3Com 3CP5610A User Guide

3Com 3CP5610A - U.S. Robotics 56K V90 PCI Performance Pro Faxmodem Dos/NT/Linux Manual

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  • 3Com 3CP5610A | User Guide - Page 1
    U.S. Robotics® Modems: User's Guide http://www.usr.com/ Published September 2000
  • 3Com 3CP5610A | User Guide - Page 2
    there is any software on removable media Guide. U.S. Robotics, the U.S. Robotics logo, and Winmodem are registered trademarks and x2 is a trademark of U.S. Robotics Corporation. 3Com is a registered trademark and Connections is a trademark of 3ComCorporation. Microsoft, Windows, and Windows
  • 3Com 3CP5610A | User Guide - Page 3
    Fax Software 5 Answering an Incoming Call 5 External Modems with Speakerphone 5 Internal Modems with Speakerphone 6 Speaking Privately to a Caller 6 Adjusting Speaker Volume 6 Muting a Call 6 External Modems with Speakerphone 6 Internal Modems with Speakerphone 6 3 UNINSTALLING A U.S. ROBOTICS® MODEM
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    't achieving a 56K Internet connection. 24 Macintosh Modems 25 Basic Troubleshooting Steps 25 My computer isn't recognizing my modem. 26 My software isn't recognizing my modem. 27 My modem won't dial out or doesn't answer incoming calls. 27 Office Users 28 Dialing Problems for Voice Mail Users 28 My
  • 3Com 3CP5610A | User Guide - Page 5
    sounds like it's trying to connect to another modem but fails. 46 My modem isn't achieving a 56K Internet connection. 46 Help Resources 47 World Wide Web 47 U.S. Robotics Knowledgebase 47 Internet FTP 47 Are You Still Having Problems? 48 Customer Support via the Phone 48 In the United States 48
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    with FCC Standards for Home and Office Use. 89 Part 15 89 Caution to the User 90 Part 68 90 Caution to the User 91 Fax Branding 91 Radio and Television Interference 91 For Canadian
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    1 56K FAXMODEM PRODUCT FEATURES 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, 5605, 5613 only s on select models
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    FEA TURES Error Control and Data Compression Schemes ITU-T V.42 ITU-T V.42bis MNP 2-5 Fax Modulation Schemes ITU-T V.17 ITU-T V.29 ITU-T V.27ter ITU-T V.21 Fax Standards EIA 578 Class 1 FAX EIA 592 Class 2.0 FAX Front Channel Link Rates (download) (V.90/V.92) 28000, 29333, 30666, 32000, 33333
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    V.32bis 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, 57600, 115200
  • 3Com 3CP5610A | User Guide - Page 10
    4 CHAPTER 1: 56K FAXM ODEM P RODU CT FEA TURES
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    the call, press the SPEAKER button again. Internal Modems with Speakerphone See your modem's communications software manual for instructions. Making a Speakerphone Call with Communications Software 1 Dial the telephone number using your communications software. 2 To end the call, hang up using
  • 3Com 3CP5610A | User Guide - Page 12
    needs to be running in order for you to hear incoming calls. Internal Modems with Speakerphone See your modem's communications software manual for instructions. Speaking Privately to a Caller If you want to talk privately to a caller, you can use a phone handset instead of the speaker by lifting
  • 3Com 3CP5610A | User Guide - Page 13
    ® MODEM NOTE: These instructions only apply to current U.S. Robotics modems. If the modem you'll be uninstalling was made by another manufacturer, refer to that modem's documentation for instructions. This chapter covers the uninstallation of: I A U.S. Robotics Winmodem® modem. I A U.S. Robotics
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    8 CHAPTER 3: UNIN STA LLIN G A U.S. ROBOTIC S® MOD EM 8 Shut down Windows and turn off your computer. 9 Remove the phone cords from the modem's TELCO and PHONE jacks. If the modem is a voice modem, remove any microphones or powered speakers attached to the modem. CAUTION: To avoid the risk of
  • 3Com 3CP5610A | User Guide - Page 15
    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. CAUTION: To avoid the risk of electric shock, make sure your computer and all peripheral devices are turned off and
  • 3Com 3CP5610A | User Guide - Page 16
    10 CHAPTER 3: UNIN STA LLIN G A U.S. ROBOTIC S® MOD EM
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    Modems I Macintosh Modems I Internal Winmodem® modems I Internal ISA Modems I Internal PCI Modems I Help Resources I Are You Still Having Problems? I If You Need to Return the Modem to U.S. Robotics for Repair External Serial Modems Basic Troubleshooting 1. Is your modem turned on? When your modem
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    DB25M RS-232 serial cable. 4. If there are DIP switches on the back of your modem, are they set correctly? DIP switches 3, 5, and 8 should be in the down COM 1 & 2 respectively. Windows 2000 Make sure your COM port is not already in use by another modem. Click Windows Start, Settings, and Control
