Manuale d’uso / di manutenzione del prodotto MTA128ST-USB del fabbricante Multitech
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Model MT A128ST -USB External ISDN T erminal Adapter User Guide.
User Guide Model MT A128ST -USB S000337A Revision A Copyright ©2004, b y Multi-T ech Systems, Inc. All rights reser v ed. This publication ma y not be reproduced, in whole or in par t, without prior expressed written per mission from Multi-T ech Systems, Inc.
iii Contents Chapter 1 - Introduction and Description Introduction ................................................................................................................................................. 6 Product Description ................
Canceling a Call ............................................................................................................... ................... 8 0 Storing a T elephone Number ......................................................................
Chapter 1 - Introduction and Description.
6 MultiModemISDN User Guide Introduction Welcome to the world of data comm unications. Y ou hav e acquired one of the finest ISDN ter minal adapters (T A) av ailable toda y from one of America’ s oldest and most respected modem manufacturers: Multi-T ech Systems, Inc.
7 Chapter 1 - Introduction and Description Manual Organization This manual is divided into six chapters and two appendixes: Chapter 1: Introduction and Description —Summarizes product features, lists technical specifications, and pro vides an overview of the manual’ s organization.
8 MultiModemISDN User Guide Features The MT A128ST -USB communicates over pub lic ISDN telephone lines . F eatures include: • Compatibility with EuroISDN (ETSI/DSS1/NET3), F rench VN4, and J apanese.
9 Chapter 1 - Introduction and Description T echnical Specifications Y our MT A128ST -USB ter minal adapter meets the follo wing specifications: T rade Name MultiModemISDN Model Number MT A128ST -USB (Inter national) Network Interface Four-wire S/T interface Switch Compatibility EuroISDN (ETSI/DSS1/NET3), VN4, INS64, U .
Chapter 2 - Hardware Installation.
11 Chapter 2 - Hardware Installation Introduction This chapter details the contents of the MT A128ST -USB shipping container, describes each cab le connection, and describes the LED indicators.
12 MultiModem ISDN User Guide Assembling the MT A128ST -USB The only assembly required is to mount the f eet on the bottom of y our unit (See Figure 2-2). P eel the four self-adhesive plastic feet off the backing strip and press them into the recesses on the bottom of the MT A128ST -USB.
13 Chapter 2 - Hardware Installation Connecting to Y our Computer 1. Plug the 4-pin flat end (T ype A) into a USB por t connector on your computer or laptop . Note: Do NOT plug the “D-shaped” end (T ype B) of the USB cable into the USB connector on the back panel of the MT A128ST -USB at this time.
14 MultiModem ISDN User Guide LED Indicators The ten LED indicators on the front panel (see Figure 2-4) of the MT A128ST -USB repor t status and line activity . TD RD LS B1 B2 TR OH 128 P1 P2 USB ISDN Modem with Analog Port Figure 2-4: Front Panel TD T ransmit Data Flashes when data is being transmitted (on for a space, off for a mark).
15 Chapter 2 - Hardware Installation P1 Data Protocol Lights in combination with P2 and 128 LEDs to indicate which data protocol (V .110 [build MT A128ST -USB only] , V .120, X.75, PPP , MLPPP) is in use as shown in the table belo w . P2 Data Protocol Lights in combination with P1 and 128 LEDs to indicate which data protocol (V .
Chapter 3 - Software Installation and Configuration.
17 Chapter 3 - Software Installation and Configuration Introduction This chapter describes how to install the MT A128ST -USB dr iv er software and discusses how to configure the unit to match your ISDN service and remote ter minal adapter (T A).
18 MultiModemISDN User Guide 6. The Locate Driver Files dialog box displays. V er ify that the “Flopp y disk dr iv es” option is selected and click Ne xt > . 7. If the Digital Signature Not Found dialog box displays, click Ye s to continue. 8. The Found New Har d ware Wizard asking y ou to inser t the installation disk ette displa ys.
