Ositech comm Trumpcard Data/Fax Modem manual

T rumpcard Data/F ax Modem User’ s Guide and Reference[...]

ii Co p yright Information in this document is subject to change without notice. Copyright 1996-1997 by Ositech Communications Inc., Guelph, Ontario, Canada. Ositech Communications Inc. shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from the furnishing, perf[...]

iii Preface This guide provides installation and operating instructions for the Ositech Trumpcard 33600 or 28800 Data/Fax Modem PC Card. The Trumpcard Modem is a PCMCIA Type II Modem with no external controls or indicators. To operate the Modem, you require a communications software package. ‘PCMCIA Card’ and ‘PC Card’ are used interchangea[...]

iv FCC Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not [...]

v U .S. Regulations Go verning the Use of Modems This equipment complies with Part 68 of the FCC rules. Located on the Modem is a label that contains, among other information, the FCC Registration Number and Ringer Equivalent Number (REN) for this equipment. Upon request, you must provide this information to your telephone company. The REN is usefu[...]

vi Before installing the equipment, ensure that it is permissible to be connected to the facilities of the local telecommunications company. The equipment must also be installed using an acceptable method of connection. In some cases, the company’s inside wiring associated with a single line individual service may be extended by means of a certif[...]

vii This product contains inactivated SPECTRUM CONNECTED cellular data communication technology, which requires a use license from Spectrum Information Technologies, Inc. No such license is provided with this product and activation without a use license is prohibited. This product contains SPECTRUM CONNECTED cellular data communication technology, [...]

viii Contents Section One Introduction 1-1 Features ................................................................................................................ 1 - 2 Data Mode ......................................................................................................... 1 - 2 Facsimile Mode ..........................................[...]

ix Section Four Modem Command Reference 4-1 Modem Command Guidelines .............................................................................. 4- 2 Modem Command Summary ............................................................................... 4 - 4 Modem Command Descriptions ..............................................................[...]

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User’s Guide and Reference 1 - 1 Introduction Section One Intr oduction Congratulations on your choice of an Ositech Trumpcard Data/Fax Modem! We believe you will find it a superior quality product that will meet or exceed your facsimile and data communication needs. The Trumpcard Modem can be used with most standard communications and facsimile [...]

1 - 2 Trumpcard 14400/28800 Modem Section One F eatures Data Mode The Trumpcard Modem fully supports the following industry and ITU-T (formerly CCITT) standards. • V.FC, ITU-T: V.34 33.6+28.8, V.32bis, V.32, V.22 bis, V.22, V.23, V.21, and Bell 103/212A operation • Data rate adaptation to 230400, 115200, 57600, 38400, 28800, 26400, 24000, 21600[...]

User’s Guide and Reference 1 - 3 Introduction F acsimile Mode The Trumpcard facsimile supports Class 1 and Class 2 AT fax commands for facsimile communications. To use the facsimile, you must have a facsimile communications software package. • Group 3 facsimile send/receive speeds of 14400, 9600, 7200, 4800, and 2400 bps • ITU-T V.17, V.29, a[...]

1 - 4 Trumpcard 14400/28800 Modem Section One Unique Features The Trumpcard Data/Fax Modem has a number of unique features, designed to integrate with today’s portable and laptop technology, and computer user’s needs. • Power conservation modes (including sleep mode) • Automatic wake-up on incoming call • 16550 Compatible COM Port • Fie[...]

User’s Guide and Reference 1 - 5 Introduction Industr y Standards V .21 V.21 refers to a standard set by ITU-T for 300 bps Modem communications. North American manufactured modems usually follow the Bell 103 standard. V .22 V.22 refers to the standard set by ITU-T for 1200 bps Modem communications. The V.22 standard is compatible with the Bell 21[...]

1 - 6 Trumpcard 14400/28800 Modem Section One V .42 V.42 refers to the standard set by ITU-T for error control protocol. The V.42 standard also supports the MNP error correction protocol standard. V .42bis V.42 bis refers to the standard set by ITU-T for data compression. Data compression can only be used in conjunction with error correction. MNP 2[...]

