background image

Extended Data Commands

71

Extended Data 
Commands

&$

Displays a list of ampersand (&) commands.

&An Enables/disables added result code subsets (see Xn).

&A0 ARQ result codes disabled

&A1 ARQ result codes enabled

&A2 V.32 modulation indicator added

&A3 Protocol indicators added LAPM/MNP/NONE (error control) 

and V42bis/MNP5 (data compression)

&Bn Manages modem's serial port rate.

&B0 Variable, follows connection rate

&B1 Fixed serial port rate

&B2 Fixed in ARQ mode, variable in non-ARQ mode

&Cn Controls Carrier Detect (CD) signal.

&C0 CD override

&C1 Normal CD operations

&Dn Controls Data Terminal Ready (DTR) operations.

&D0 DTR override

&D1 DTR toggle causes online Command mode

&D2 Normal DTR operations

&D3 Resets on receipt of DTR

&Fn Loads a read-only (non-programmable) factory 
configuration.

&F0

Generic template

&F1

Hardware flow control template

Summary of Contents for 3CP5610A - U.S. Robotics 56K V90 PCI Performance Pro Faxmodem...

Page 1: ...http www usr com U S Robotics Modems User s Guide Published September 2000...

Page 2: ...ENSE TXT If you are unable to locate a copy please contact U S Robotics and a copy will be provided to you UNITED STATES GOVERNMENT LEGEND If you are a United States government agency then this docume...

Page 3: ...XTERNAL MODEMS WITH SPEAKERPHONE Making a Speakerphone Call with a Telephone 5 External Modems with Speakerphone 5 Internal Modems with Speakerphone 5 Making a Speakerphone Call with Communications So...

Page 4: ...Modem as a USB Device 20 If You Are Using This Modem as a Serial Device 21 My software isn t recognizing my modem 22 My modem won t dial out or doesn t answer incoming calls 23 For Both Dialing and An...

Page 5: ...il Users 40 My modem sounds like it s trying to connect to another modem but fails 40 My modem isn t achieving a 56K Internet connection 40 Internal PCI Modems 41 Basic Troubleshooting Steps 41 My com...

Page 6: ...64 Basic Data Commands 64 Extended Data Commands 71 S Registers 80 Bit Mapped Registers 84 7 REGULATORY INFORMATION Manufacturer s Declaration of Conformity 89 Tested to comply with FCC Standards for...

Page 7: ...Modulation Schemes ITU T V 92s ITU T V 90 x2TM technology ITU T V 34 ITU T V 34 ITU T V 32bis ITU T V 32 ITU T V 22bis ITU T V 22 ITU T V 23 Bell 212A ITU T V 21 Bell 103 models 5686 5687 5609 5610 56...

Page 8: ...V 90 V 92 28000 29333 30666 32000 33333 34666 36000 37333 38666 40000 41333 42666 44000 45333 46666 48000 49333 50666 52000 53333 54666 56000 Back Channel Link Rates upload V 92 28000 29333 30666 320...

Page 9: ...Link Rates 3 V 32bis Link Rates 4800 7200 9600 12000 14400 Additional Link Rates 300 1200 75 V 23 1200 2400 Fax Link Rates 2400 4800 7200 9600 12000 14400 DTE Rates 300 1200 2400 9600 19200 38400 5760...

Page 10: ...4 CHAPTER 1 56K FAXMODEM PRODUCT FEATURES...

Page 11: ...top of the modem 5 Hang up the handset 6 To end the call press the SPEAKER button again Internal Modems with Speakerphone See your modem s communications software manual for instructions Making a Spe...

Page 12: ...use a phone handset instead of the speaker by lifting the handset To use the speaker again press the SPEAKER button and then hang up the handset Adjusting Speaker Volume Press the up and down volume...

Page 13: ...1 Click Start point to Settings and then click Control Panel 2 Double click the Add Remove Programs icon 3 Scroll down select your modem and click Add Remove 4 A reminder that your U S Robotics modem...

