Page 3 - Federal Communications Commission Statement
CommPlete Communications Server iii Federal Communications Commission Statement This equipment has been tested and found to comply with the limits for a Class A digital device, pursuantto Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmfulinterference...
Page 4 - FCC Fax Warning; Canadian Limitations Notice
iv CommPlete Communications Server FCC Fax Warning The Telephone Consumer Protection Act of 1991 makes it unlawful for any person to use a computer orother electronic device to send any message via a telephone fax machine unless such message clearlycontains in a margin at the top or bottom of each p...
Page 5 - Table of Contents; Introduction
CommPlete Communications Server v Table of Contents 1 Introduction Introduction ...................................................................................................................................................... 2LED Indicators.........................................................
Page 8 - Introduction; Power Supplies; Chapter 1 Introduction
MT3334HD8 User Guide 2 CommPlete Communications Server Introduction The Multi-Tech MT3334HD8 is a high speed, high density modem card for the CommPleteCommunications Server. Each MT3334HD8 card contains eight integrated 33,600 bps modems. Eachmodem on the MT3334HD8 card can be configured independent...
Page 10 - Technical Specifications
MT3334HD8 User Guide 4 CommPlete Communications Server Technical Specifications Model Number MT3334HD8 Data Rates (Modem) Eight independent modems (Modem A, B, C, D, E, F, G, H), each operating at33,600, 31,200, 28,800, 26,400, 24,000, 21,600, 19,200, 16,800, 14,400, 12,000,9600, 4800, 2400, 1200, o...
Page 13 - Installation
Page 14 - Safety Warnings
MT3334HD8 User Guide 8 CommPlete Communications Server Introduction This chapter describes how to install the MT3334HD8 modem card into a CommPlete CommunicationServer CC9600 chassis. This equipment should be installed only by a qualified service person. The MT3334HD8 assembly consists of a high-den...
Page 15 - Pre-Installation Notes
2 Installation CommPlete Communications Server 9 Pre-Installation Notes Warning: Interconnection directly, or by way of other apparatus, of ports marked “SAFETY WARNING see instructions for use” with ports marked or not so marked may produce hazardous conditions on thenetwork. Advice should be obtai...
Page 17 - AT Commands
Page 18 - Working with AT Commands; Modes of Operation; Command Structure
MT3334HD8 User Guide 12 CommPlete Communications Server Working with AT Commands The MT3334HD8’s modems are controlled by instructions called AT commands , so called because the attention characters AT precede each command or command string (sequence of commands). You can send commands to the modem ...
Page 19 - Command Editing
3 AT Commands CommPlete Communications Server 13 A parameter after a command (0, 1, 2, etc.) tells the modem which option to use. If you do not specify aparameter, the modem assumes the 0 (zero) option. E , for example, is the same as E0 . You can issue several commands on a single line (a command s...
Page 22 - Dialing Commands; Ds; Continuous Redial; Hn; Dial Modifier Commands
MT3334HD8 User Guide 16 CommPlete Communications Server Dialing Commands Dialing commands are used to dial and to hang up. Ds Dial s = phone number Default: none The letter D in a command causes the modem to dial the telephone number immediately following it. For example, if you type ATD5551212<C...
Page 23 - Pulse or Tone Dialing; Wait for New Dial Tone; or
3 AT Commands CommPlete Communications Server 17 pauses in the dial sequence, automatic redials if a number is busy, and reverting to command mode orswitching to answer mode after dialing. P, T Pulse or Tone Dialing Default: P The MT3334HD8’s modems can dial numbers by using pulse dialing, tone dial...
Page 25 - Quiet Answer; Call Card Tone Detect; Phone Number Memory Commands; DsNd Store a Phone Number; Nd
3 AT Commands CommPlete Communications Server 19 @ Quiet Answer Use the @ command to access a system that does not provide a dial tone. The @ command causes the modem to wait before processing the next character in the dialing string. The wait is for one or more ringsback followed by five seconds of...
Page 26 - NdNe Number Linking; List Stored Telephone Numbers; Configuration Storage and Recall Commands; &Wn Store Configuration
MT3334HD8 User Guide 20 CommPlete Communications Server You can automatically dial a telephone number that is stored in the modem’s number memory by typing ATN n , where n = 0 or 1. For example, you can dial a number stored at N0 by typing ATN0 in terminal mode and pressing E NTER . Warning: Do not ...