19 Chapter 3 - Software Installation and Configuration 9. The Driver Files Search Results dialog box displays. Windows indicates it has f ound the de vice drivers and is ready to cop y them to y our computer .
20 MultiModemISDN User Guide Changing the Modem Descriptor (Windows 2000) The f ollowing procedure describes how y ou can change the description of the ter minal adapter . The def ault descriptor is MT A128ST -USB CDC ML-PPP . Note : If you need assistance , contact Multi-T ech’ s T echnical Suppor t group .
21 Chapter 3 - Software Installation and Configuration 8. The Upgrade Device Driver Wizard dialog bo x displa ys. Click Next > . 9. The Install Hardware Device Drivers dialog box displays. Select “Displa y a list of the kno wn drivers f or this device .
22 MultiModemISDN User Guide 1 0 . The Install New Modem dialog box displays. Select the appropriate descriptor (e.g., MT A128ST -USB CDC V .120 async) and clic k Next > . 1 1 . The Start Device Driver Installation dialog box displays. Clic k Ne xt > to star t the de vice dr i v er installation.
23 Chapter 3 - Software Installation and Configuration 13.The Completing the Upgrade Device Driver Wizar d dialog box displa ys. Click Finish . 1 4 . The Properties dialog box displays.
24 MultiModemISDN User Guide Installing in Windows 95/98 Installing the USB de vice within Windows 95/98 inv olv es first creating a por t within Windo ws, then installing the USB de vice dr i ver . The instructions which follow guide y ou through the Windows 98 installation process.
25 Chapter 3 - Software Installation and Configuration 6. The Ad d New Har dware Wizard displa ys a list of de vice types. Select Auxiliary-Drivers and click Next> . 7. The Add New Har dware Wizard displa ys, asking y ou to select the manuf acturer and model of your hardware device.
26 MultiModemISDN User Guide 9. The Add New Har dware Wizard dialog bo x requests you to select the manuf acturer and model of your hardware device. Select the MT A128ST -USB ISDN T er minal Adapter , and click Ne xt> . 1 0 . The Update Driver W arning dialog box displa ys.
27 Chapter 3 - Software Installation and Configuration 1 2 . A progress indicator displa ys as files are copied to the system. The Add Har d ware Wizard displa ys indicating that Windows has finished installing the software f or the de vice. Click Finish .
28 MultiModemISDN User Guide 1 4 . The New Har dware Wizard displa ys asking, What do you w ant Windows to do? Select Search for the best driver for your device (Recommended) . Click Next> . 1 5 . The Add Ne w Hardware Wizard dialog bo x displays , indicating Windows will search f or new drivers in the location you select.
29 Chapter 3 - Software Installation and Configuration 1 6 . The Add New Har dware Wizard dialog bo x displays , indicating Windows has f ound an updated driver for this device. Ensure Select the updated driver (Recommended) MT A128ST -USB ML-PPP is selected.
30 MultiModemISDN User Guide 1 8. Windows proceeds to copy the files to the system and then displays the Add New Hardware Wizard dialog bo x, indicating that Windows has finished installing the software . Click Finish to complete the installation and exit the wizard.
31 Chapter 3 - Software Installation and Configuration Changing the Modem Descriptor (Windows 95/98) The f ollowing procedure describes how y ou can change the description of the ter minal adapter . The def ault descriptor is MT A128ST -USB ML-PPP . Note : If you need assistance , contact Multi-T ech’ s T echnical Suppor t group .
32 MultiModemISDN User Guide 8. The Update Device Driver Wizard dialog bo x displa ys. Select “Displa y a list of all the drivers in a specific location, ... ” and then clic k Ne xt > . 9. The Upgrade Device Driver Wizard dialog bo x displa ys.
33 Chapter 3 - Software Installation and Configuration 1 1 . The Update De vice Driver Wizard dialog bo x displa ys indicating that it is ready to install the selected driver .