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    modem. Click Windows Start, Settings, and Control Panel, and then double-click Modems. Look for another modem already in the machine. If there is another modem port or uninstall the previously installed modem. See your previous modem's manual for uninstallation instructions. Next, make sure that your
  • 3Com 3CP5610A | User Guide - Page 20
    your Windows NT manual for information about adding ports. After you add or enable the port, follow the instructions on the front of the Installation Guide that came with your modem to install your modem. My software isn't recognizing my modem. Possible solution: Your communications software may
  • 3Com 3CP5610A | User Guide - Page 21
    in the list of installed modems. If none of the modem descriptions in the list matches your U.S. Robotics modem or no modems are listed, your modem is not properly installed. Try reinstalling your modem using the instructions on the Installation Guide. Possible solution: Windows 2000 If you are
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    wall phone jack. Use the phone cord included in your modem's box if possible. Possible solution: You may have devices between the modem and the phone jack. There should be no line splitters, fax machines, or other devices between the modem and the wall jack. Office Users Possible solution: You may
  • 3Com 3CP5610A | User Guide - Page 23
    ISP can provide you with a list of dial-up connections and information on what those connections 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 your ISP
  • 3Com 3CP5610A | User Guide - Page 24
    V.92/56K speeds. Note: Current IC/FCC regulations limiting power may limit maximum download speeds to 53,333 bps. External USB Modems Basic Troubleshooting 1. Is your modem turned on? When your modem is properly connected Steps to power and is turned on, the Power light on the front panel will be on
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    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 voltages and could damage your modem. When your modem is properly connected to power and is turned on, the Power light on the front panel will
  • 3Com 3CP5610A | User Guide - Page 26
    the USB icon appears in Device Manager. If USB is not enabled, you will need to enable USB in the system's BIOS. For instructions, check with your computer manufacturer's technical support. Once your USB port has been enabled in your system's BIOS, Windows will automatically detect and install USB
  • 3Com 3CP5610A | User Guide - Page 27
    use another COM port or uninstall the modem. See the modem's manual for uninstallation instructions. Right-click the My Computer icon on Click Windows Start, Settings, and Control Panel, and then double-click Modems. Look for another modem already in the machine. If there is another modem installed
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    If it does not, the port needs to be added and possibly enabled in the BIOS. Consult your Windows NT manual for information about adding ports. My software isn't recognizing my modem. Possible solution: Your communications software may not function properly if you have more than one version of the
  • 3Com 3CP5610A | User Guide - Page 29
    in the list matches your U.S. Robotics modem or no modems are listed, your modem is not properly installed. Try reinstalling your modem using the instructions on the Installation Guide. My modem won't dial out or doesn't answer incoming calls. Possible solution: Windows 2000 If you are using Dial
  • 3Com 3CP5610A | User Guide - Page 30
    modem's box if possible. Possible solution: You may have devices between the modem and the phone jack. There should be no line splitters, fax machines, or other devices between the modem modem isn't achieving a 56K Internet connection. Possible solution: Note: U.S. Robotics 56K modems do support 56K
  • 3Com 3CP5610A | User Guide - Page 31
    that do not support 56K today may support 56K in the near future. 3 Your modem must be connecting to a V.90/56K server. A pair of 56K modems will not connect to each other at V.90/56K speeds. Macintosh Modems Basic Troubleshooting 1. Is your modem turned on? When your modem is properly connected
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    not, check your outlet with another electrical device to be sure you are getting power. 3. If there are DIP switches on the back of your modem, are they set correctly? DIP switches 1, 3, 5, and 8 should be in the down position. See the following diagram for the correct settings. 4. Is your phone
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    's connection to your Macintosh computer. Refer to your software manual for information about changing modem settings. My modem won't dial out or doesn't answer incoming calls. For both dialing and answering problems: Possible solution: Make sure that you are using the power supply that came with
  • 3Com 3CP5610A | User Guide - Page 34