Page 27 - Load Default Configuration; Reset Modem
3 AT Commands CommPlete Communications Server 21 &Fn Load Default Configuration n = 0, 8, or 9 Default: &F8 MT3334HD8 modems store factory default AT command settings and S-register values in read-onlymemory (ROM); they store your custom AT command and S-register values in nonvolatile random...
Page 28 - Echo Command Mode Characters; Qn
MT3334HD8 User Guide 22 CommPlete Communications Server En Echo Command Mode Characters n = 0 or 1 Default: E1 Normally, when you type commands on the keyboard, the modem echoes the characters back to thecomputer or terminal, which displays them on the monitor. Use the E command to turn this feature...
Page 29 - Vn
3 AT Commands CommPlete Communications Server 23 &Qn Result Codes (Multi-Tech or Standard AT) n = 0 or 1 Default: &Q0 The MT3334HD8 gives you a choice between Multi-Tech result codes and standard AT command setresponses. Multi-Tech result codes give you more information, but some datacomm pr...
Page 30 - Answerback; Online Connection Commands; Auto Speed Detection
MT3334HD8 User Guide 24 CommPlete Communications Server &An Answerback n = 0 or 1 Default: &A0 The &A command controls the MT3334HD8’s answerback feature. Answerbacks are used in some online realty applications and elsewhere as a security measure. The &A command enables a modem to re...
Page 31 - AT Command Control; Cleardown at Disconnect
3 AT Commands CommPlete Communications Server 25 %DC n AT Command Control n = 0 or 1 Default: %DC0 The %DC command allows you to disable the modem’s ability to respond to AT commands. It can be used with auto answer applications in which no call origination is required, with some UNIX applications, ...
Page 33 - Square Wave Ring Detect
3 AT Commands CommPlete Communications Server 27 &P1 sets a pulse dial ratio of 67 ms break to 33 ms make. &RD n Square Wave Ring Detect n = 0 or 1 Default: &RD0 (U.K. and International models) &RD1 (North American models) The ring back sound that you hear when you dial a number is g...
Page 35 - RS-232 Interface Commands; Carrier Detect Control
3 AT Commands CommPlete Communications Server 29 RS-232 Interface Commands These commands define how an MT3334HD8 modem will use and respond to standard RS-232 signals. &C n Carrier Detect Control n = 0, 1, 2, or 4 Default: &C1 The &C command lets you control the Carrier Detect (CD) sign...
Page 37 - Error Correction and Data Compression Commands; Error Correction Modes
3 AT Commands CommPlete Communications Server 31 Error Correction and Data Compression Commands You can configure a modem to any of three different V.42 modes of operation (each mode can be with orwithout compression). They are the non-error correction, auto-reliable, and reliable modes. You can als...
Page 38 - Auto-Reliable Buffering; Auto-Reliable Fallback Character Enable/Disable
MT3334HD8 User Guide 32 CommPlete Communications Server $E n V.42 Error Correction at 300 bps n = 0 or 1 Default: $E0 At 300 bps, error correction is not normally used. $E0 disables 300 bps/V.42 error correction altogether. $E1 enables the modem to function at 300 bps in non-error correction ( &...
Page 39 - Retransmit; Speed Conversion Commands; Baud Adjust
3 AT Commands CommPlete Communications Server 33 $R n Retransmit Count n = 0 or 1 Default: $R0 If errors are received during a reliable connection, the modem re-sends the block of data that contained anerror. If another error occurs, it re-sends the block again. The modem counts the number of times ...
Page 41 - Immediate Action Commands; Repeat Last Command; Inquire Product Code; L5, L7 List Current Operating Parameters
3 AT Commands CommPlete Communications Server 35 $SB300 300 bps $SB1200 1200 bps $SB2400 2400 bps $SB4800 4800 bps $SB9600 9600 bps $SB19200 19,200 bps $SB38400 38,400 bps $SB57600 57,600 bps $SB115200 115,200 bps (factory default) Immediate Action Commands Use these commands to get information abou...
Page 42 - List Online Diagnostics; &RN Rate Renegotiation; Flow Control Commands; Maximum Reliable Block Size
MT3334HD8 User Guide 36 CommPlete Communications Server L8 List Online Diagnostics Default: none The L8 command displays the modem’s online status. You can print this display and use it as a modem status report or as diagnostic information (such as when calling Technical Support). If you type +++ATL...
Page 43 - Flow Control Disable; Hardware Flow Control; XON/XOFF Flow Control; Hewlett Packard ENQ/ACK Pacing; Non-Error Correction Mode Flow Control
3 AT Commands CommPlete Communications Server 37 $EB0 enables a 10-bit format It automatically detects parity when an AT command is issued. $EB1 enables an 11-bit format. &E3 Flow Control Disable The &E3 command completely disables data flow control initiated by the modem. &E4 Hardware F...