Page 14: ...14 Replace the computer s cover Your modem has now been completely uninstalled Uninstalling an Internal Faxmodem 1 First remove the modem from the Windows operating system From the Start menu point to...

Page 15: ...Click to highlight the name of the modem you wish to remove 6 Click the Remove button 7 Remove the phone cords from the modem s TELCO and PHONE jacks 8 Shut down Windows and turn off your computer CA...

Page 16: ...10 CHAPTER 3 UNINSTALLING A U S ROBOTICS MODEM...

Page 17: ...t on the front panel will be on 2 Is your power supply connected properly to both your modem and an electrical outlet If it is check the outlet with another electric device like a lamp to be sure that...

Page 18: ...cord properly connected The phone cord should be plugged into the jack labelled on the modem and into the wall phone jack Use the phone cord included in your modem s box if possible My computer isn t...

Page 19: ...change your BIOS settings if they are incorrect Windows 95 98 Make sure your COM port is not already in use by another modem Click Windows Start Settings and Control Panel and then double click Modem...

Page 20: ...ith another electric device like a lamp to be sure that you are getting power Also you must use the power supply that came with your modem other similar looking power supplies may be of different volt...

Page 21: ...r configuration and make sure you have the correct port selected Click Start point to Settings and click Network and Dial up Connections Make sure that the description in the Connect Using box under t...

Page 22: ...ontact your phone system administrator if you are unsure whether or not your phone line is digital If your phone system requires dialing 9 to access an outside line be sure to add 9 before the number...

Page 23: ...conversion The 56K signal from your ISP begins as a digital signal Somewhere between the ISP and your modem there will be an analog to digital signal conversion so that your modem can receive the data...

Page 24: ...use the power supply that came with your modem other similar looking power supplies may be of different voltages and could damage your modem 3 Are you using the proper cable to connect your modem to...

Page 25: ...le solution Make sure the modem is plugged in and turned on If it is check the outlet with another electric device like a lamp to be sure that you are getting power Also you must use the power supply...

Page 26: ...ystem icon Next click the Device Manager tab If your USB is enabled there will be a USB icon and the words Universal serial bus controller under the Computer icon See the following picture for an exam...

Page 27: ...in the machine If there is another modem listed check which COM port it is using If this modem is already using the available COM port you can either use another COM port or uninstall the modem See th...

Page 28: ...e Installation CD ROM Possible solution Make sure the modem is plugged in and turned on and that you are using the power supply that came with it When your modem is properly connected to power and is...

Page 29: ...make sure you have the correct port selected Click Start point to Settings and click Network and Dial up Connections Make sure that the description in the Connect Using box under the General tab matc...

Page 30: ...l provided by your local phone company your dial tone may be altered when messages are waiting Retrieve your voice mail to restore your normal dial tone My modem sounds like it s trying to connect to...

Page 31: ...airments on the local lines between your ISP and your modem These impairments can prevent or limit V 90 connection speeds All telephone calls are routed differently so you should try making your 56K c...

Page 32: ...his modem requires a hardware handshaking cable which is packaged with your modem Make sure it is connected to the modem port on the back of your computer and not the printer port My computer isn t re...

Page 33: ...ower and is turned on the TR and CS lights on the front panel will be on If they are not check your outlet with another electrical device to be sure you are getting power Possible solution Verify that...

Page 34: ...your phone system requires dialing 9 to access an outside line be sure to add 9 before the number you are dialing Dialing Problems for Voice Mail Users Possible solution If you have voice mail provide...

Page 35: ...ently support 2 The telephone line between your ISP and your modem must be capable of supporting a 56K connection and contain only one analog to digital conversion The 56K signal from your ISP begins...

Page 36: ...to find out which operating systems are supported My computer isn t recognizing my modem Possible solution Make sure that your modem is installed correctly in your computer The modem will fit snugly...

Page 37: ...ick the View Resources tab then click Interrupt request IRQ to make sure that it is selected On the left side of the Computer Properties screen is a list of the system IRQs numbered 0 through 15 On th...

Page 38: ...m type selected in your software or in Windows Click on Windows Start Settings and Control Panel When Control Panel opens click Phone and Modem Options Click the Modems tab Here you will see a list of...

