number (1 + 10 digits for long distance calls) to which incoming calls from your pre-selected numbers are to be forwarded, and follow the prompts to conrm it. 3. Alternatively, enter the telephone numbers on the screening list that are to be forwarded, and press # after each one. 4. After youve nished your list, listen for the announcement conrming that Call Forwarding - Selective has been activated and hang up. 5. To deactivate, simply dial *63. Call Forwarding - No Answer 1. To activate the feature, simply dial *92, listen for the conrmation tone, and hang up after you hear a dial tone. 2. To deactivate the feature, dial *93, listen for the conrmation tone, and hang up after you hear a dial tone. Note: Calls forwarded to your cellular phone will be billed to you at your cellular phones contract price. This service automatically forwards your incoming calls to another phone

(i.e., cellular phone) if you dont pick up after 20 seconds. You can combine Call Forwarding - No Answer with Call Forwarding - Busy Line. 13 AT&T Digital Broadband Customer Guide Call Forwarding - Busy Line automatically forwards any incoming call to the number you select. When your line is bust you can combine Call Forwarding - Busy Line with Call Forwarding - No Answer. Call Screening allows you to reject incoming calls from up to 12 dialing numbers you select. Call Forwarding - Busy Line 1. To activate this feature, simply dial *90, listen for the conrmation tone, and hang up after you hear a dial tone. 2. To deactivate this feature, dial *91, listen for the conrmation tone, and hang up after you hear a dial tone. Note: Calls forwarded to your cellular phone will be billed to you at your cellular phones contract price. Call Screening 1. Dial *60 and follow the instructions to activate or deactivate the feature and to update or change the list of numbers you wish to reject. 2. To activate the feature, press 3. 3. Dial *80 to automatically deactivate the feature. If you want to reject an incoming call marked as Private (i.e., you dont have the number of the caller), you may add it to the screen list after receiving such a call. Simply dial #01# to add the last incoming call to your screen list during the screen list editing session. Anonymous Call Rejection allows you to automatically reject incoming calls from a number that has Caller ID Blocking or is marked Private. Anonymous Call Rejection To activate this feature, dial *77. To deactivate the feature, dial *87. 14 You can keep your phone number and name anonymous to any party you call. If the receiving party has Caller ID, they simply see the words Private or Anonymous. You can use Caller ID Blocking on a per call basis. Caller ID Blocking - per Line Once you subscribe to this feature, your telephone number will no longer be displayed when you call someone who has Caller ID. To deactivate this feature on a per call basis:

1. Pick up the phone and listen for a dial tone. 2. Press *82 and wait for another dial tone. 3. Complete the call as usual. 4. When you hang up, your Caller ID Blocking is automatically re-connected for the next call. Caller ID Blocking - per Call With this feature, you can block your telephone number from displaying on any call you make. Otherwise, it will be displayed as usual. To initiate Caller ID Blocking for a call you are about to place:

1. Pick up the receiver and listen for a dial tone. 2. Press *67 and wait for another dial tone. 3. Complete the call as usual. Note: To activate this feature, you must follow these steps for each call on which you want to use Caller ID Blocking. 15 AT&T Digital Broadband Customer Guide If you ever receive a harassing or threatening phone call, you now have the ability to trace the call. Call Trace To activate the Call Trace feature:

1. Hang up immediately from the offensive phone call. 2. Wait 10 seconds, pick up the handset, and dial *57. 3. If the call trace is successful, you will receive instructions on how to deliver the call trace information to the local law enforcement authorities. If the call trace was not successful, you will receive an error message. With this feature, incoming long distance calls have a special ring to distinguish them from local calls. Long Distance Alert With this feature, incoming long distance calls have a special ring to distinguish them from local calls. The long distance ringing pattern contains three rings. If you also have Call Waiting, an incoming long distance call will provide a distinctive call waiting tone with three beeps. 16 Inside Wire Maintenance Plan If you have the AT&T Digital Broadband Inside Wire Maintenance Plan, call 1-877-ATT-DGTL (1-877-288-3485) to report a problem with your inside wiring and well send a technician to x the problem at no additional charge to you. If you choose not to subscribe to the plan and theres a problem with your inside wiring, youre responsible for arranging and paying for repairs. To repair the inside wiring, you can:

Call 1-877-ATT-DGTL (1-877-288-3485) to arrange for AT&T Digital Broadband to perform the repairs; you will be billed for the time necessary to complete the repairs. Hire a contractor to do the work. Perform the repairs yourself. If youre not sure whether or not your AT&T Digital Broadband plan includes the Inside Wire Maintenance Plan1, or if you want to sign up for it, just call 1-877-ATT-DGTL (1-877-288-3485). Restricted Service You can prevent your phone from being used to make or receive certain types of calls, including collect calls, calls billed to a third party, international calls, local-toll and long distance calls, operator calls, and directory assistance calls2. For more information or to order Restricted Service, call 1-877-ATT-DGTL (1-877-288-3485). 1. The AT&T Digital Broadband Inside Wire Maintenance Plan covers only telephone wiring that is in working condition at the time you sign up. 2. 900 and 976 calls are blocked for all customers. 17 AT&T Digital Broadband Customer Guide AT&T Provided Equipment AT&T provided equipment may be Model OD-CLRUDD6AXX or Model ID-CLATD41AXX. Please refer to these model numbers when contacting AT&T Digital Broadband Customer Service. Model OD-CLRUDD6AXX Network Interface Device

(Junction Box) Remote Unit

(Antenna) Uninterruptible Power Supply

(UPS) Refer to Appendix A for troubleshooting and safety information about Model OD-CLRUDD6AXX. Model ID-CLATD41AXX and Model OF2PCSR30 Indoor Unit Outdoor Unit

(Antenna) Refer to Appendix B for troubleshooting and safety information about Model ID-CLATD41AXX and Model OF2PCSR30. 18 Appendix A Troubleshooting and Safety Information for Model OD-CLRUDD6AXX Finding the Source of a Problem with Your Phone One of the many advantages of AT&T Digital Broadband is easy maintenance. Because we use digital wireless technology, you no longer have to worry about problems with outside wiring. This reduces service repair to possibilities such as your telephone itself or the inside wiring. Youre just one phone call away from helpful solutions. Whether youre looking for more information about AT&T Digital Broadband features, experiencing difculty with your phone, or need to reach emergency assistance, were here to help. AT&T Digital Broadband Customer Service 1-877-ATT-DGTL

(1-877-288-3485) Special Conditions This table provides possible solutions to special conditions you may encounter. Condition Possible Cause Action to Take No dial tone Phone off hook No power Check all telephones to verify they are on hook. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Ensure the power cord is plugged into the UPS and the power outlet is active. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. 19 AT&T Digital Broadband Customer Guide Condition Possible Cause Action to Take Noisy telephone line Faulty inside wiring Dial tone present but unable to initiate telephone call Faulty telephone Pulse dial telephone No high speed data service Unit in error mode No power If equipment, such as a fax machine or PC, have been added to the circuit, disconnect and check if the problem is resolved. If there is more than one phone, determine if the problem is on all phones. Try another phone to determine if the phone model is causing the problem. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Replace telephone. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Switch to the tone dial feature of your current telephone, if available, or replace with a tone dial telephone. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Contact AT&T Digital Broadband Customer Service. Ensure the power cord is plugged into the unit and the power outlet is active. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. 20 General and Safety Precautions Retain and follow all safety and operating instructions for this product. Observe all warnings on the product and in the operating instructions. Warning: In addition to proper usage and operation, the following are some basic precautions that should always be followed when operating or placing objects within close proximity to equipment:

Heed all service markings. Do not service any AT&T product yourself. Opening or removing covers that are marked with a warning label may expose you to electric shock. Components inside these compartments should only be serviced by AT&T. Do not place or construct objects in close proximity to the Remote Unit. Do not paint the Remote Unit. Do not disconnect, reroute, or otherwise modify the grounding cable or other cables connected to the equipment. 21 AT&T Digital Broadband Customer Guide Appendix B Troubleshooting and Safety Information for Model ID-CLATD41AXX and Model OF2PCSR30 Finding the Source of a Problem with Your Phone One of the many advantages of AT&T Digital Broadband is easy maintenance. Because we use digital wireless technology, you no longer have to worry about problems with outside wiring. This reduces service repair to possibilities such as your telephone itself or the inside wiring. Youre just one phone call away from helpful solutions. Whether youre looking for more information about AT&T Digital Broadband features, experiencing difculty with your phone, or need to reach emergency assistance, were here to help. AT&T Digital Broadband Customer Service 1-877-ATT-DGTL

(1-877-288-3485) Frequently Asked Questions Information in this section assumes your inside wiring is installed as shown in this gure. Inside Wiring Telephone Connection Note: Some locations may not have wiring available for Line 2. 22 The Indoor Unit has two telephone connectors, or jacks, as shown below: L1&2 and L2&1. Indoor Unit Telephone Connectors Note: The center pair of wires indicate the active line. How do I connect a Fax Machine or a one-line telephone to Line 2?

Connect the Fax or telephone1 directly to the L2&1 jack on the back of the Indoor Unit, if convenient, or to the Line 2 jack of a splitter plugged into any wall telephone jack. If you have any problems, contact AT&T Digital Broadband Customer Service. How do I connect a two-line telephone and have the Line 1 number ring Line 1?

Connect the L1&2 jack on the back of the Indoor Unit to any wall telephone jack and plug the two-

line telephone to any other wall telephone jack in the house. If you have any problems, contact AT&T Digital Broadband Customer Service. Can I connect a two-line telephone to have the Line 1 number ring Line 2?

Yes, you can. Connect the L2&1 jack to a wall telephone jack. Calling the Line 1 number will cause Line 2 to ring on any telephone plugged into the wall telephone jack in the house. If you have any problems, contact AT&T Digital Broadband Customer Service. 1. All customer-supplied equipment (such as telephones, fax machines, modems, etc.) must comply with FCC regulations, Chapter 47, Parts 2, 15, 24, and 68, regarding attachment of equipment to the telephone network. Due to variances in the manufacturers product design, some equipment may not work properly. 23 AT&T Digital Broadband Customer Guide How do I reconnect the dual RG-6 cable to the Indoor Unit if it is inadvertently disconnected?

Connect the lettering side of the dual RG-6 cable to the T connector on the back of the Indoor Unit as shown in this gure. Customer Location Equipment Interconnections How do the telephone connections work if I have three or four lines?