    RCES phone jack. Use the phone cord included in your modem's box if possible. Possible solution: You may have devices between the modem and the phone jack. There should be no line splitters, fax machines, or other devices between the modem and the wall jack. Office Users Possible solution: You may
  • 3Com 3CP5610A | User Guide - Page 35
    56K Internet connection. Possible solution: Note: U.S. Robotics 56K modems are capable of receiving downloads at up to information on what those connections currently support. 2. The telephone line between your ISP and your modem must be capable of supporting a 56K connection and contain only one
  • 3Com 3CP5610A | User Guide - Page 36
    Guide that came with your modem for instructions more specific to your modem. 3. Make sure you are running a version of Windows that is supported by this product. Check your modem the previously installed modem. See your previous modem's manual for uninstallation instructions. Make sure that
  • 3Com 3CP5610A | User Guide - Page 37
    Robotics Modem" chapter in this manual for the proper method. Then, to free an IRQ for your modem, open Device Manager. Click Windows Start Windows NT Make sure you follow the instructions on the Installation Guide and any addenda included with your modem. The installation of this modem in Windows
  • 3Com 3CP5610A | User Guide - Page 38
    your U.S. Robotics modem or no modems are listed, your modem is not properly installed. Try reinstalling your modem using the instructions on the Installation Guide. Windows 95/98/NT You may not have the correct modem type selected in your software or in Windows. Click Windows Start, Settings
  • 3Com 3CP5610A | User Guide - Page 39
    Internal Winmodem® Modems 33 Try reinstalling your modem using the instructions on the Installation Guide. My modem won't dial out or doesn't answer incoming calls. For both Dialing and Answering Problems Possible solution: You may have a bad phone cord connection to your modem, or your phone
  • 3Com 3CP5610A | User Guide - Page 40
    ND HELP RESOU RCES My modem isn't achieving a 56K Internet connection. Possible solution: Note: U.S. Robotics 56K modems are capable of receiving what those connections currently support. 2. The telephone line between your ISP and your modem must be capable of supporting a 56K connection and
  • 3Com 3CP5610A | User Guide - Page 41
    no longer see any part of the connector edge, which may be gold or black. See the Installation Guide that came with your modem for instructions more specific to your modem. My computer isn't recognizing my modem. Possible solution: You may be using an IRQ that is already in use. To work properly
  • 3Com 3CP5610A | User Guide - Page 42
    have a yellow exclamation point next to its IRQ, or if your modem doesn't appear in the list, another problem exists, and you may need to call 3Com Technical Support. Windows 95/98 If you set your modem's jumpers to Plug-and-Play mode, Windows should locate a free IRQ, if one exists, for your use by
  • 3Com 3CP5610A | User Guide - Page 43
    modem. Click Windows Start, Settings, and Control Panel, and then double-click Phone and Modem Options. Click the Modems tab. Look for another modem already in the machine. If there is another modem previously installed modem. See your previous modem's manual for uninstallation instructions. Next,
  • 3Com 3CP5610A | User Guide - Page 44
    your U.S. Robotics modem or no modems are listed, your modem is not properly installed. Try reinstalling your modem using the instructions on the Installation Guide. Windows 95/98/NT You may not have the correct modem type selected in your software or in Windows. Click Windows Start, Settings
  • 3Com 3CP5610A | User Guide - Page 45
    of the modem you are using. If it doesn't match, select the proper modem description. Windows 95/98/NT modem description. My modem won't dial out or doesn't answer incoming calls. For both Dialing and Answering Problems Possible solution: You may have a bad phone cord connection to your modem
  • 3Com 3CP5610A | User Guide - Page 46
    the call again. My modem isn't achieving a 56K Internet connection. Possible solution: Note: U.S. Robotics 56K modems are capable of receiving downloads vast majority of telephone lines in North America can and do support 56K installation. The V.90 protocol allows for connection speeds of up
  • 3Com 3CP5610A | User Guide - Page 47
    the Installation Guide that came with your modem for instructions more specific to your modem. My computer isn't recognizing my modem. Possible solution: You may be using an IRQ that is already in use. To work properly, your modem may need to be assigned to a free IRQ. Windows 2000 Windows should
  • 3Com 3CP5610A | User Guide - Page 48
    have a yellow exclamation point next to its IRQ, or if your modem doesn't appear in the list, another problem exists, and you may need to call 3Com Technical Support. Windows NT Turn off your computer and physically remove the modem. Restart your computer, and check for an available IRQ by clicking
  • 3Com 3CP5610A | User Guide - Page 49