Page 44 - Number of XOFF Characters Sent
MT3334HD8 User Guide 38 CommPlete Communications Server When two modems are connected in non-error correction mode, XON/XOFF flow control can be used as acomplement to XON/ XOFF pacing. &E10 disables non-error correction mode flow control. &E11 enables non-error correction mode flow control....
Page 45 - Escape Sequences; Escape Sequence Options
3 AT Commands CommPlete Communications Server 39 Escape Sequences Escape sequences are also known as escape codes. They are used to cause the modem to enter commandmode from online mode without disconnecting the call. There are two local escape sequences used by themodem, +++AT<CR> and <BRE...
Page 46 - Go Back Online; Remote Configuration Commands; Change Login Password
MT3334HD8 User Guide 40 CommPlete Communications Server O Go Back Online You can use the O command to bring the modem out of command mode and back into online mode. The O command reverses the result of entering the escape code. The O command brings the modem into whichever online mode (originate or ...
Page 47 - Change Setup Password; Line Probe Commands; Read Line Probe Data
3 AT Commands CommPlete Communications Server 41 #S yyyyyy Change Setup Password yyyyyy = password Default: #SMODEMSETUP Use the #S command to enter or change the remote configuration setup password. Before you can use it, you must enter the login password using the #I command. AT#S yyyyyy enters th...
Page 48 - Diagnostic Commands; Respond to Remote Digital Loopback Signal
MT3334HD8 User Guide 42 CommPlete Communications Server &RP Immediate Line Probe Default: none This immediate action command initiates a retrain that makes the processor read line probe informationfor display using the L9 , L10 , and L11 commands. It is valid only when online in V.34 mode. Befor...
Page 49 - Loopback Test Modes
3 AT Commands CommPlete Communications Server 43 U n Loopback Test Modes n = 0–3 Default: None Loopback tests send data through the modem in such a way that it loops back to the terminal where it wasentered, testing all the circuits along the way. The U command selects from several loopback tests. S...
Page 52 - Number of Rings Until Modem Answers; S3 Return
MT3334HD8 User Guide 46 CommPlete Communications Server Introduction This chapter describes the MT3334HD8’s S-registers , which are small regions of memory where modem configuration information is stored. Whereas AT commands tell a modem what to do, S-registers tell the modem how or when to do it. E...
Page 53 - Line Feed Character; Wait Time for Dial Tone; Pause Time for Comma
4 S-Registers CommPlete Communications Server 47 S3 defines the carriage return character by its decimal ASCII code. The default setting is the ^M character (decimal 13), which is the code for the E NTER key on most keyboards. S3 may be set for any ASCII character. Note : If you change the S3 value,...
Page 54 - Carrier Detect Response Time; Changing Break Time
MT3334HD8 User Guide 48 CommPlete Communications Server S8 determines the length of the pause caused by a comma in a dialing command. The default setting is two seconds for the North American model, and four seconds for the International and U.K. models. S8 may be set for up to 255 seconds. S8 also ...
Page 55 - Command Buffer Length After Online Escape Sequence
4 S-Registers CommPlete Communications Server 49 S24 PBX/CBX Disconnect Drop Time for DSR/CTS/CD Unit: 50 msRange: 0–255Default: 20 (1 second) Some PBX and CBX phone systems require the modem’s DSR, CTS, and/or CD signals to drop briefly whencalls are disconnected. The MT3334HD8’s &R , &S , ...
Page 57 - Reading and Assigning S-Register Values; Examples of Assigning Values; Examples of Reading Values; AT Commands that Affect S-Registers
4 S-Registers CommPlete Communications Server 51 Reading and Assigning S-Register Values Use the S command to assign a value to an S-register and to read an S-register’s current value. To read an S-register value, in terminal mode, type S, the S-register number, and a question mark ( ? ), and press ...
Page 60 - Test procedure
MT3334HD8 User Guide 54 CommPlete Communications Server Introduction Each time you power up the MT3334HD8, it performs an automatic self-test to ensure proper operation.The MT3334HD8 also has three diagnostic tests: local analog loopback, digital loopback(remote/automatic), and digital loopback (loc...
Page 65 - Technical Support
CommPlete Communications Server 59 6 Warranty, Service, and Technical Support
Page 66 - Limited Warranty
MT3334HD8 User Guide 60 CommPlete Communications Server Limited Warranty Multi-Tech Systems, Inc. (“MTS”) warrants that this product will be free from defects in material orworkmanship for a period of two years from the date of purchase, or, if proof of purchase is not provided,two years from date o...