34 MultiModemISDN User Guide Removing Y our Old Device fr om Windows 2000 and Windows 98/ 95 When your ne w MT A128ST -USB replaces another ter minal adapter , the old installation remains in Windows .
35 Chapter 3 - Software Installation and Configuration Configuration Run the ISDN MT A128ST -USB configuration utility f or Nor th American customized ISDN settings. Note : For Europe, run the configuration utility to customize the settings of the terminal adapter such as configuring Multiple Subscriber Numbers (MSNs).
36 MultiModemISDN User Guide accepts any incoming call with the same base address, regardless of whether a subaddress is included. If you assign a base address and a subaddress to the MSN, the unit only accepts calls that match both the base address and the subaddress.
37 Chapter 3 - Software Installation and Configuration • V .110 Protocol* —Used to connect slo wer , pre-ISDN communications de vices to high-speed ISDN lines. It handles rates up to only 38400 bps and is used mostly in Europe. The de vices on both ends of the link must be set to identical rates .
38 MultiModemISDN User Guide ISDN MT A128ST -USB Configuration Utility Use the ISDN MT A128ST -USB Configuration Utility with computers running Windo ws 2000/98/95 operating systems only . Because it is a software utility , you can use it to create and store as many different configurations as you wish.
39 Chapter 3 - Software Installation and Configuration Windows 2000 Dial-Up Networking The f ollo wing instructions descr ibe all Dial-Up Networking connection options under Windows 2000 as well as guide you through setting up a Dial-up Networking connection to an Internet Service Provider (ISP).
40 MultiModemISDN User Guide If you select Dial-up to private network and have only one modem installed: a . The Phone Number to Dial dialog box is displayed. Enter the phone number of the computer , network or Inter net Ser vice Pro vider (ISP) to which you are connecting.
41 Chapter 3 - Software Installation and Configuration g . The Step 3 of 3: Configuring your computer dialog box is displayed. In the box provided, enter a descriptive name for this connection and click Next > . h . Y ou are then asked if you w ould like to set up an Internet mail account.
42 MultiModemISDN User Guide d . The Connection A vailability dialog box is displa y ed. If you are creating this connection f or multiple users, select Create this connection for all users . If this connection will be used only by you, select Create this connection only for myself .
43 Chapter 3 - Software Installation and Configuration Windows 98/95 Dial-Up Networking Windows 98/95 includes a remote-node client called Dial-Up Networking (DUN). Before beginning, make cer tain Dial-Up Netw orking and TCP/IP are installed on y our computer .
44 MultiModemISDN User Guide 5 . The Make New Connection dialog box displays indicating you have created a new Dial-Up connection. Click Finish . 6 . F rom the Dial-Up Networking f older , right click on the Dial-Up Connection just created and select Properties to open the Modem Properties dialog box.
45 Chapter 3 - Software Installation and Configuration 9 . The TCP/IP Settings dialog bo x displays . If your ISP pro vided y ou with an IP address f or y our computer , select Specify an IP address and enter the static address in the box provided.
Chapter 4 - A T Commands, S-Registers and Result Codes.
47 Chapter 4 - A T Commands, S-Registers, and Result Codes Introduction One of the wa ys y ou can communicate with and configure y our MT A128ST -USB is to use A T commands. A T commands are so-called because, with only a f ew e xceptions , each command string begins with the characters AT .
48 MultiModemISDN User Guide A T Commands b y Function Command Implementation A T Attention code Return Command execution +++A T<cr> In-band escape code <break>A T<cr> Out-of-band es.
49 Chapter 4 - A T Commands, S-Registers, and Result Codes Data Call Commands A Answer D Dial DS n Dial Stored telephone number &J n Channel Bundling H Hang up In Display product information O n R.
50 MultiModemISDN User Guide Switch Configuration Commands Use the following commands to select your network switch type (e.g., EuroISDN Net3) and to specify other information required to make an ISDN connection.
