USRoboticsメーカー3Comの使用説明書/サービス説明書
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56K Modem User’s Guide & Reference This manual covers installation and operating instructions for: 3Com U.S. Robotics Modems 3Com, the 3Com logo, and U.S. Robotics, are registered trademarks of 3Com Corporation or its subsidiaries. Windows i s a registered trademark of Microsoft Corp.
P RODUCT D ISCLAIMER This manual covers features that may or may not be present on your modem. Please consult you r computer manufacturer’s documentation for a list of your modem’s supported features. For service and repair issues, contact your computer system manufacturer.
T ABLE OF C ONTENTS Product Features 1 Voice Product Features 2 Installing th e Modem 3 Installing Modem Drivers for Windows 98 Second Edition 4 Installing Modem Drivers for Windows Millennium Edition (Me) 5 Installing Modem Drivers for Windows NT 4.
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1 P RODUCT F EATURES Modulation Schemes ITU - T V.90 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 Error Control and Data Compression Schemes ITU - T V.42 MNP 2 - 4 ITU - T V.42bis MNP 5 Embedded Control V.
2 V OICE P RODUCT F EATURES If your modem has voice capabilities, the following information will apply: Speakerphone With the addition of a microphone, a set of external, powered speakers, and the appropriate software, your new voice modem provides all the convenience of a full - duplex speak erphone.
3 I NSTALLING THE M ODEM Before you unplug anyth ing, label the cords or make a sketch of how they are connected. This can be helpful when you later reconnect the cords. Caution: To avoid the risk of electrical shock, make sure your computer and all peripheral devices are turned off and unplugged.
4 I NSTALLING D RIVERS FOR W INDOWS 98 S ECOND E DITION To install the modem driver: 1. After Windows starts, the Add New Hardware Wizard will find a PCI Serial Controller. Click the Next button to continue. 2. On the next dialog box, make sure “Search for the bes t driver for your device (Recommended)” is checked.
5 I NSTALLING D RIVERS FOR W INDOWS M ILLENNIUM E DITION (M E ) To install the modem driver: 1. After Windows starts, the Add New Hardware Wizard will find a PCI Serial Controller.
6 I NSTALLING D RIVERS FOR W INDOWS NT 4.0 To install the modem driver: 1. When Windows starts, login using an account with Administrator privileges. 2. Locate and run the SETUP.EXE program for your modem driver. 3. When the program starts, click the Install button.
7 I NSTALLING D RIVERS FOR W INDOWS 2000 To install the modem driver: 1. When Windows starts, login using an account with Administrator privileges. After logging in, the Found New Hardware Wizard wi ll find a PCI Serial Port. Click the Next button to continue.
8 Technical Reference Typing Commands I n terminal mode, type commands in either upper or lower case, not a combination. Use the Backspace key to delete errors. You cannot delete the original AT command because it is stored in the modem buffer. If a command has numeric options and you do not inc lude a number, zero is assumed.
9 Zn (0,1,2,3,4,5) Reset and load configuration n $ AT command set help screen Note: C, K commands are not implemented, will respond OK when these commands are encountered.
10 Class 2.0 Facsimile commands are supported and are described in USR Document (FAX20.DOC). Speakerphone/TAD Commands #BDR=n ( 0 ,1,2,3,4,5,...4 8) Select Baud Rate (new baud rate = n * 2400bps, autobaud if 0) #CID=n ( 0 ,1,2) Enable Caller ID and Select Reporting Format #CLS=n ( 0 ,1,2.
11 S Registers S0 * Number of rings to answer on ( 0 ) S1 Counts number of rings ( 0 ) S2 * Defines escape code character ( 43 ) S3 * Defines carriage return character ( 13 ) S4 * Defines line feed ch.
12 8 D efault time 255 Disable all connections except V.32 9600bps S29 * V.21/V.23 Fallback timer ( 20 ) S30 * Reserved S31 * TAD Audio level adjust ( 128 ) S32 * Bit mapped ( 16 ) 1 V.8 Call Indicate enable 2 Enable V.8 mode 4 Disable V.FC modulati on 8 Disable V.
13 Regulatory Information Manufacturer’s Declaration of Conformity The manufacturer of this modem declares that the product conforms to the FCC’s specifications: Part 15: Operation is subject to t.
14 (The telephone number provided may not be a 900 number or any other umber for which charges exceed local or long - distance transmission charges.) Radio and Television Interference This equipment g.
15 CE Compliance Electromagnetic Compatibility This device complies with the following standards in accordance wit h the European Directives 89/336/EEC.
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