User’s Guide and Reference 2 - 1 Hardware Installation Section Two Hardware Installation Follow the instructions to unpack and install the Trumpcard Modem on your computer. Preparing for Installation To install the Trumpcard Modem, you require the accompanying diskettes and the following items: • A computer equipped with a PCMCIA Release 2.x, T[...]

2 - 2 Trumpcard 14400/28800 Modem Section Two Installing the Trumpcard Modem The Trumpcard Modem can be inserted into a computer whether the power is ON or OFF. Follow these steps: • Orient the Trumpcard Modem so that the 68-pin connector is next to the PCMCIA slot of the computer. • Insert the Trumpcard Modem into the slot until it is firmly s[...]

User’s Guide and Reference 2 - 3 Hardware Installation Connecting to the Telephone Network with a Direct Cable Connection The Trumpcard Modem may be directly connected to either a standard land based telephone line or to a cellular telephone using the cellular option kit. For cellular installation, refer to the installation instructions accompany[...]

2 - 4 Trumpcard 14400/28800 Modem Section Two Connecting to a Telephone Network through the Line Interface Module The Trumpcard Modem may be connected to a variety of telephone networks using the Line Interface Module, and the appropriate Adapter Cable. Contact Ositech for the latest list of countries supported. To connect the Trumpcard Modem to yo[...]

User’s Guide and Reference 4 - 1 Basic Modem Operation Section Three Basic Modem Operation This section provides basic instructions for getting started with your Modem. • Before You Begin • Operating the Trumpcard Modem • Using AT Commands • Making an Outgoing Call • Re-Dialling the Last Number • Storing a Number • Connection Messag[...]

4 - 2 Trumpcard 14400/28800 Modem Section Four Be f ore Y ou Begin Before you begin using the Modem, you should configure your communications software to work with the Trumpcard. For specific configuration instructions, refer to the documentation that came with your communications software. You will likely require the following information: • Com[...]

User’s Guide and Reference 4 - 3 Basic Modem Operation Oper ating the T rumpcard Using A T Commands In order to communicate with the Modem, the Modem must be in command mode. In addition, you must have your communications software operating and communicating interactively with the Modem. The Trumpcard will automatically be in command mode after y[...]

4 - 4 Trumpcard 14400/28800 Modem Section Four Making an Outgoing Call To make an outgoing call manually, enter: ATD 234 3456 [ENTER] Where 234 3456 is the telephone number of the remote Modem. Spaces on the command line are ignored by the Modem. There are a number of options that you can add to the dial command. Some of the more common are listed [...]

User’s Guide and Reference 4 - 5 Basic Modem Operation Re-Dialling the Last Number To re-dial the last number you called, enter: ATDL [ENTER] Storing a Number If there are some numbers that you call regularly, you may want to store them so that you do not have to enter the whole number every time you call. You can store up to four numbers (in loc[...]

4 - 6 Trumpcard 14400/28800 Modem Section Four Short Long Description Form Form 1 2 CONNECT 9600 connection at 9600 bps 1 3 CONNECT 7200 connection at 7200 bps 1 4 CONNECT 12000 connection at 12000 bps 1 5 CONNECT 14400 connection at 14400 bps 1 6 CONNECT 19200 connection at 19200 bps 1 7 CONNECT 38400 connection at 38400 bps 1 8 CONNECT 57600 conn[...]

User’s Guide and Reference 4 - 7 Basic Modem Operation Short Long Description Form Form 6 2 CONNECT 24000 connection at 24000 bps * 6 3 CONNECT 26400 connection at 26400 bps * 6 4 CONNECT 28800 connection at 28800 bps * 6 6 COMPRESSION CLASS 5 MNP data compression 6 7 COMPRESSION V.42BIS V.42bis data compression 6 9 COMPRESSION NONE no compressio[...]

4 - 8 Trumpcard 14400/28800 Modem Section Four Receiving an Incoming Call Your communications software may be able to accept incoming calls automatically or semiautomatically. Refer to your communications software documentation for information. If your communications software can not automatically accept incoming calls, start your communications so[...]

User’s Guide and Reference 4 - 9 Basic Modem Operation Modem Configurations for Cellular Operation The Trumpcard’s performance will be improved by modifying the standard (factory default) configuration. For reliable communications, it is also recommended that the Modem to which you are connecting also be MNP10 compatible. Using a MNP10 link wil[...]

4 - 10 Trumpcard 14400/28800 Modem Section Four Cellular Phone Configuration The placement of the cellular phone and antenna is critical to the success of the communications session. The antenna placement should be adjusted until the maximum signal strength is observed on the cellular phone signal indicator. Under some circumstances a special high [...]

User’s Guide and Reference 4 - 11 Basic Modem Operation The initialization string sent to the Trumpcard for cellular connections may not result in the optimum connection when used for landline connections. If possible, set the communications software to send the desired initialization string based on the type of connection being used. Refer to th[...]

4 - 12 Trumpcard 14400/28800 Modem Section Four[...]

User’s Guide and Reference 4 - 1 Modem Command Reference Section Four Modem Command Reference This section of the manual describes the AT commands that the Trumpcard modem supports. This information includes command parameters, defaults, result codes, and often examples. These commands cannot be entered (and sent) to the modem from the operating [...]

4 - 2 Trumpcard 14400/28800 Modem Section Four Modem Command Guidelines Each of the following modem command descriptions has a list of possible parameters with their default values. The modem loads the default values at initialization (when you turn the power on or you issue the ATZ command). If you exclude a mandatory parameter, the modem assumes [...]

User’s Guide and Reference 4 - 3 Modem Command Reference If you enter a parameter for the AT or AT% commands that is out of range, the upper limit is stored and no ERROR message is reported. Following the modem command description assume OK and ERROR as valid responses for almost all of the commands. Other valid responses for a command, if any, [...]

4 - 4 Trumpcard 14400/28800 Modem Section Four Modem Command Summary Command Title Default A / Re-execute Command none A Answer none B n Set ITU-T or Bell Mode 1 * Dn Dial T E n Command Echo 1 * Fn Select Line Modulation (14400) none + MS Select Line Modulation (28800) none H n Switch-Hook Control none In Identification none L n Speaker Volume 2 * [...]

User’s Guide and Reference 4 - 5 Modem Command Reference Command Title Default & M n Communication Mode (&Qn) * &P n Dial Pulse Ratio 0 * &Q n Communication Mode 5 * &R n RTS/CTS Option 0 * &S n DSR Option 0 * &Tn Test And Diagnostic 4 * & V View Configuration and User Profiles none &Wn Store User Profile none [...]

4 - 6 Trumpcard 14400/28800 Modem Section Four Modem Command Descriptions A/ — Re-execute Parameters none Default none Re-executes the most recent AT command string. The principle application of this command is to place another call (e.g., Dial command) that failed, to connect due to a busy line, no answer, or a wrong number. This command must ap[...]

User’s Guide and Reference 4 - 7 Modem Command Reference Bn — Set ITU-T or Bell Mode Parameters 0 , or 1 Default 1 Selects between ITU-T and Bell modes for a 1200 bps connection. Examples ATB0 Selects ITU-T V.22bis and V.22 standards for communication at 2400 bps and 1200 bps. ATB1 Selects Bell 212A for communication at 1200 bps Dn — Dial Par[...]

4 - 8 Trumpcard 14400/28800 Modem Section Four @ Causes the modem to listen for 5 seconds of silence. If a 5 second silence has not been detected within the period specified in S7 (default = 30 seconds), the modem disconnects and returns the NO ANSWER result code. If it detects a busy signal, it returns a BUSY result code. If the 5 seconds of silen[...]

User’s Guide and Reference 4 - 9 Modem Command Reference Result Codes NO DIAL TONE If X2 or X4 is selected and 1 second of dial tone is not detected within 5 seconds; or if W dial modifier is used and 3 seconds of dial tone is not detected within the time specified by S7 BUSY I f busy is detected, and X3 or X4 is selected or if dial modifier is u[...]

4 - 10 Trumpcard 14400/28800 Modem Section Four ATF3 Permit V.23 1200/75 bps connections only ATF4 Permit V.22 1200 bps connections only ATF5 Permit V.22bis 2400 bps connections only ATF6 Permit V.22bis or V.32 4800 bps connections only ATF7 Permit V.32bis or V.32 7200 bps connection only ATF8 Permit V.32bis or V.32 9600 bps connections only ATF9 P[...]

User’s Guide and Reference 4 - 11 Modem Command Reference 9 V.32 9600 or 4800 1 0 V. 3 2b i s 14400, 12000, 9600, 7200, or 4800 1 1 V.34 28800, 26400, 24000, 21600, 19200, 16800, 14400, 12000, 9600, 7200, 4800, or 2400 6 4 Bell 103 3 0 0 6 9 Bell 212 1200 7 4 V F C 28800, 26400, 24000, 21600, 16800, or 14400 2. <automode> is an optional num[...]

4 - 12 Trumpcard 14400/28800 Modem Section Four In — Identification Parameters 0 - 6 Default 0 Returns the product code, returns the checksum of the firmware ROM, or computes the checksum of the firmware ROM and reports its error status. The product code contains 3 digits. The checksum result consists of three ASCII numeric characters followed by[...]

User’s Guide and Reference 4 - 13 Modem Command Reference Examples ATM0 Speaker is always off ATM1 Speaker is on during call establishment, but off when connected to a remote modem ATM2 Speaker is always on ATM3 Speaker is off when dialling or connected to a remote modem, but on during call answering Nn — A utomode Detection Parameters 0 or 1 D[...]

4 - 14 Trumpcard 14400/28800 Modem Section Four Result Codes CONNECT XXXX If a connection is established NO CARRIER If retrain is not successful in the time specified by S7 P — Set Pulse Dial as Default Parameters none Default none Causes the modem to assume that all subsequent dial commands are pulse dialled. The user may omit the "P" [...]

User’s Guide and Reference 4 - 15 Modem Command Reference Examples ATSn Establishes S-register n as the default register ATSn=x Set S-register n to the value x ATSn? Reports the value of S-register n T — Set T one Dial as Default Parameters: none Default: none Causes the modem to assume that all subsequent dial commands are tone dialled. The us[...]

4 - 16 Trumpcard 14400/28800 Modem Section Four Xn — Extended Result Codes Parameters 0, 1 , 2 , 3 , or 4 Default 4 Determines whether the modem responds to dial tone and busy signals, and how it displays result codes for CONNECT messages. When the modem ignores dial tone, it waits for a time delay given by register S6 (default = 2 seconds) and t[...]

User’s Guide and Reference 4 - 17 Modem Command Reference Result Codes — Q0, V1, Wn, S95 Short Form Long Form n Value in ATXn Command 01 23 4 0O K X X X X X 1 CONNECT X X X X X 2 RING X X X X X 3 NO CARRIER X X X X X 4 ERROR X X X X X 5 CONNECT 1200 X X X X 6 NO DIAL TONE X X 7 BUSY X X 8 NO ANSWER X X X X X 9 CONNECT 0600 X X X X 10 CONNECT 24[...]

4 - 18 Trumpcard 14400/28800 Modem Section Four Short Form Long Form n Value in ATXn Command 01 23 4 51 CARRIER 12000 X X X X X 52 CARRIER 14400 X X X X X 53 CARRIER 16800 * X X X X X 54 CARRIER 19200 * X X X X X 55 CARRIER 21600 * X X X X X 56 CARRIER 24000 * X X X X X 57 CARRIER 26400 * X X X X X 58 CARRIER 28800 * X X X X X 59 CONNECT 16800 * X [...]

User’s Guide and Reference 4 - 19 Modem Command Reference Yn — Control Long Space Disconnect Parameters 0 or 1 Default 0 Enable/disable the generation and response to long space disconnect. Examples ATY0 Disable long space disconnect ATY1 Enable long space disconnect. In non-error correction mode, a four second space will be sent prior to going[...]

4 - 20 Trumpcard 14400/28800 Modem Section Four &Dn — DTR Option Parameters 0, 1, 2 , or 3 Default 0 Determines actions taken by the modem in relation to the Data Terminal Ready (/DTR) signal of the serial port. The effect of /DTR loss depends upon the &D and &Q (&M) commands. The action for the event that follows /DTR loss is ind[...]

User’s Guide and Reference 4 - 21 Modem Command Reference &Gn — Set Guard T one Parameters 0, 1 , or 2 Default 0 Normally, controls the generation of guard tone. This command is not implemented; however, the command structure is provided for application compatibility. &Jn — T elephone Jac k Selection Parameters 0 or 1 Default 0 The co[...]

4 - 22 Trumpcard 14400/28800 Modem Section Four &Ln — Line T yp e Parameters 0 or 1 Default 0 Controls selection of leased line or dial-up line. Although the modem has only a single line connection, the power level is changed when setting leased line operation. Examples AT&L0 Dial-up line AT&L1 Leased line &Mn — Communication Mo[...]

User’s Guide and Reference 4 - 23 Modem Command Reference Examples AT&Q0 Selects asynchronous operation in the Direct mode. In this mode, the communications software speed must match the telco line speed. AT&Q4 Selects AutoSync operation. Is used in conjunction with communications software that is compatible with the Hayes Synchronous Int[...]

4 - 24 Trumpcard 14400/28800 Modem Section Four &Tn — T est and Diagnostic Parameters 0, 1, or 3 through 8 Default 4 Selects the test command. Test commands must be initiated in the command mode with asynchronous operation in the Direct mode selected (&Q0) at a speed of less than 14400 or 28800 (28800 version only). A telco line connectio[...]

User’s Guide and Reference 4 - 25 Modem Command Reference AT&T6 Initiates remote digital loopback. The characters received from the local communications software are transmitted to the remote modem and looped back from the remote modem to the local modem. This test verifies the working condition of the path between the local communications so[...]

4 - 26 Trumpcard 14400/28800 Modem Section Four STORED PROFILE 1: B1 E1 L2 M1 N1 V1 W0 X4 Y0 &C0 &D0 &G0 &JO &K3 &Q5 &R0 &S0 &T4 &X0 S00:000 S02:043 S06:002 S07:030 S08:002 S09:006 S10:014 S11:095 S12:050 S18:000 S36:005 S37:000 S40:105 S41:135 S46:138 S95:000 TELEPHONE NUMBERS: 0= 1= 2= 3= &Wn — Store [...]

User’s Guide and Reference 4 - 27 Modem Command Reference &Zn=x — Store Phone Number Parameters n = 0, 1, 2, or 3, x = dial string Default none Stores a 36-digit dial string (x) in the specified entry (n) for later dialling. (See DSn command.) Bn — T ransmit Break Parameters 1 through 9 (If n = 0, the default value is used; if n is great[...]

4 - 28 Trumpcard 14400/28800 Modem Section Four Examples When a BREAK is received from the communications software when connected to a remote modem, the modem takes the following action: ATK0,2,4 Modem enters the command mode (waiting for AT) without sending a BREAK to the remote modem ATK1 Modem clears the terminal and modem buffers and sends a [...]

User’s Guide and Reference 4 - 29 Modem Command Reference Nn — Operation Mode Control Parameters 0, 1 , 2 , 3, 4 , or 5 Default 3 Selects the operating mode the modem uses while connected (see &Qn command). Examples ATN0 Selects Normal (speed buffering) mode. This option takes effect at physical connection time. ATN1 Same as ATN0. ATN2[...]

4 - 30 Trumpcard 14400/28800 Modem Section Four %En — Enable/Disable Line Quality Monitor Parameters 0-3 Default 2 Controls whether or not the modem will automatically monitor the line quality and request a retrain, or fall back when line quality is insufficient, or fall forward if line quality is sufficient. Examples AT%E0 Disable line quality m[...]

User’s Guide and Reference 4 - 31 Modem Command Reference Returns the high-order byte of the calculated Eye Quality Monitor (EQM) value. The value for a normal connection ranges from about 0 to 2 and approaches 8 for a progressively poorer connection. -Kn — MNP Extended Services Parameters 0, 1 or 2 Default 1 Enables the modem to investigate th[...]

4 - 32 Trumpcard 14400/28800 Modem Section Four Enables adjustment of the transmit levels based on attenuation and possibly, signal-to-noise ratio of the line to minimize the "clipping". The transmit levels are adjusted only when retrain and speed shift are performed. Examples AT)M0 No transmit level adjustment, fixed at -10 dBm [adjust p[...]

User’s Guide and Reference 4 - 33 Modem Command Reference . AT@M30 -30dBm AT@M31 -31dBm [n init string] — Event Based Command Parameters n = 0 or 1 init string = any valid AT command(s) except Z (reset) Defaults n = 0 init string = NULL The event based command is unique in that it allows single or multiple AT commands to be associated with an e[...]

4 - 34 Trumpcard 14400/28800 Modem Section Four The above command processes the &F&C1&D2&S1 once when the command line is first entered, the S95=18 whenever operating as a land based connection and S95=44)M1*H2:E0 whenever operating as a cellular based connection. AT[] or AT[0] The above command clears any command(s) associated with[...]

User’s Guide and Reference 4 - 35 Modem Command Reference S9 * Carrier Detect Response Time 6 S1 0 Lost Carrier To Hang Up Delay 1 4 S11 * DTMF Tone Duration 9 5 S12 * Escape Code Guard Time 5 0 S13 Reserved none S14 * Bit Mapped Options ** 1 3 8 S15 Reserved none S1 6 Bit Mapped Test Options ** 0 S17 Reserved none S18 * Test Timer 0 S19 Reserved[...]

4 - 36 Trumpcard 14400/28800 Modem Section Four S95 * Extended Result Codes 0 * Register value may be stored in one of two user profiles with the AT&Wn command. ** Writing to bit mapped options registers, although possible, can result in unreliable and unpredictable operation.[...]

User’s Guide and Reference 4 - 37 Modem Command Reference Register Descriptions S0 — Number of Rings Till A uto-Ans wer Range 0-255 rings Default 0 Establishes the number of rings required before the modem answers the incoming calls. Setting this register to zero disables auto-answer mode. S1 — Ring Counter Range 0-255 rings Default 0 Number [...]

4 - 38 Trumpcard 14400/28800 Modem Section Four S5 — Backspace Character Range 0-32, ASCII decimal Default 8 (Backspace) Sets the character recognized as a backspace. Pertains to asynchronous operation only. The modem will not recognize the Backspace character if it is set to a value that is greater than 32 ASCII. This character can be used to ed[...]

User’s Guide and Reference 4 - 39 Modem Command Reference Default 2 Sets the length of time to pause when the modem encounters the "Pause During Dial" call progress feature, i.e., the comma (,). S9 — Carrier Detect Response Time Range 1-255 tenths of second Default 6 (0.6 seconds) Determines how long a carrier signal must be present b[...]

4 - 40 Trumpcard 14400/28800 Modem Section Four S18 — T est Timer Range 0-255 seconds Default 0 Sets the length of time the modem conducts a test before returning to the command mode. If this register is zero, the test will not automatically terminate; the test must be terminated from the command mode by issuing an &T0 or H command. S24 — S[...]

User’s Guide and Reference 4 - 41 Modem Command Reference S32 — XON Character Range 0-255 Default 17 Sets the value of the XON character. S33 — XOFF Character Range 0-255 Default 19 Sets the value of the XOFF character S36 — LAPM Failure Control Range 0-7 Default 7 This register is used when the S48 register contains the value 128 and an at[...]

4 - 42 Trumpcard 14400/28800 Modem Section Four S36 = 4 An MNP connection is attempted, and if it fails, the modem disconnects. S36 = 5 An MNP connection is attempted, and if it fails, a Direct mode connection is established. S3 6 = 6 Reserved. S36 = 7 An MNP connection is attempted, and if it fails, a Normal mode connection is established. S37 —[...]

User’s Guide and Reference 4 - 43 Modem Command Reference S38 — Delay Before Forced Disconnect Range 0-255 seconds Default 20 This register specifies the delay between the modem's receipt of the Hangup (H) command to disconnect (or ON-to-OFF transition of /DTR if the modem is programmed to follow the signal) and the disconnect operation. F[...]

4 - 44 Trumpcard 14400/28800 Modem Section Four S48 — V .42 Negotiation Action Range 0,7, or 128 Default 7 The V.42 negotiation process determines the capabilities of the remote modem. However, when the capabilities of the remote modem are known and negotiation is unnecessary, the process can be bypassed if desired. If an invalid number is entere[...]

User’s Guide and Reference 4 - 45 Modem Command Reference S95 — Extended Result Codes The bits in this register can be set to override some of the Wn command options. A bit set to a 1 in this register will enable the corresponding result code regardless of the Wn setting. Bit 0 CONNECT result code indicates DCE speed instead of DTE speed Bit 1 [...]

4 - 46 Trumpcard 14400/28800 Modem Section Four F acsimile Commands Fax commands are listed here only for reference. Use of these commands should be limited to fax application software. If you have additional questions about the Trumpcard facsimile operation, please contact Ositech (our address and telephone number are in the front of this manual).[...]

User’s Guide and Reference 5- 1 Modem Test Procedures Section Five Modem T est Pr ocedures This section of the manual describes the different tests that you can perform when you are trying to find the source of a problem. • Local Modem Self-Test • Local Analog Loopback • Local Analog Loopback with Self-Generated Pattern • Remote Digital L[...]

5 - 2 Trumpcard 14400/28800 Modem Section Five Local Modem Self-T est To run a local self-test: 1. Put the Modem into interactive or local mode . Refer to the communications software manual for this information. 2. Enter AT [ENTER] . The Modem will respond with OK . If you cannot see the letters you entered, the local Modem echo is OFF. To turn on [...]

User’s Guide and Reference 5- 3 Modem Test Procedures Local Analog Loopback This test checks the path between the local Modem and the PC. The test is only functional when the Modem is in direct mode (&Q0) and the COM port baud rate is set to 14400 bps (Trumpcard 14400) / 28800 bps (Trumpcard 28800) or less. To start this test, the Modem must [...]

5 - 4 Trumpcard 14400/28800 Modem Section Five Local Analog Loopback with Self- Generated Pattern This test verifies the integrity of the local Modem transmit and receive circuits. The test is only functional when the Modem is in direct mode (&Q0) and the COM port baud rate is set to 14400 bps (Trumpcard 14400) / 28800 bps (Trumpcard 28800) or [...]

User’s Guide and Reference 5- 5 Modem Test Procedures Remote Digital Loopback This test checks the local and remote modems and the telephone circuit. The test is only functional when the Modem is set to direct mode (&Q0) and the COM port baud rate is set to 14400 bps (Trumpcard 14400) / 28800 bps (Trumpcard 28800) or less. A message is sent t[...]

5 - 6 Trumpcard 14400/28800 Modem Section Five Remote Digital Loopback with Self- Generated Pattern This procedure tests the remote Modem port, the telephone line, the local serial and Modem ports. The test is only functional when the Modem is in direct mode (&Q0) and the COM port baud rate is set to 14400 bps (Trumpcard 14400) / 28800 bps (Tru[...]

User’s Guide and Reference 5- 7 Modem Test Procedures Local Digital Loopback This test is used to verify the communications link and the remote Modem, and is only functional when the Modem is in direct mode (&Q0) and the COM port baud rate is set to 14400 bps (Trumpcard 14400) / 28800 bps (Trumpcard 28800) or less. To run this test: 1. Establ[...]

5 - 8 Trumpcard 14400/28800 Modem Section Five T esting Modem Memor y The I command can be used to obtain information on the modem’s memory and perform a checksum test. Product Information This test displays the modem’s product information. 1. Enter ATI3 [ENTER] . The Modem will respond with a line identifying the Modem and its capabilities. Us[...]