Toshiba V.90- Manual

v The customer should be aware that compliance with the above conditions may not prevent degradation of service in some situations. Repairs to certified equipment should be coordinated by a representative designated by the supplier. Any repairs or alterations made by the user to this equipment, or e...

vi Export Administration Regulation This document contains technical data that may be controlled under the U.S. Export Administration Regulations, and may be subject to the approval of the U.S. Department of Commerce prior to export. Any export, directly or indirectly, in contravention of the U.S. E...

vii Contents V.90 56K Internal ModemUser’s Guide .................................................................................. i Contents..................................................................................... viiIntroduction............................................................

viii Direct access line ................................................................ 8Extension line ...................................................................... 8Receiving a call.................................................................... 9Terminating a call .....................

ix &Gn V.22bis guard tone control...................................... 26&Kn Local flow control selection .................................... 27&Pn Select Pulse Dial Make/Break Ratio ....................... 27&Tn Self-test commands................................................. 2...

xii Introduction Congratulations on becoming the owner of a V.90 56K compliant internal modem offering advanced functions for fax and data communication. This user’s guide provides detailed information on features, operation and technical specifications of your internal modem. The V.90 56K internal ...

xiii Some phone lines will not support V.90 56K connections at all, either because of quality impairments or additional digital-to-analog conversions (i.e., PBX systems). The modem uses the V.34 protocol for “upstream” data transmission, which supports connection rates of up to 33,600 bits/second. N...

xiv Standard commands The internal modem is compatible with the industry standard Hayes ® AT commands and S-Register settings. Error control This feature assures accurate data transmission even over telephone lines subject to noise interference. The internal modem uses Microcom Networking Protocol ®...

xv Function charts The chart below lists the internal modem’s supported communication protocols: Functions available in all operating systems Function Remarks Data V.90 From 32 Kbps to 56 Kbps V.34 From 2400 bps to 33.6 Kbps V.32bis 4800, 7200, 9600 bps, 12, 14.4 Kbps V.32 4800, 9600 bps V.22bis 120...

xvi User’s guide contents This user’s guide is composed of six chapters, plus an Introduction, two appendixes, a glossary, and an index. ❖ The Introduction describes the functions and capabilities of the internal modem. ❖ Chapter 1, Setup, describes how to set up and configure the internal modem and...

xvii ❖ Chapter 6, Test Function, describes how to conduct the loopback test. ❖ The Appendixes provide technical information. ❖ The Glossary defines telecommunications terminology. ❖ The Index quickly directs you to information contained in the user’s guide. Conventions This user’s guide uses the fol...

xviii Display Messages Messages are used in this user’s guide to bring important information to your attention. Each type of message is identified as shown below. CAUTION: Pay attention! A caution informs you that improper use of equipment or failure to follow instructions may cause data loss or dam...

Chapter 1 Hardware Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1Function check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1 Setup This chapter describes how to set up your hardware and how to check the internal modem’s functions. It is written primarily for users who, for some reason, need to set up the modem again. Some procedures may vary slightly for users who have a preinstalled modem. Hardware Setup Use the MS-DOS...

Setup Function check 2 NOTE: HWSETUP in Windows does not enable changes to ports. Function check Use the Diagnostic function accessible in the Modems Properties window to check the functions of your internal modem. To run the diagnostics: 1 Click the Diagnostics tab in the Modems Properties window. ...

5 Using the Internal Modem This chapter describes connection procedures and basic operations. Connection procedures This section describes how to connect the internal modem to, and disconnect it from, a telephone jack. CAUTION: The modem is designed for use with a standard analog telephone line. Do ...

Using the Internal Modem Connection procedures 6 ❖ If a (working) telephone connected to the wall jack has an REN (Ringer Equivalency Number) printed on its label, then it is an analog phone. If the phone is working correctly, then the wall jack itself is analog. ❖ Telephones in an office environmen...

Using the Internal Modem Basic operation 7 NOTE: When you connect the RJ11 jack, insert it until you hear a click. Disconnecting the internal modem When you need to disconnect the internal modem’s modular cable for transporting the computer or for some other reason: 1 Pinch the connecting lever on t...

Using the Internal Modem Basic operation 8 Connecting to a telephone line The AT commands for connecting to a telephone line depend on whether you are using a direct line or an extension line, such as in an office building. Direct access line ❖ To place a call using tone dialing, enter: ATDT *******...

Using the Internal Modem Basic operation 9 You can enter as many commas as you need. The following example will result in a six-second pause: ATDT 9 , ******* and press Enter . NOTE: If you are using a PBX connection that does not wait for a dial tone, add the X0, X1 or X3 to the AT command line. Fo...

Using the Internal Modem Basic operation 10 Setting the data flow control Data flow control is used to start and stop data transmission according to the status of the data buffer (full or empty). The following describes how to set the data flow control method: ❖ CTS/RTS (hardware control) ❖ XON/XOFF...

Using the Internal Modem Basic operation 11 Facsimiles Fax communication uses EIA-578 Class 1 commands and requires fax software. Communication is controlled by the fax software. NOTE: Use only software compatible with EIA-578 Class 1. Do not use EIA-592 Class 2-compatible software.

13 AT Commands In most cases, you will not need to type AT commands manually. However, there may be some occasions when you will need to do so. This chapter describes AT commands for data mode. Fax commands are taken care of by application software. AT command formats The format for entering AT comm...

AT Commands AT command formats 14 +++ Escape sequence The escape sequence allows the modem to exit data mode and enter online command mode . While in online command mode, you can communicate directly with your modem using AT commands. When you finish, you can return to data mode using the ATO comman...

AT Commands AT command formats 15 Result Codes: : Dn Dial This command instructs the modem to dial a telephone number. Enter n (the telephone number and any modifiers) after the ATD command. Any digit or symbol (0-9, *, #, A, B, C, D) may be dialed as touch-tone digits. Characters such as spaces, hy...

AT Commands AT command formats 16 En Echo command This command controls whether or not the characters entered from your computer keyboard are displayed on your monitor (echoed) while the modem is in command mode. . Result Codes: Hn Hook control This command instructs the modem to go on-hook to disco...

AT Commands AT command formats 17 Result Codes: In Request ID information This command displays product information about the modem. OK n=0,1 ERROR Otherwise I0 Returns modem identity string and driver version number, same as 13. I1 Calculates ROM checksum and displays it on the DTE. I2 Performs a R...

AT Commands AT command formats 20 2 = No answer, busy, etc. 3 = Training failure V.90, 56K or V.34 4 = Protocol failure if required by \N4, for example. 21 For PCM connection only, a hexidecimal 6-bit pattern of T1 frames with robbed-bit signaling. 22 For PCM connection only, the downstream digital ...

AT Commands AT command formats 21 Result Codes: Nn Modulation handshake This command controls whether or not the local modem performs a negotiated handshake at connection time with the remote modem when the communication speed of the two modems is different. Result Codes: On Return online to data mo...

AT Commands AT command formats 22 Result Codes: P Select pulse dialing This command configures the modem for pulse (non-touch-tone) dialing. Dialed digits are pulsed until a T command or dial modifier is received. Tone dial is the default setting. Qn Result code control Result codes are informationa...

AT Commands AT command formats 23 Vn DCE response format This command controls whether result codes (including call progress and negotiation progress messages) are displayed as words or their numeric equivalents. Result Codes: Wn Result Code Option Result Codes: Xn Result code selection, call progre...

AT Commands AT command formats 24 Extended result codes Dial tone detect Busy tone detect Command Extended Result code Dial tone Detect Busy signal Detect X0 Disable Disable Disable X1 Enable Disable Disable X2 Enable Enable Disable X3 Enable Disable Enable X4 (default) Enable Enable Enable X5 Enabl...

AT Commands AT command formats 25 Zn Recall stored profile The modem performs a soft reset and restores (recalls) the configuration profile according to the parameter supplied. If no parameter is specified, zero is assumed. Either Z0 or Z1 restores the profile. Result Codes: &Cn Data Carrier Det...

AT Commands AT command formats 26 &Dn Data Terminal Ready (DTR) control This command interprets how the modem responds to the state of the DTR signal and changes to the DTR signal. Result Codes: &F Load factory settings This command loads the configuration stored and programmed at the factor...

AT Commands AT command formats 27 command is only used in V.22 and V.22bis mode. This option is not used from North America and is for international use only. Result Codes: &Kn Local flow control selection Result Codes: &Pn Select Pulse Dial Make/Break Ratio &G0 Guard tone disabled (defa...

AT Commands AT command formats 28 Result Codes: &Tn Self-test commands These tests can help to isolate problems if you experience periodic data loss or random errors. Result Codes: &V View active configuration and stored profile This command is used to display the active profiles on your com...

AT Commands AT command formats 30 Press any key to continue; Esc to quit. Stored phone numbers &Z0= &Z1= &Z2= &Z3= OK &W Store current configuration Saves the current (active) configuration (profile), including S-Registers. The current configuration comprises a list of storable p...

AT Commands AT command formats 31 &Zn=x Store telephone number This command is used to store up to four dialing strings in the modem’s nonvolatile memory for later dialing. The format for the command is &Zn=“stored number” where n is the location 0-3 to which the number should be written. Th...

AT Commands AT command formats 32 Result Codes: Qn Local flow control selection Result Codes: \Vn Protocol result code Result Codes: \N5 V.42. MNP or Buffer (same as \N3). \N7 V.42. MNP or Buffer (same as \N3). OK n = 0, 1, 2, 3,4,5,7 ERROR Otherwise \Q0 Disable flow control. \Q1 XON/XOFF software f...

AT Commands AT command formats 33 %Cn Data compression control This command determines the operation of V.42bis and MNP class 5 data compression. Online changes do not take effect until a disconnect occurs first. Result Codes: -V.90=<n> This command enables/disables V.90 and changes the downst...

S-Registers S-Register values 40 S-Register values ❖ The format for displaying the value of an S-Register is: ATSn? where n is the register number. After you type in the register press Enter . ❖ The format for modifying the value of an S-Register is: ATSn=r where n is the register number, and r is t...

S-Registers S-Register values 41 S2 AT escape character (user-defined) This register determines the ASCII value used for an escape sequence. The default is the + character. The escape sequence allows the modem to exit data mode and enter command mode when online. Values greater than 127 disable the ...

S-Registers S-Register values 44 S11 DTMF dialing speed This register determines the dialing speed. S12 Escape guard time This register sets the value (in 20 ms increments) for the required pause after the escape sequence (default 1 second). S37 Dial line rate Range: 50-150 Default: 95 Units: .001 s...

S-Registers AT command set result codes 46 AT command set result codes The following table shows the result codes. S38=3 34 kbps S38=4 36 kbps S38=5 38 kbps S38=6 40 kbps S38=7 42 kbps S38=8 44 kbps S38=9 46 kbps S38=10 48 kbps S38=11 50 kbps S38=12 52 kbps S38=13 54 kbps S38=14 56 kbps Command Set ...

52 MNP and V.42 The internal modem has built-in protocols MNP ® (Microcom Networking Protocol) Class 4 and V.42 for error correction and MNP class 5 and V.42bis for data compression. Error-correction overview Telephone line noise, or electrical interference, can cause errors in data communication. N...

MNP and V.42 Operation modes 53 The protocol of both modems must be the same. Therefore, if the remote modem supports only class 3 or below, the protocol for the remote modem will be used. If the remote modem does not use MNP, the communication will be made at the speed of the remote modem. V.42 err...

MNP and V.42 Flow control 54 Commands (\ Nn ) The following N modulation handshake commands are used to set the communication mode: For details, refer to “AT Commands” on page 13 . Flow control In both normal mode and reliable mode, the buffers in the modem and its flow control function permit commu...

MNP and V.42 Flow control 55 The modem card has two kinds of flow control: ❖ Serial port flow control ❖ Modem port flow control (only in reliable mode) Flow control Serial port flow control Serial port data flow is controlled by the modem in its communication with a personal computer. If the serial ...

MNP and V.42 Flow control 56 XON/XOFF flow control (software) Flow control is performed by sending XON and XOFF control codes in the data stream. The XOFF code makes a transmission halt request. The XON code makes a transmission restart request. Since these two codes, XON and XOFF, are used as flow ...

MNP and V.42 Data compression 57 If data transmission from the modem under serial port flow control is interrupted because the computer cannot catch up with it, modem port flow control is applied to the remote modem so that transmitted data will not exceed buffer capacity. This flow control function...

59 Test Function Normally, data communications are executed by connecting your computer and modem to those of a remote station with a communication line. If any errors or malfunctions are encountered, it is necessary to check whether the cause is in the local station, the remote station or the commu...

Test Function Testing procedure 60 Local/analog/loopback test Testing procedure To conduct the loopback test: 1 Enter the following AT commands to set the modem to normal mode: AT&F\N0 Receive OK Computer Modem Transmitter Receiver Transmission Reception

63 Specifications This appendix summarizes the Toshiba internal modem’s technical specifications. Network control unit (NCU) Type of NCU AA Type of line General telephone line Type of dialing Pulse Tone Control command AT commands EIA-578 commands Monitor function Computer’s speaker

Specifications 64 Communication specifications Communication system Data: Full duplex Fax: Half duplex Communication protocol Data ITU-T-Rec V.21 / V.22 / V.22bis / V.32 / V.32bis / V.34 / 56K / V.90 Bell 103/212A Fax ITU-T-Rec V.17 / V.29 / V.27ter (Former CCITT) /V.21 ch2 Communication speed Data ...

66 Communication Conditions Communication parameters Select communication parameters from the table below. Start (bit) Data length (bit) Parity (bit) Stop (bit) 1 8 None 1 or more 1 7 0 1 or more 1 7 1 1 or more 1 7 Odd 1 or more 1 7 Even 1 or more 1 7 None 2

Communication Conditions 67 Telephone line types This internal modem can be connected to 2-wire analog subscriber telephone lines (POTS lines) only. Connectable lines (2-wire) ❖ Ordinary analog telephone lines with direct connection ❖ Corporate analog lines connected to a PBX ❖ Analog lines connecte...

69 Glossary Acronyms bps or BPS: Bits per Second COM1: Communications Port 1 (serial port) COM2: Communications Port 2 (serial port) CPU: Central Processing Unit FCC: Federal Communications Commission FTP: File Transfer Protocol GND: Ground HDD: Hard Disk Drive HTML: HyperText Markup Language I/O: I...

80 Index Numerics 56K technology xiii A analog/loopback test 59answer command 14AT command set result codes 46 AT commands answer command 14communication standard setting 14 data carrier detect 25data compression control 33data terminal ready (DTR) 26dial a telephone number 15dial tone detect 24disp...