51 Chapter 4 - A T Commands, S-Registers, and Result Codes Command: !D3=n Function: SAPI-0 Data TEI V alues: n = 0–63, 240 (auto), 241 (disable) Default: !D3=240 (A uto TEI) Description: Use !D3= to set the terminal endpoint identifier (TEI) for the data channel.
52 MultiModemISDN User Guide Command: !EN=n Function: Enable Data DN/MSN V alues: n = 1 o r 2 Default: All por ts are enabled. Description: ! ENn enables a Data DN/MSN which will put it back in service for accepting and originating data calls.
53 Chapter 4 - A T Commands, S-Registers, and Result Codes Command: !N2=n Function: Data DN/MSN 2 V alues: n=25-character string Default: Null string Description: Dat a DN/MSN 2 accommodates the functionality for handling acceptance of incoming data. Data DN/MSN 2 can be set to the same v alue as the V oice DN/MSN or Data DN/MSN 1.
54 MultiModemISDN User Guide Command: !Z=n Function: Rate Adaption Protocol V alues: n = 5 , 6, 9 , or 12 Default: !Z=9 (ML-PPP) Description: Selects rate adaption protocol used to communicate with another T A. The local and remote terminal adapters must be set to the same protocol for communication to take place.
55 Chapter 4 - A T Commands, S-Registers, and Result Codes USB Port Configuration Commands Use the f ollowing commands to control the interaction between the MT A128ST -USB and the computer that is connected to it.
56 MultiModemISDN User Guide Command: Sr? Function: Read Regist er V alue V alues: r = S-register number Default: None Description: Use Sr? to read the v alue of an S-register , where r is the number of the S- register . See S-Registers in this chapter f or fur ther information.
57 Chapter 4 - A T Commands, S-Registers, and Result Codes Command: &Cn Function: DCD Control V alues: n = 0 , 1, o r 2 Default: &C1 (DCD normal) Description: C ontrols behavior of the DCD (Data Carrier Detect) signal (pin 8 on the RS232E/V .24 interface).
58 MultiModemISDN User Guide &E3 Disable flo w control by the T A &E4 Hardware flow control. &E4 causes the T A to use the CTS signal on pin 5 of the RS232E/V .24 interf ace to regulate flow control. When CTS goes low , data flow from the computer is suspended until CTS goes high again.
59 Chapter 4 - A T Commands, S-Registers, and Result Codes * The MT A128ST -USB is manuf actured in two builds . T o deter mine the build of y our ter minal adapter (T A), issue the A TI2 command in a ter minal window . If the T A responds to the command with MT A128ST -USB , then it suppor ts V .
60 MultiModemISDN User Guide Command: &Wn Function: Store Active Profile V alues: n = 0 or 1 Default: &W1 (Use factory default profile) Description: Stores your activ e profile , or configuration, in memory , so you won't lose custom settings when you turn off the T A or reset it.
61 Chapter 4 - A T Commands, S-Registers, and Result Codes description for this case). The v alue of $MB will change if S76 is changed and the v alue of S76 will change if $MB is changed. * The MT A128ST -USB is manuf actured in two builds . T o deter mine the build of y our ter minal adapter (T A), issue the A TI2 command in a ter minal window .
62 MultiModemISDN User Guide Description: F orces T A to go off-hook (to take control of the telephone line) or to go on- hook (hang up). Since the T A goes off-hook automatically when it dials, the H command is nor mally used only to hang up . T o hang up, first escape to command mode ( +++A T <cr> ), then type AT H (or A TH0 ) <cr> .
63 Chapter 4 - A T Commands, S-Registers, and Result Codes S-Registers S-registers are sections of memor y in which v alues are stored that aff ect how the MT A128ST -USB operates. S-registers are so-called because each has a name that begins with the character S.
64 MultiModemISDN User Guide S7 7 V .110 Network Rate Control S80 P ersistent DTR Dialing Delay Note: V .110 is suppor ted in build MT A128ST -USB only .
