Multi-Tech Systems MT2834BLR - Manuals

· Automatic disabling of compression when transferring already- compressed files. · Serial port data rates adjustable to 115.2K bps. · Autodial, redial, pulse (rotary) and touch-tone dial. · Dial tone and busy signal detection for reliable call-progress detection. · Compatibility with the standard A...

12 Chapter 2 - Installation The sixteen DIP-Switches and two berg jumpers control various modemoptions or set default values for the MT2834 Command mode. There is adifference in how several of the switches operate depending on whetheryou are in synchronous or asynchronous mode (DIP-Switch #12). Most...

14 Chapter 2 - Installation Dip Switch Settings #13 - 16 Note: A modem baud rate command (e.g., $MB33600) overrides the setting of the speed selection switches (#13 and #14). Switch Position Effect 13/14 UP/UP* 28.8 K bps Operation (Default) 13/14 DOWN/UP 19.2 K bps Operation 13/14 UP/DOWN 14.4 K bp...

21 Chapter 3 - Configuration compromised by other serial communications, including printertransmissions and Appletalk, the networking software that allowsMacintoshes to share files. When Appletalk is active it controls all serialcommunications on the Macintosh. Because it gives priority to networkco...

25 Chapter 3 - Configuration Figure 3-2. The MEW Modem Initialization Setup * Note that the above and following set up screens are examples found in MultiExpress for Windows (MEW), and that other 3rd party data communicationsoftware is similar but different.

27 Chapter 3 - Configuration 3.6 Configuring Software for Your Computer Configure the communications software to match the computer’sconfiguration. If the MT2834 is connected to the COM2 serial port, select"COM2" under the Device drop-down menu. Select the appropriate serial port baud rate. ...

28 Chapter 3 - Configuration 3.6.1 Configuring Software for the Remote System You must meet the requirements of the remote system for successfulcommunications. Though the MT2834 can automatically synchronize withthe speed of the other modem, you must specify parameters such as typeof flow control, b...

29 Chapter 3 - Configuration 3.6.3 File Transfer Protocols When you upload or download files with your modem, the host computerwill ask which file transfer protocol you want to use. Most communicationsprograms allow you to choose a default protocol. Your software’sdocumentation should list the ones ...

32 Chapter 4 - Commands 4.1 Modem AT Commands AT commands are the means by which you, and your communicationssoftware, are able to communicate with and configure your modem. Theyenable you to establish, read, and modify parameters in addition to dialing.The following provides a summary and brief exp...

43 Chapter 4 - Commands DEFAULT: n/a DESCRIPTION: Causes modem to wait for ringback, then 5 seconds ofsilence before processing next part of command. COMMAND: +++AT<CR> VALUES: n/a DEFAULT: n/a DESCRIPTION: In-band Escape Sequence. Places modem in Commandmode while still remaining On-Line. Ent...

46 Chapter 4 - Commands You can now use any AT commands of the modem being remotelyconfigured as if they were being entered locally. You cannot change theSet-up of the LOGIN Password until you enter the proper LOGINPassword. 4. When you are done entering AT commands and you want to exit, type AT0 an...

52 Chapter 4 - Commands S36Time Between DTR Inactive and Modem Off-Hook Unit: 1 Second Range: 0-255 seconds Default: 0 Description: Sets the time between DTR inactive (low) and the modemgoing off-hook. The DTR Busy-out feature is disabled withS36=0. S37Time Between DTR Active and Modem On-Hook Unit:...

55 Chapter 4 - Commands 4.3.1 AT Commands and S-Register Summary The vast majority of installations are similar, with the MT2834 being usedto dial up a remote installation where the call is automatically answered.Your MT2834 has a default configuration to dial another 33,600 bpsmodem that support er...

57 Chapter 5 - Testing the Modem 5.1 Local Analog Loopback Test/V.54 Loop 3 In this test, data from your computer or terminal is sent to your modem'stransmitter, converted into analog form, looped back to the receiver,converted into digital form and then received back at your monitor forverification...

67 Chapter 6 - Warranty and Service • check or purchase order number for payment if the modem is out of warranty. (Check with your technical support specialist for currentcharges.) • if possible, note the name of the technical support specialist with whom you spoke. If you need to inquire about the ...

74 Chapter 7 - BABT Requirements 7.1.4 Compliance with BS6328 Part 1 a. The modem is not suitable for use on circuits with British Telecommunications signaling at a normal frequency of 2280 Hz. b. The modem does not require signaling or otherwise employ the frequency range dc to 200 Hz. c. The modem...

77 Appendix A 5. The telephone company may make changes in its facilities, equipment, operations, or procedures that could affect the operation of theequipment. If this happens, the telephone company will provideadvance notice in order for you to make necessary modifications inorder to maintain unin...

80 Appendix B Flow Control Xon/Xoff, Hardware RTS/CTS, ENQ/ACK, Options Unix-to-Unix Copy Protocol (UUCP) "Spoofing" Mode of Operation Full duplex over both dial-up lines and 2-wireleased lines; automatic or manual dialing,automatic or manual answer Intelligent Features Fully “AT command” co...

84 Index Index Symbols &E0 1-32 &E1 1-32 &E14 1-31, 1-32 1.1 Technical Specifica- tions 1-81 A Abort Timer S7 1-51 AGC Dynamic Range 1-84 ASCII code 1-26 AT 1-25 AT command set 1-41 AT Commands and S-Register Summary 1-57 AT&T's "call card" tones 1-34 Auto-answer 1-26, 1-28 B...