Manuale d’uso / di manutenzione del prodotto Data/FaxModem del fabbricante Western Telematic
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WTI Part No.: 12548 Rev. F RMM Rack Mount Data/Fax Modem User's Guide.
5 Sterling · Irvine · California 92618-2517 (949) 586-9950 · Toll Free: 1-800-854-7226 Fax: (949) 583-9514 · http://www.wti.com.
1. Introduction The RMM Rack Mount Data/Fax Modem is designed for applications that require a single “Industrial Strength” modem that easily installs in equipment bays. The unit requires only 1 rack space, thus eliminating the hassle of equipment trays and power bricks required for “Plastic Box” modems.
2. Unit Description 2.1. Front Panel Indicators LED Status Meaning AA (Auto Answer) On Answer mode only: Modem is answering a call and DIP Switch 5 is UP (Enable Auto Answer), or register S0 is set to 1 (Auto Answer, 1 Ring). Off No activity, or modem is originating a call.
3. Operation The following commands can be used to display current configuration status and various help menus: View Modem Setup: ATI4 Basic Help Menu: AT$ Dial Command Help Menu: ATD$ Configuration C.
4. Installation 4.1. 48 Volt DC Power Option The 48 Volt DC input is not polarity sensitive. Therefore, you can connect either positive or negative wires from your 48 volt power source to either input and the internal circuitry will adjust for the proper polarity.
4.2. Dip Switch Settings Switch Factory Setting Function 1 Data Terminal Ready (DTR) Override l UP Normal DTR operations: Computer must provide DTR signal for modem to accept commands.
Page 6 RMM User’s Guide.
5. Command Summary · Type commands in either upper or lower case. Do not use a combination of upper and lower case characters. · Use the Backspace key to delete errors. Note that the original AT command is stored in the modem buffer, and cannot be deleted.
Command Function/Options D n Dials the specified phone number. Can also include the following command options: L Re-dials last number dialed * P Pulse (Rotary) Dial Mode R Originates call using answer (reverse) frequencies. S n Dials phone number string stored in NVRAM at position n ( n = 0-3).
Command Function/Options I n Displays the following information. I0 Four-digit product code I1 Results of ROM checksum I2 Results of RAM checksum I3 Product type I4 Current modem settings I5 Nonvolatile memory (NVRAM) settings I6 Link diagnostics I7 Product configuration M n Operates speaker.
Command Function/Options X n Sets result code displayed. Default is X4. Xn Setting Result Codes X0 X1 X2 X3 X4 0/OK ••••• 1/CONNECT ••••• 2/RING ••••• 3/NO CARRIER ••.
Command Function/Options Z n Resets modem based on current DIP Switch settings. Z0 Resets modem to NVRAM profile selected by the Y command Z1 Resets modem to NVRAM profile 0 Z2 Resets modem to NVRAM p.
Command Function/Options &F n Loads a read-only (non-programmable) factory configuration. &F0 Generic template * &F1 Hardware flow control template &F2 Software flow control template &G n Sets Guard Tone. * &G0 No guard tone (U.
Command Function/Options &N n Sets connect speed. If connection cannot be established at this speed, the modem will hang up. Sets ceiling connect speed if &U n is greater than 0 (See &U n ).
Command Function/Options &T n Begins test modes. &T0 Ends Test in Progress &T1 Analog Loopback &T2 Reserved &T3 Local Digital Loopback &T4 Enables Remote Digital Loopback * &am.
Command Function/Options &Z n=s Writes phone number s to NVRAM at position n ( n = 0-3). &Z n =L Writes last executed dial string to NVRAM at position n ( n = 0-3). &Z n ? Displays the phone number stored at position n ( n = 0-3). &ZL? Displays the last executed dial string.
6. S-Registers Note: To change a setting, use the ATS r = n command, where r is the register and n is a decimal value from 0-255 (unless otherwise indicated). Register Default Function S0 1 Sets the number of rings on which to answer in Auto Answer Mode.
Register Default Function S10 (continued) Although it is not recommended to connect to a line with call waiting, the S10 register can be adjusted upward to prevent the modem from misinterpreting the second call signal as a remote disconnect.
Register Default Function S14 0 Reserved S15 0 Bit-mapped register setup. To set the register, see instructions for S13. Bit Value Result 0 1 Disable ARQ/MNP for V.22. 1 2 Disable ARQ/MNP for .22bis. 2 4 Disable ARQ/MNP V.32 / V.32bis / V.32terbo. 3 8 Disable MNP handshake.
Register Default Function S25 5 Sets the duration (in hundredths of a second) that DTR must be dropped in order to be interpreted as a DTR loss. Allows the modem to differentiate between a random glitch and a true DTR loss. In most cases, the default value can be used.
Register Default Function S29 20 Sets the duration (in tenths of a second) of the V.21 answer mode fallback timer. S30 0 Reserved. S31 128 Reserved. S32 2 Bit mapped register setup for 28.8 modems only. To set the register, see the instructions for S13.
Register Default Function S38 0 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 before it is disconnected.
7. Specifications Compatibility: ITU-T V.34+: 33.6 Kbps ITU-T V.34: 28.8 Kbps ITU-T V.32 bis: 14.4 Kbps ITU-T V.32: 9600 bps ITU-T V.22 bis: 2400 bps Bell: 212 / V.22, 103 / V.21 Supports: V.42 / MNP 2-4 Error Control V.42 bis / MNP 5 Data Compression.
8. Customer Service Customer Service hours are from 8:00 AM to 5:00 PM, PST, Monday through Friday. When calling, please be prepared to give the name and make of the unit, its serial number and a description of its symptoms.
Trademark and Copyright Information WTI and Western Telematic are trademarks of Western Telematic, Inc. All other product names mentioned in this publication are trademarks or registered trademarks of their respective companies. Information and descriptions contained herein are the property of Western Telematic, Inc.
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 Western Telematic Data/FaxModem 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 Western Telematic Data/FaxModem - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Western Telematic Data/FaxModem imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Western Telematic Data/FaxModem ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Western Telematic Data/FaxModem, 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 Western Telematic Data/FaxModem.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Western Telematic Data/FaxModem. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Western Telematic Data/FaxModem 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.