65 Chapter 4 - A T Commands, S-Registers, and Result Codes S-Register: S5 Function: Backspace Character Unit: Decimal ASCII code Range: 0 –32, 127 Default: 8 (^H) Description: Specifies the character used by the T A to delete the previous character in the command line.
66 MultiModemISDN User Guide through the serial por t (either sent or received). Disable the inactivity timer by setting S30=0, which is the factory default setting.
67 Chapter 4 - A T Commands, S-Registers, and Result Codes S-register: S45 Function: Use Dial T one from Central Office Unit: Decimal ASCII code Range: n=0 N o dial tone n =1 Use Central Office dial t.
68 MultiModemISDN User Guide If the Called P ar ty Number inf or mation is not included in the incoming SETUP message, the RING message appears as follows: RING FM: 5552000 If neither the Called P ar ty Number nor Calling P ar ty Number is included in the incoming SETUP message, the RING message contains no additional information.
69 Chapter 4 - A T Commands, S-Registers, and Result Codes S-Register: S53 Function: Maximum X.75 Buffer Size Unit: 1 byte Range: n=64 - 2048 Default: 2048 (bytes) Description: S53 allows the maximum buffer size of an X.
70 MultiModemISDN User Guide Numbering Plan 0 Unknown 1 ISDN/telephony 3 Data 4T e l e x 8 National standard 9 Private Default: 128 (disabled) Description: Modifies the value of Octet 3 of the Calling P arty Number Infor mation Element that is sent within the SETUP message f or data and PO TS por t (voice/modem/f ax) calls.
71 Chapter 4 - A T Commands, S-Registers, and Result Codes S-register: S58 Function: Client-side Authentication Protocol Negotiation Unit: Decimal ASCII code Range: n=1 P A P n = 2 P AP between T A an.
72 MultiModemISDN User Guide scheme to drop a channel due to analog calls. Note: Using the DBA scheme on the host-side requires that you specify a Data Director y Number or MSN. Ref er to y our T A Owner’ s Manual f or information on how to specify a Data Directory Number or MSN.
73 Chapter 4 - A T Commands, S-Registers, and Result Codes S-register: S63 Function: Bandwidth-on-Demand Low Throughput Threshold Unit: Kbps Range: n=0–64 (Kbps) Default: 26 (26 Kbps) Description: Sets BOD Low Throughput Threshold, which determines whether second channel should be disconnected due to low throughput.
74 MultiModemISDN User Guide 3 Austria 4 Belgium 5 Cyprus 6 Denmark 7 Finland 8 F rance 9 Germany 1 1 0 Germany 2 1 1 Greece 1 2 Iceland 1 3 Ireland 1 4 Italy 1 5 Luxembourg 1 1 6 Luxembourg 2 1 7 Mal.
75 Chapter 4 - A T Commands, S-Registers, and Result Codes S-register: S68 Function: First Active Duration Unit: 1 ms Range: 5–9995 Default: 2000 ms Description: Sets the duration of the first active period of the ring signal. Any value given to this S-register is rounded down to the nearest 5 ms.
76 MultiModemISDN User Guide complete. The PPP Magic-Number Bloc k contains 5 Magic-Numbers in this implementation and is the def ault type. The Public Switched Netw or k Directory Number option uses Data Directory Number 1 as the Endpoint Discriminator (if it is blank, then Endpoint Discriminator is blank).
77 Chapter 4 - A T Commands, S-Registers, and Result Codes S-register: S77 Function: V .110 Network Rate Control* Unit: decimal ASCII code Range: n=1—use $MB (S76), n=2—use $MB (S76) or Auto Sync on Answer Default: 2 (use $MB(S76) or Auto Sync on Answer) Description: T he Network Rate for V .
78 MultiModemISDN User Guide Result Codes When the MT A128ST -USB (T A) receives an A T command from the computer or ter minal, it attempts to e x ecute the command, then sends a status message to the computer or terminal that repor ts the result of the command.