Page 67 - Recording Product Information
6 Warranty, Service, and Technical Support CommPlete Communications Server 61 Technical Support Multi-Tech has an excellent staff of technical support personnel available to help you get the most out ofyour Multi-Tech product. If you have any questions about the operation of this unit, please call (...
Page 68 - If you know the file name
MT3334HD8 User Guide 62 CommPlete Communications Server The Multi-Tech BBS Multi-Tech maintains a bulletin board system (BBS) for its customers. Information available from the BBSincludes new product information, product upgrade data, and problem-solving tips. There is also a -message service that l...
Page 69 - Reading a Message; Leaving a Message; Bulletins; About CompuServe
6 Warranty, Service, and Technical Support CommPlete Communications Server 63 6. Select a file transfer protocol by typing the indicated letter, such as Z for Zmodem (the recommended protocol). 7. If you select Zmodem, the file will transfer automatically. If you select another protocol, you mayhave...
Page 70 - About the Internet
MT3334HD8 User Guide 64 CommPlete Communications Server About the Internet Multi-Tech is a commercial provider on the Internet, and we retrieve e-mail messages from the followingmailboxes on a periodic basis: [email protected] Technical Support [email protected] Marketing Dept. mtssales@mul...
Page 71 - Using FlashPro to Upgrade Firmware
6 Warranty, Service, and Technical Support CommPlete Communications Server 65 Upgrading the MT3334HD8 Firmware The MT3334HD8’s firmware is contained in a flash PROM. At various times, Multi-Tech may addenhancements and/or fixes to this firmware. The flash technology used in the MT3334HD8 allows thes...
Page 73 - Appendixes
Page 74 - Appendix A ASCII Conversion Chart
MT3334HD8 User Guide 68 CommPlete Communications Server Appendix A ASCII Conversion Chart CTRL CODE HEX DEC CODE HEX DEC CODE HEX DEC CODE HEX DEC @ NUL 00 0 SP 20 32 @ 40 64 ` 60 96 A SOH 01 1 ! 21 33 A 41 65 a 61 97 B STX 02 2 " 22 34 B 42 66 b 62 98 C ETX 03 3 # 23 35 C 43 67 c 63 99 D EOT 04...
Page 75 - Appendix B Dial Pulses and Tones; Dial Pulses; Tone Dial Frequencies
B Dial Pulses and Tones CommPlete Communications Server 69 Appendix B Dial Pulses and Tones Dial Pulses When you pulse dial, as when you make a call with a rotary dial telephone, your telephone or modemgenerates codes in the form of pulses that simulate the opening and closing of old-fashioned elect...
Page 77 - Appendix C Result Code Summary
C Result Code Summary CommPlete Communications Server 71 Appendix C Result Code Summary Multi-Tech Result Codes (&Q0) Terse Verbose Definition 0 OK Command was executed without error; ready for nextcommand. 1 CONNECT Modem has detected carrier and gone online. 2 RING Modem has detected ring caus...
Page 79 - Appendix D S-Register Summary
D S-Register Summary CommPlete Communications Server 73 Appendix D S-Register Summary Register Unit Range Default Description S0 1 ring 0, 1–255 1 Sets the number of rings until the modemanswers. ATS0=0 disables auto answer completely. S1 1 ring 0–255 0 Counts the rings that have occurred. S2 decima...
Page 81 - Appendix E AT Command Summary
E AT Command Summary CommPlete Communications Server 75 Appendix E AT Command Summary Command Values Description AT n/a Attention Code The attention code precedes all command linesexcept A/ , A: and escape codes. RETURN n/a RETURN Key Press the RETURN (ENTER) key to execute mostcommands. A n/a Force...
Page 91 - Appendix F Remote Configuration; Setup
F Remote Configuration CommPlete Communications Server 85 Appendix F Remote Configuration Introduction Remote configuration, a feature of Multi-Tech’s MT3334HD8 modems, is a network management tool thatallows you to configure modems anywhere in your network from one location. With password-protected...
Page 92 - Changing the Passwords; Changing the Remote Escape Character
MT3334HD8 User Guide 86 CommPlete Communications Server Changing the Passwords 1. Establish a remote configuration link with the remote modem as described above. 2. Type AT#IMULTI-TECH (or AT#I xxxxxx if you have replaced the MULTI-TECH password with xxxxxx ) and press E NTER . The modem responds wi...
Page 93 - Index