    modem. Click Windows Start, Settings, and Control Panel, and then double-click Phone and Modem Options. Click the Modems tab. Look for another modem already in the machine. If there is another modem previously installed modem. See your previous modem's manual for uninstallation instructions. Next,
  • 3Com 3CP5610A | User Guide - Page 50
    your U.S. Robotics modem or no modems are listed, your modem is not properly installed. Try reinstalling your modem using the instructions on the Installation Guide. Windows 95/98/NT You may not have the correct modem type selected in your software or in Windows. Click Windows Start, Settings
  • 3Com 3CP5610A | User Guide - Page 51
    in the list of installed modems. If none of the modem descriptions in the list matches your U.S. Robotics modem or no modems are listed, your modem is not properly installed. Try reinstalling your modem using the instructions on the Installation Guide. Possible solution: Windows 2000 If you are
  • 3Com 3CP5610A | User Guide - Page 52
    the call again. My modem isn't achieving a 56K Internet connection. Possible solution: Note: U.S. Robotics 56K modems are capable of receiving downloads vast majority of telephone lines in North America can and do support 56K Installation. The V.90 protocol allows for connection speeds of up
  • 3Com 3CP5610A | User Guide - Page 53
    Wide Web Contains useful product information, documents, and manuals. Log on to: http://www.usr.com/support U.S. Robotics Knowledgebase A Web-based troubleshooting tool that will help you solve problems you may be having with your modem. Go to: http://www.usr.com/kb When the page loads, click the
  • 3Com 3CP5610A | User Guide - Page 54
    Are You Still Having Problems? 1 Review this manual. 2 Call or visit your modem dealer. Your dealer may be able to provide immediate assistance. 3 If your dealer can't help you, contact U.S. Robotics Customer Support. When you call, specify your modem serial number (found on the modem and on the
  • 3Com 3CP5610A | User Guide - Page 55
    to U.S. Robotics for Repair Contact U.S. Robotics Customer Support. If the support representative determines that you need to return the modem for repair or replacement, you will receive a SRO (Service Repair Order) number. You must have a SRO number before returning the modem to us. Ship the
  • 3Com 3CP5610A | User Guide - Page 56
    50 CHAPTER 4: TROUB LESHOOTING A ND HELP RESOU RCES
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    specific task or set of tasks. Examples include word processing and spreadsheet applications. ARQ Automatic Repeat reQuest. A function that allows your modem to detect flawed data and request that it be retransmitted. See MNP and V.42. ASCII American Standard Code for Information Interchange. A code
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    pick up the phone line when it detects a certain number of rings. See S-register S0 in the "Technical Reference" chapter of this manual. auto-dial A process where your modem dials a call for you. The dialing process is initiated by sending an ATDT (dial tone) or ATDP (dial pulse) command followed by
  • 3Com 3CP5610A | User Guide - Page 59
    application programs and faxmodems for sending and receiving faxes. cyclic redundancy checking (CRC) An error-detection technique consisting of a test performed on each block or frame of data by both sending and receiving modems. The sending modem inserts the results of its tests in each data block
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    will use these settings until changed by the user or other software. digital loopback A test that checks the modem's RS-232 interface and the cable that connects the terminal or computer and the modem. The modem receives data (in the form of digital signals) from the computer or terminal, and
  • 3Com 3CP5610A | User Guide - Page 61
    page from one point to another. Commonly referred to as fax. fax mode The mode used by a modem to send and receive data in facsimile format. See definitions for out of a modem or other device. See extended data commands &Hn, &In, &Rn in the "Technical Reference" chapter of this manual. frame A data
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    the online local echo, which causes the modem to send a copy of the transmitted data Service Provider A company which provides dial-up (modem bis. LAPM Link Access Procedure for Modems. An error-control protocol defined in . local echo A modem feature that enables the modem to display keyboard commands
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    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 are the equivalent of manually lifting a phone receiver (taking it off-hook) and replacing it (going on-hook
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    holds the current operational settings, a flow control buffer, and a command buffer. remote digital loopback A test that checks the phone link and a remote modem's transmitter and receiver. remote echo A copy of the data received by the remote system, returned to the sending system, and displayed on