If you have three or four lines, you will have L3&4 and L4&3 jacks on the back of the Indoor Unit. These jacks function identically to the L1&2 and L2&1 jacks for Line 1 and Line 2 respectively. High-speed data connectivity to your personal computer, however, is only available on Line 1 and Line 2. Note: You will lose phone service if you disconnect the dual RG-6 cable from the Indoor Unit. 24 Special Conditions This table provides possible solutions to special conditions you may encounter. Condition Possible Cause Indicator light off No power Indicator Light Off Indicator light yellow No AC power Yellow Indicator light red Communication to Outdoor Unit malfunctioning Red Error Red Action to Take Ensure the power cord is plugged into the unit and the power outlet is active. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. The Indoor Unit is currently running on battery power. Ensure the power cord is plugged into the unit and the power outlet is active. Also check the circuit breaker for a tripped switch. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. The dual coaxial cable between the Indoor Unit and the Outdoor Unit should never be removed. If you have disconnected these cables at any time, verify that they have been reconnected as indicated in the Customer Location Equipment Interconnections drawing on page 24. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Contact AT&T Digital Broadband Customer Service. 25 AT&T Digital Broadband Customer Guide Condition Possible Cause No dial tone Phone off hook Indicator Light Green No power Off Inside wiring not connected to unit Green Noisy telephone line Faulty inside wiring Green Dial tone present but unable to initiate telephone call Faulty telephone Green Pulse dial telephone Green Action to Take Check all telephones to verify they are on hook. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Ensure the power cord is plugged into the unit and the power outlet is active. If this does not resolve the issue, contact AT&T Digital Broadband sustomer service. Unplug the telephone cable from the L1&2 and L2&1 connectors. Plug a telephone directly into the L1&2 connector at the back of the unit. If you get a dial tone, check your home inside wiring. If you do not get a dial tone, contact AT&T Digital Broadband Customer Service. Unplug the telephone cable from the L1&2 and L2&1 connectors. Plug a telephone directly into the L1&2 connector at the back of the unit. If the line clears up, check your home inside wiring. If equipment, such as a fax machine or PC, have been added to the circuit, disconnect and check if the problem is resolved. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Replace telephone. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. Switch to the tone dial feature of your current telephone, if available, or replace with a tone dial telephone. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. 26 Condition Possible Cause No high speed data service Unit in error mode No power Indicator Light Red Off No connection between PC HomeLAN card and Indoor Unit Green Action to Take Contact AT&T Digital Broadband Customer Service. Ensure the power cord is plugged into the unit and the power outlet is active. If this does not resolve the issue, contact AT&T Digital Broadband Customer Service. First verify that the HomeLan card and software have been installed correctly (refer to HSD Users Guide). Ensure that the connect indicator on the PC HomeLan card is on. If not, unplug the telephone cable from the L1&2 and L2&1 connectors. Plug the PC HomeLan card directly into the L1&2 connector at the back of the Indoor Unit. If you get the connect light, there is a problem with your home inside wiring. Attempt to connect with PC at a different outlet. If you are still unable to connect, contact AT&T Digital Broadband Customer Service. 27 AT&T Digital Broadband Customer Guide General and Safety Precautions Retain and follow all safety and operating instructions for this product. Observe all warnings on the product and in the operating instructions. Warning: In addition to proper usage and operation, the following are some basic precautions that should always be followed when operating or placing objects within close proximity to equipment:

Heed all service markings. Do not service any AT&T product yourself. Opening or removing covers that are marked with a warning label may expose you to electric shock. Components inside these compartments should only be serviced by AT&T. Avoid placing or installing radiators, heat registers, stoves, and other similar products near the Indoor Unit. Do not place or construct objects in close proximity to the Outdoor Unit. Do not paint the Outdoor Unit. Do not disconnect, reroute, or otherwise modify coaxial cables connecting to the Indoor Unit, Outdoor Unit, or the surge arrestor or you will lose telephone service. Do not disconnect, reroute, or otherwise modify the grounding cable or other cables connected to the surge arrestor. Do not place objects weighing more than 100 lbs. on the desktop version of the Indoor Unit. Do not use the wall-mounted Indoor Unit as a shelf or step. Do not hang items on the wall-mounted Indoor Unit. Do not remove the cover of the Indoor Unit. Only AT&T service personnel should replace batteries in the Indoor Unit. Do not block ventilation holes on the Indoor Unit. 28 Caution: In addition to proper usage and operation, the following are some basic precautions that should always be followed when operating or placing objects within close proximity to the Indoor Unit:

Do not use a telephone to report a gas leak while you are in the vicinity of the leak. Do not connect or use a modem or telephone (other than a cordless type) during a lightning storm. There may be a remote risk of electric shock from lightning. Unplug the Indoor Unit from the electrical outlet and refer servicing to AT&T under the following conditions:

The power cord, extension cord, or plug is damaged. A liquid has been spilled or an object has fallen onto the Indoor Unit. The Indoor Unit has been exposed to rain or water. The Indoor Unit has been dropped or damaged. The Indoor Unit does not operate normally when you follow the operating instructions. 29 For more information about AT&T Digital Broadband, call us at 1-877-ATT-DGTL (1-877-288-3485). 1995-2000 AT&T Wireless Services. All rights reserved. Doc. No. 11354, Rev. 3.0