Page 39: ...ax machines or other devices between the modem and the wall jack Office Users Possible solution You may have plugged your modem s phone cord into a digital line which can damage your modem Contact you...

Page 40: ...nnections currently support 2 The telephone line between your ISP and your modem must be capable of supporting a 56K connection and contain only one analog to digital conversion The 56K signal from yo...

Page 41: ...modem s jumpers to Plug and Play mode Windows should locate a free IRQ if one exists for your modem to use If Plug and Play fails to install the modem you need to determine IRQ availability Right clic...

Page 42: ...list of devices If a yellow exclamation point appears over the modem s description your modem is in conflict with another device Either your modem or the other device will have to be reinstalled to an...

Page 43: ...exclamation points or red Xs over them your COM ports may be configured incorrectly If this is the case you may need to contact your computer manufacturer Windows 95 98 Make sure your COM port is not...

Page 44: ...ftware or in Windows Click on Windows Start Settings and Control Panel When Control Panel opens click Phone and Modem Options Click the Modems tab Here you will see a list of installed modems You can...

Page 45: ...matches the description of the modem you are using If it doesn t match select the proper modem description My modem won t dial out or doesn t answer incoming calls For both Dialing and Answering Prob...

Page 46: ...tions may affect the actual speeds during a given connection Due to unusual telephone line configurations some users will not be able to take full advantage of V 90 technology at this time In order to...

Page 47: ...e modem and reinstall it in another slot if possible When the modem is installed correctly you will no longer see any part of the connector edge which may be gold or black You will need to press the m...

Page 48: ...devices to which they are assigned If an IRQ is not present in this list it indicates that Windows is not currently using it and the IRQ is considered available Locate your modem in the list of device...

Page 49: ...Ports are configured correctly Right click the My Computer icon on your desktop Click Properties Click the Hardware tab In the Device Manager section click the Device Manager button Look under Ports C...

Page 50: ...atch those for your modem The Installation Guide that came with your modem explains how to determine your modem s port settings Check your communication software s documentation for instructions on ad...

Page 51: ...ws 95 98 NT If you are using Dial Up Networking it may not be installed or configured correctly Check your configuration and make sure you have the correct modem selected Double click My Computer doub...

Page 52: ...s 56K modems are capable of receiving downloads at up to 56 Kbps and sending at 31 2 Kbps Actual download speeds you experience may be lower due to varying line conditions Maximum download speeds in U...

Page 53: ...ld try making your 56K connection several times One way to test this is to dial into a long distance location Long distance lines are often much clearer than local lines It is important to note that t...

Page 54: ...ve a 2 50 per minute charge Customer Support via the Phone Technical questions about U S Robotics modems can be answered by technical support specialists If you can have your ati7 information written...

Page 55: ...the unit postage paid in a strong box made of corrugated cardboard with plenty of packing material Do NOT send the modem back in the original box Send ONLY the modem NOT the power supply manuals CD R...

Page 56: ...50 CHAPTER 4 TROUBLESHOOTING AND HELP RESOURCES...

Page 57: ...de used by your modem when answering an incoming call from an originating modem The transmit receive frequencies are the reverse of the originating modem which is in originate mode application A compu...

Page 58: ...used to dial voice numbers See basic data command Dn in the Technical Reference chapter of this manual baud rate A term used to measure the speed of an analog transmission from one point to another A...

Page 59: ...h For example at 2400 bps 8 bit characters with start stop bits for a total of ten bits per character will be transmitted at a rate of approximately 240 characters per second cps Some protocols such a...

Page 60: ...ablish and control the data link via the telephone network default Any setting assumed at startup or reset by the computer s software and attached devices The computer or software will use these setti...

Page 61: ...o as fax fax mode The mode used by a modem to send and receive data in facsimile format See definitions for V 17 V 27ter V 29 flow control A mechanism that compensates for differences in the flow of d...

Page 62: ...al up modem access to the Internet for a fee ITU T An international organization that defines standards for telegraphic and telephone equipment For example the Bell 212A standard for 1200 bps communic...