79 Chapter 4 - A T Commands, S-Registers, and Result Codes Using A T Commands to Operate the MT A128ST -USB Y ou can configure and operate the MT A128ST -USB entirely with A T commands if you lik e. But remember , you can issue A T commands only from a ter minal or from a computer running a communications program in terminal mode.
80 MultiModemISDN User Guide Note: In Windows 2000 and Windows 98/95, if the Use Country Code and Area Code box is chec ked in the Properties window for dial-up connection, the bundling modifier (i.e., &, + or !) is removed from the dialing string when the user attempts to make a connection.
81 Chapter 4 - A T Commands, S-Registers, and Result Codes this , enter A T&D0 <cr>. With this configuration, the T A can accept calls while DTR is low . If this configuration setting is not made, the T A rejects incoming calls until DTR is high while calls comes in.
Chapter 5 - T roub leshooting.
83 Chapter 5 - T r oubleshooting Introduction This chapter describes basic problems y ou may run into with y our MT A128ST -USB and how to solv e them.
84 MultiModemISDN User Guide • Make sure y ou are in ter minal mode in y our data communications program. Then type AT and press ENTER. If you get an OK response, your connections are good and the problem may be in your phonebook entry or session settings.
85 Chapter 5 - T r oubleshooting • A f aulty communications de vice , computer , or software at the other end. • Incompatibility between communications devices. • An improper ly configured MT A128ST -USB. Narrow the list of possibilities b y using extended result codes .
86 MultiModemISDN User Guide The MT A128ST -USB disconnects while online • Check f or loose connections between the MT A128ST -USB and the computer , the ISDN jack, and AC po wer. • The problem ma y ha ve originated at the other end of the line. T r y again.
87 Chapter 5 - T r oubleshooting sending ter minal adapter , then the pac ket siz e can be greater than 1024, and Zmodem transfers the data without bad packet errors. Note: The MT A128ST -USB is manuf actured in two b uilds. T o deter mine the b uild of y our terminal adapter (T A), issue the A TI2 command in a ter minal window .
Chapter 6 - W arranty , Service , and T echnical Support.
89 Chapter 6 - W arranty , Service and T e ch Support Introduction This chapter begins your MT A128ST -USB’ s fiv e-year warranty . If you ha ve questions or problems with y our unit carefully read the next section, T echnical Suppor t .
90 MultiModem ISDN User Guide Please direct your questions regarding technical matters, product configuration, verification that the product is def ective , etc., to our T echnical Suppor t depar tment nearest you. When calling the U .S., please direct your questions regarding repair expediting, receiving, shipping, billing, etc.
91 Chapter 6 - W arranty , Service and T e ch Support original for backup or archival purposes. Customer shall NOT copy, or translate into any language, in whole or in part, any documentation which is provided by MTS in printed form under this Agreement.
92 MultiModem ISDN User Guide T echnical Suppor t Multi-T ech provides free technical suppor t f or as long as your product remains in service. Bef ore calling T echnical Suppor t, please complete the Recording Modem Information section below . Also check y our cables to ensure the y are connected properly .
93 Chapter 6 - W arranty , Service and T e ch Support Phone: 800 826-0279 Fax: 914 267-2420 Email: info@thesupplynet.com Internet: http://www .thesupplynet.
94 MultiModem ISDN User Guide Upgrading the MT A128ST -USB with FlashWizard The MT A128ST -USB has a flash PROM, which contains firmware code for the hardw are.
Appendixes.
96 MultiV OIP 200 User Guide Appendix A: Regulatory Compliance Class B Statement FCC P art 15 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to P ar t 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
97 Appendixes Appendix B: Configuration Profiles Quick Setup Factory Profiles F or quic k setup , the MT A128ST -USB includes six Quic k Setup F actor y Profiles, each of which is configured f or a specific type of por t operation.
