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Western Telematic Data/FaxModem - page 1
WTI Part No.: 12548 Rev. F RMM Rack Mount Data/Fax Modem User's Guide ...
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5 Sterling · Irvine · California 92618-2517 (949) 586-9950 · Toll Free: 1-800-854-7226 Fax: (949) 583-9514 · http://www.wti.com ...
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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. The heart of the RMM is the popular a ...
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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. Flash Incoming call. CD (Carrier Detect) On A valid data carrier signal has ...
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Western Telematic Data/FaxModem - page 5
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 Command Help Menu: AT&$ List of S-Registers: ATS$ Reset Modem to Default Profile 0: ATZ3 When the View Modem Setup command ( ATI4 ) is invoked, the ...
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Western Telematic Data/FaxModem - page 6
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. Input Range: 40 - 60 Volts DC, 200 milliamps maximum. Page 4 RMM User’s Guide Figur ...
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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. Dropping DTR terminates call. DOWN DTR Override: Modem ignores DTR 2 Verbal/Numeric Result Codes l UP Verbal (Word) Results DOWN Numeric Results 3 Result Code Displa ...
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Page 6 RMM User’s Guide ...
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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. · Some commands have numeric options. If these commands are invoked without a numeric opti ...
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Western Telematic Data/FaxModem - page 10
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). Phone numbers are stored with the &Z n =s command. ...
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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. M0 Speaker always OFF * M1 Speaker ON until CONNECT M2 S ...
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Western Telematic Data/FaxModem - page 12
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 ••••• 4/ERROR ••••• 5/CONNECT 1200 •••• 6/NO DIAL TONE •• 7/BUSY •• 8/NO ANSWER* •• 10/CONNECT 2400 •••• 13/ ...
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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 profile 1 Z3 Resets modem to factory default profile 0 (&F0) Z4 Resets modem to factory default profile 1 (&F1) Z5 Resets modem to factory defa ...
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Western Telematic Data/FaxModem - page 14
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.S. and Canada) &G1 550 Hz guard tone (some European countries), requires B0 setting. &G2 1 ...
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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 ). * &N0 Variable rate &N1 300 bps &N2 1200 bps &N3 2400 bps &N4 4800 bps &N5 7200 bps &N6 9600 bps &N7 12,000 bps &am ...
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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 * &T5 Prohibits Remote Digital Loopback &T6 Initiates Remote Digital Loopback &T7 Remote Digital with self test and error detector &T8 Anal ...
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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. +++ Escapes to online-command mode. Page 15 ...
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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. When set to 0, Auto Answer is disabled. See DIP Switch 5 (Section 4.2). S1 0 Counts and stores ...
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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. If call waiting is a problem, it is preferable to contact your phone company to determine the command to tem ...
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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. 4 16 Disable MNP level 4. 5 32 Disable MNP level 3. 6 64 MNP incompatibilit ...
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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. The S25 register is useful for setting compatibility with older systems running ...
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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. Bit Value Result 0 1 V.8 Call Indicate enabled. 1 2 Enables V.8 mode. 3 8 Disable V.34 modulatio ...
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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. When set at the default (0), the modem immediately hangs up when DTR drops. T ...
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Western Telematic Data/FaxModem - page 24
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. Command Set: Industry Standard “AT” Commands Status/Help: Status display shows current settin ...
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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. If the unit should need to be returned for factory repair it must be accompanied by a Return Authorization number from Custom ...
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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. Such information and descriptio ...
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