  • 3Com 3CP5610A | User Guide - Page 65
    no internal processing capabilities. terminal mode Software mode that allows direct communication with the modem. Also known as command mode. The ITU-T standard specification that covers the initial handshaking process. V.17 fax An ITU-T standard for making facsimile connections at 14,400 bps, 12,
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    quality is impaired. V.32 bis An ITU-T standard that extends the V.32 connection range: 4800, 7200, 9600, 12,000, and 14,400 bps. V.32 bis modems fall back to the next lower speed when line quality is impaired, fall back further as necessary, and also fall forward (switch back up) when
  • 3Com 3CP5610A | User Guide - Page 67
    connection when the call is completed without losing the connection. The V.92 technology can only be utilized if a V.92 modem is dialing into an Internet Service Provider that supports and provides a digital V.92 signal. World Wide Web A part of the Internet designed to allow easier navigation of
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    of the receive channel by eliminating the analog to digital conversion commonly found in modem 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 control
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    SD TR CS Meaning Auto Answer mode Status ON when register S0 is set to 1 or higher (Auto Answer), and when answering a call; OFF when modem originates a call. Light flashes when there is an incoming call. Carrier Detect Received Data Send Data Data Terminal Ready Clear to Send ON if
  • 3Com 3CP5610A | User Guide - Page 70
    L REFERENC E Symbol ARQ/Error Control/FAX Meaning Fax Operations Data Mode Status Error Control. ON if modem is set to &M4 or &M5 and successfully establishes an error control connection. Flashes when modem retransmits data to remote modem. Fax Mode: flashes to indicate fax mode. Top-of-the-Case
  • 3Com 3CP5610A | User Guide - Page 71
    or K Stop help screens. $ Use in conjunction with D, S, or & commands (or just AT) to display a basic command list; online help. A Manual Answer: Goes off hook in answer mode. Pressing any key before connected aborts the operations. A/ Re-executes the last issued command. Used mainly to
  • 3Com 3CP5610A | User Guide - Page 72
    (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 Local echo ON. Modem sends a copy of the data it sends to the remote system to your screen. F1 Local echo
  • 3Com 3CP5610A | User Guide - Page 73
    Basic Data Commands 67 I3 Product type I4 Current modem settings I5 Nonvolatile memory (NVRAM) settings I6 Link diagnostics I7 Product configuration online. O1 Returns online and retrains. P Sets pulse dial (for phone lines that don't support touch-tone dialing). Qn Displays/suppresses result codes.
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    68 CHAPTER 6: TEC HN ICA L REFERENC E Q0 Displays result codes. Q1 Quiet mode; no result codes. Q2 Displays result codes only in Originate mode. Sr=n Sets register r to n. Sr? Displays contents of S-Register r. S$ Displays a list of the S-Registers. T Sets tone dial. Vn Displays verbal/
  • 3Com 3CP5610A | User Guide - Page 75
    Basic Data Commands 69 Table6-1 Result Codes X0 X1 X2 X3 X4 13/CONNECT 9600 * * * * 18/CONNECT 4800 * * * * 20/CONNECT 7200 * * * * 21/CONNECT 12000 * * * * 25/CONNECT 14400 * * * * 43/CONNECT 16800 * * * * 85/CONNECT 19200 * * * * 91/CONNECT 21600 * * *
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    1. Y4 Use factory configuration 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 0 (&F0) Z4 Resets modem to factory default profile 1 (&F1) Z5
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    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
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    flow control, Clear 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 to your modem and remote system &I2 XON/XOFFsignals to your
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    mode &Nn Sets connect speed. If connection cannot be made at this speed, the modem will hang up. When used in conjunction with &Un and &Un is greater than the table in the &Un section). &N0 Connection speed is determined by the remote modem. &N1 300 bps &N2 1200 bps &N3 2400 bps &N4 4800 bps &N5
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    74 CHAPTER 6: TEC HN ICA L REFERENC E &N15 31,200 bps &N16 33,600 bps Note: &N17 through &N39 apply only to V.90 and V.92 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,
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    ignores 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 Reserved &T3 Local Digital Loopback &T4 Enables Remote Digital Loopback &T5 Prohibits
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    76 CHAPTER 6: TEC HN ICA L REFERENC E &Un With n > 0, sets the floor connect speed (lowest acceptable connection speed). Note: If your modem cannot connect to the remote modem at or above the speed set with this command, it will hang up. &N=0 &U=0Connects at highest available speed. Note:This
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    Extended Data Commands 77 &U15 31,200 bps &U16 33,600 bps Note: &U17 through &U39 apply only to V.90 and V.92 products. &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
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    executed dial string. Table6-2 Switch Default Function 1 OFF Data Terminal Ready (DTR) Override OFF Normal DTR operations: computer must provide DTR signal for the modem to accept commands; dropping DTR terminates a call ON Modem ignores DTR (Override) 2 OFF Verbal/Numeric Result Codes
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    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 Power-on and ATZ Reset Software Defaults OFF Loads Y0-Y4 configuration from user-defined nonvolatile memory
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    . Valid range is 0 - 127. Stores ASCII decimal code for the Backspace character. A value of 128-255 disables Backspace key's delete function. Sets number of seconds modem waits before dialing. If Xn is set to X2 or X4, this is time-out length if no dial tone. Sets number of seconds
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    in tenths of a second, of remote modem's carrier signal before recognition by your 3Com U.S. Robotics modem. Sets duration, in tenths of a second, that modem waits to hang up after loss of Bit-mapped register setup. To set the register, see instructions for S13. Refer to Table 6-5. Reserved Reserved
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    of a true DTR drop. Prevents modem from interpreting random glitches as DTR loss. (Most users will use the default; this register is useful for compatibility with older systems and operating software.) Reserved Bit-mapped register setup. To set the register, see instructions for S13. Refer to Table
  • 3Com 3CP5610A | User Guide - Page 89
    setup. To set the register, see the instructions for S13. Refer to Table 6-8. Reserved 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 modem to acknowledge receipt of all transmitted data
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    84 CHAPTER 6: TEC HN ICA L REFERENC E Bit-Mapped Registers To set a bit-mapped register, select the bit(s) you want on and set the register (for example, S13) to the total of the values in the Value column. For example, ATS13 = 17 enables bit 0 (value is 1) and bit 4 (value is 16). Table6-4
  • 3Com 3CP5610A | User Guide - Page 91
    V.32 modulation. 38 Disables 2100 Hz answer tone to allow two V.42 modems to connect faster. 4 16 Enables V.23 fallback mode. 5 32 Disables V.32bis mode. 6 64 Disable V.42 selective reject. 7 128 Software compatibility mode. This setting disables the codes and displays the 9600 code instead
  • 3Com 3CP5610A | User Guide - Page 92
    86 CHAPTER 6: TEC HN ICA L REFERENC E Table6-7 Settings for S32 Bit Value Results 01 V.8 Call Indicate enabled. 12 Enables V.8 mode. 24 Reserved. 38 Disable V.34 modulation. 4 16 Disable V.34+ modulation. 5 32 Disable x2 modulation. 6 64 Disable V.90 modulation. 7 128 Disable V.92
  • 3Com 3CP5610A | User Guide - Page 93
    Table6-9 Settings for S41 Bit Value Results 4 16 Reserved. 5 32 Reserved. 6 64 Reserved. 7 128 Reserved. Bit-Mapped Registers 87
  • 3Com 3CP5610A | User Guide - Page 94
    88 CHAPTER 6: TEC HN ICA L REFERENC E
  • 3Com 3CP5610A | User Guide - Page 95
    Federal 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. Products marked "CE" indicate: This device complies with the requirements of European
  • 3Com 3CP5610A | User Guide - Page 96
    This equipment may not be used on coin service provided by the telephone company. Connection to party jack. See installation instructions for details. If you have an external modem: UL Listing/CUL the uses described in the users guide. If you have an internal modem: UL Listing/CUL Listing or
  • 3Com 3CP5610A | User Guide - Page 97
    fax machines modem. 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 used properly, in strict accordance with the manufacturer's instructions
  • 3Com 3CP5610A | User Guide - Page 98
    Ringer Equivalence Number is located on the bottom of the modem. NOTICE: The Industry Canada (IC) label identifies certified equipment cases, the company's inside wiring associated with a single-line, individual service may be extended by means of a certified connector assembly (telephone extension
  • 3Com 3CP5610A | User Guide - Page 99
    For Canadian Modem Users 93 exigences techniques relatives au matériel terminal. Le Ministè est possible que la conformité aux conditions énoncées cidessus n'empÍche pas la dégradation du service dans certaines situations. Les réparations de matériel homologué doivent être coordonnées par un repré
  • 3Com 3CP5610A | User Guide - Page 100
    94 CHAPTER 7: REGUL ATORY INF ORMA TION
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U.S. Robotics
®
Modems:
User’s Guide
Published September 2000