98 MultiV OIP 200 User Guide S0=1 An swe r aft er 1 rin g S2=43 Se t e sc ape character to + (ASCII 43) S3=13 Se t c a rriage return character to CR (ASCII 13) S4=10 Set line feed character to LF (ASC.
99 Appendixes S53=2048 Maximum X.75 buffer size is 2048 characters &S1 DSR follows DCD V 1 Select verbose messages !Z=6 Enable V .110 data protocol Profile 2 (&F2 ) — V .
100 MultiV OIP 200 User Guide S0=1 An swe r aft er 1 rin g S2=43 Se t e sc ape character to + (ASCII 43) S3=13 Se t c a rriage return character to CR (ASCII 13) S4=10 Set line feed character to LF (AS.
Glossary.
102 MultiModemISDN User Guide Symbol 2B1Q (2 bits, 1 quarternary) — A line code at layer one for the BRI U interface. Two bits of data (2B) are mapped into one of four line values (1Q, or 1quarternary).
103 Glossary BONDING Specification 1.1— The Version 1.1 BONDING specification (September 1993) incorporates changes to the 1.0 specification resulting from interworking tests among various vendors, and comments from the TIA standardization process. No changes were made to the BONDING algorithm or procedures.
104 MultiModemISDN User Guide may refer to the function performed by an entity attached to the Universal Serial Bus; for example, a data/FAX modem device. Devices may be physical, electrical, addressable, and logical. When used as a non-specific reference, a Universal Serial Bus device is either a hub or a function.
105 Glossary frequency —A characteristic of an electrical or electronic signal which describes the periodic recurrence of cycles. Frequency is inversely proportional to the wavelength or pulse width of the signal (e.g., long wavelength signals have low frequencies and short wavelength signals yield high frequencies).
106 MultiModemISDN User Guide L LAPB (Link Access Procedure Balanced)—Based on the X.25 Layer 2 specification. A full-duplex, point-to-point, bit-synchronous protocol commonly used as a data link control protocol to interface X.
107 Glossary OHCI (OpenHCI) : Open Host Controller Interface Specification for USB. All transfers on the USB are initiated by the host system’s host controller. The host controller is responsible for controlling traffic on the USB and can be appropriately programmed to transfer data to and from USB devices.
108 MultiModemISDN User Guide R R reference point —Establishes the boundary between non-ISDN compatible equipment (TE-2) and the IDN network. TAs are used to convert the communication protocol used by the non-ISDN termnials to the desired BRI or PRI protocol.
109 Glossary T T —Provides the connection between the NT1 and NT2. Can be internal to or external from the PABX. Provides the connection between the NT1 equipment and the TA or TE-1. Can provide both Primary Rate and Basic Rate services. TA —See terminal adapter .
110 MultiModemISDN User Guide Universal Serial Bus : A collection of Universal Serial Bus devices and the software and hardware that allow them to connect the capabilities provided by functions to the host. Universal Serial Bus Device : Includes hubs and functions.
Index.
112 MultiModemISDN User Guide Index A Abor t tim er ...................................................... 6 5 Answering a call .............................................. 6 1 Automatically ............................................... 8 0 Manually .
113 Index Flow control .................................................. 5 7 Hang up ................................................. 61 , 8 1 Hook control ................................................. 6 1 List Active Profile ...................
114 MultiModemISDN User Guide Installation, driver software Wi nd ow s 2 00 0 .............................................. 1 7 Windows 98 .................................................. 2 4 ISDN configuration utility , using .....................
115 Index Rings to answer option ..................................... 3 6 S S-registers ....................................................... 5 6 Sending single multiple Xoff characters ........... 5 8 Service ......................................
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Multitech MTA128ST-USB è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Multitech MTA128ST-USB - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Multitech MTA128ST-USB imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Multitech MTA128ST-USB ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Multitech MTA128ST-USB, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Multitech MTA128ST-USB.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Multitech MTA128ST-USB. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Multitech MTA128ST-USB insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