Page 63: ...rammable random access memory whose data is retained when power is turned off On the U S Robotics modem it includes four stored phone numbers and the modem settings off on hook Modem operations that a...

Page 64: ...r correction are some of the operations that may be defined in protocols RAM Random Access Memory Memory that is available for use when the modem is turned on but that clears of all information when t...

Page 65: ...ommunication with the modem Also known as command mode throughput The amount of actual user data transmitted per second without the overhead of protocol information such as start stop bits or frame he...

Page 66: ...operations that specifies modulation at 9600 bps with fallback to 7200 bps V 32 An ITU T standard for modem communications at 9600 bps and 4800 bps V 32 modems fall back to 4800 bps when line quality...

Page 67: ...modem communications This technology offers three new features to enhance the V 90 standard The first feature is V PCM Upstream which allows a modem s upstream communication to reach speeds of 48 000...

Page 68: ...connections x2 connections require a modem with x2 technology calling a digitally connected Internet Service Provider or corporate host site compatible with x2 technology XON XOFF Standard ASCII contr...

Page 69: ...valid data signal carrier from a remote modem indicating that data transmission is possible Always ON if CD override is ON C0 RD Received Data Flashes when modem sends result codes or passes received...

Page 70: ...re Flow Control template loaded in NVRAM when the modem is shipped Defaults are listed in italics Basic Data Commands control key S Stop or restart help screens ARQ Error Control FAX Fax Operations Da...

Page 71: ...r the command is executed forever Does not require the AT prefix or a Carriage Return Escapes to online command mode Any key Aborts off hook dial answer operation and hangs up AT Required command pref...

Page 72: ...for quiet answer and continues X3 or higher Displays a list of Dial commands En Sets local echo E0 Echo OFF E1 Modem displays keyboard commands Fn Sets online local echo of transmitted data ON OFF F0...

Page 73: ...Ln Controls speaker volume internals only L0 Low volume L1 Low volume L2 Medium volume L3 High volume Mn Operates speaker M0 Speaker always OFF M1 Speaker ON until CONNECT M2 Speaker always ON M3 Spea...

Page 74: ...sters T Sets tone dial Vn Displays verbal numeric result codes V0 Numeric codes V1 Verbal codes Xn Sets result code displayed Default is X4 NOTE Result codes 0 155 are for 33 6 products and V 90 produ...

Page 75: ...28800 151 CONNECT 31200 155 CONNECT 33600 256 CONNECT 28000 260 CONNECT 29333 264 CONNECT 30666 268 CONNECT 32000 180 CONNECT 33333 272 CONNECT 34666 276 CONNECT 36000 184 CONNECT 37333 280 CONNECT 38...

Page 76: ...ation 2 Z Resets modem Z0 Resets modem to NVRAM profile selected by Y command or dip 7 Z1 Resets modem to NVRAM profile 0 Z2 Resets modem to NVRAM profile 1 Z3 Resets modem to factory default profile...

Page 77: ...ata compression Bn Manages modem s serial port rate B0 Variable follows connection rate B1 Fixed serial port rate B2 Fixed in ARQ mode variable in non ARQ mode Cn Controls Carrier Detect CD signal C0...

Page 78: ...lear to Send CTS H2 Software flow control XON XOFF H3 Hardware and software flow control In Sets Receive Data RD software flow control see also Rn I0 Software flow control disabled I1 XON XOFFsignals...

Page 79: ...ction with Un and Un is greater than 0 Nn sets the ceiling connect speed Un sets the floor connect speed see also the table in the Un section N0 Connection speed is determined by the remote modem N1 3...

Page 80: ...2 products N17 28 000 bps N18 29 333 bps N19 30 666 bps N20 32 000 bps N21 33 333 bps N22 34 666 bps N23 36 000 bps N24 37 333 bps N25 38 666 bps N26 40 000 bps N27 41 333 bps N28 42 666 bps N29 44 00...

Page 81: ...res RTS R2 Received Data to computer only on RTS Sn Controls Data Set Ready DSR operations S0 DSR override always ON S1 Modem controls DSR Tn Begins test modes T0 Ends testing T1 Analog Loopback T2 Re...

Page 82: ...onnects at highest available speed Note This default setting should be sufficient for most users N 0Connects at fixed speed U 0Connects at highest speed above Un N 0 U 0Connects at highest speed betwe...

Page 83: ...oducts U17 28 000 bps U18 29 333 bps U19 30 666 bps U20 32 000 bps U21 33 333 bps U22 34 666 bps U23 36 000 bps U24 37 333 bps U25 38 666 bps U26 40 000 bps U27 41 333 bps U28 42 666 bps U29 44 000 bp...

Page 84: ...ndestructive unexpedited Zn s Writes phone number string s to NVRAM at position n n 03 Zn L Writes last executed dial string to NVRAM at position n n 03 Zn Displays phone number stored at position n n...

Page 85: ...r if specified in NVRAM ON Disables auto answer 6 OFF Carrier Detect CD Override OFF Modem sends CD signal when it connects with another modem drops CD on disconnect ON CD always ON Override 7 OFF Pow...

Page 86: ...for the Carriage Return character Valid range is 0 127 S4 10 Stores ASCII decimal code for the Line Feed character Valid range is 0 127 S5 8 Stores ASCII decimal code for the Backspace character A val...

Page 87: ...ill not hang up when carrier is lost Dropping DTR hangs up the modem S11 70 Sets duration and spacing in milliseconds for tone dialing S12 50 Sets duration in fiftieths of a second of guard time for e...

Page 88: ...nits of breaks sent from the modem to the computer applies to MNP or V 42 mode only S22 17 Stores ASCII decimal code for the XON character S23 19 Stores ASCII decimal code for the XOFF character S24 0...

Page 89: ...Table 6 8 S34 0 S35 S37 Reserved S38 0 Sets an optional delay in seconds before a forced hang up and clearing of the Transmit buffer when DTR drops during an ARQ call This allows time for a remote mo...

Page 90: ...eset non MNP transmit buffer from 1 5K to 128 bytes 2 4 Set backspace key to delete 3 8 On DTR signal autodial the number stored in NVRAM at position 0 4 16 At power on reset autodial the number store...

Page 91: ...bles unencoded non trellis coded modulation in V 32 mode 2 4 Disables V 32 modulation 3 8 Disables 2100 Hz answer tone to allow two V 42 modems to connect faster 4 16 Enables V 23 fallback mode 5 32 D...

Page 92: ...le6 8 Settings for S33 Bit Value Results 0 1 Disable 2400 symbol rate 1 2 Disable 2743 symbol rate 2 4 Disable 2800 symbol rate 3 8 Disable 3000 symbol rate 4 16 Disable 3200 symbol rate 5 32 Disable...

Page 93: ...Bit Mapped Registers 87 4 16 Reserved 5 32 Reserved 6 64 Reserved 7 128 Reserved Table6 9 Settings for S41 Bit Value Results...

Page 94: ...88 CHAPTER 6 TECHNICAL REFERENCE...

Page 95: ...Communications Commission 47 CFR part 15 subpart B 15 107 e Class B conducted limits 15 109 g Class B Radiated Emissions Limits U S Robotics Corporation 3800 Golf Road Rolling Meadows IL 60008 U S A...

Page 96: ...ould contact your telephone company to determine the maximum REN for your calling area This equipment uses the following USOC jacks RJ11C This equipment may not be used on coin service provided by the...

Page 97: ...odem If you are using a different communication software program refer to its manual Radio and Television Interference This equipment generates and uses radio frequency energy and if not installed and...

Page 98: ...he company s inside wiring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord The customer should be aware that compli...

Page 99: ...de raccordement L abonn ne doit pas oublier qu il est possible que la conformit aux conditions nonc es cidessus n emp che pas la d gradation du service dans certaines situations Les r parations de ma...

Page 100: ...94 CHAPTER 7 REGULATORY INFORMATION...

Reviews: