Multi-Tech Systems MT2834BLR, MT2834BR manual Flow Control

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	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-wire
	leased lines; automatic or manual dialing,
	automatic or manual answer
Intelligent Features	Fully “AT command” compatible, micro-
	processor controlled remote configuration, EIA
	extended Automode, adaptive line probing,
	automatic symbol rate and carrier frequency
	during start-up, retrain and rate renegotiation,
	autodial, redial, repeat dial, dial linking, pulse or
	tone dial, dial pauses, call status display, auto-
	parity and data rate selection, keyboard-
	controlled modem options, non-volatile memory
	and on-screen displays for modem option
	parameters and up to ten telephone numbers/
	command lines of up to 60 digits each, help
	menus
Command Buffer	60 characters
Modulation	Trellis Coded Modulation (TCM) at 33600,
	31200, 28800, 26400, 24000, 21600, 19200,
	16800, 14400, 12000 and 9600 bps, Quadrature
	Amplitude Modulation (QAM) at 9600 (non-
	trellis), 4800 and 2400 bps, PSK at 1200 bps,
	FSK at 300 bps
Fax Modulations	V.21CH2 FSK at 300 bps
	V.27ter DPSK at 4800 and 2400 bps
	V.29 QAM at 9600 and 7200 bps
	V.17 TCM at 14400, 12000, 9600, and 7200 bps
Fax Carrier	V.21CH2 (Half Duplex)

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Contents User Guide Revision Date Description Contents AT Commands and S-Register Summary Introduction Features IntroductionHow to Use This Manual Installation Preliminaries Card CageSerial Cable Telephone LineInstallation PC Board Controls DIP-Switch Settings Switch Function Position EffectAnswer/Originate Originate call Async/Sync/Leased Line OOS Busy Out Toggle Switch Dip Switch Settings #13 Position EffectOut of Service/Test Jumper 2 MI/MIC Option JumperDial-Up and Leased Lines Modem LED Indicators On-Line Diagnostics Installation Serial Port Limitations How Can You Identify Your Uart Type? MSD Uart Identification, Screen Configuring Your Software Configuring Software for Your ModemPC Initialization Strings AT &F X4 S0=0 MMEW Modem Initialization Setup Changing Default Parameters Macintosh InitializationConfiguring Software for Your Computer MEW Configuration Parameters ScreenConfiguring Software for the Remote System Terminal EmulationWhen to Disable Data Compression File Transfer ProtocolsDisabling Error Correction AT &F S0=0 X4 &E14 MModem Commands Modem AT Commands Commands = 0, 1, 2 or DP0 #F2 Command Values Default = speed Q0 selects Result Codes displayed Reads value of S-Register r and displays value = 4 or Tone Callback Security Commands Command Break Atcr Values Default DescriptionCallback password with xxxxxx being callback password Remote Configuration Remote Configuration Procedures4 V.25bis Commands Password CommandsCSPs Registers Escape Code CharacterLine Feed Character S10 Carrier Loss Disconnect Delay Time S25 DTR Dropout Time Result Codes S36 Time Between DTR Inactive and Modem Off-HookTerse Verbose No Dial Tone Busy No Answer AT Commands and S-Register Summary Modem Testing Local Analog Loopback Test/V.54 Loop UuuuDigital Loopback Test/V.54 Loop 2 Local/Manual Digital Loopback Test local / manual Digital Loopback Test/V.54 Loop 2 Remote/Automatic Digital Loopback Test remote / automaticLocal Analog Loopback Test Synchronous Mode Local Analog Loopback Test Syncronous ModeDigital Loopback Test Local/Manual Synchronous Mode Digital Loopback Test Local / manual SyncronousDigital Loopback Test Remote/Automatic Synchronous Mode Digital Loopack Test remote / automatic SyncronousWarranty and Service Limited Warranty Recording Modem Information ServiceTech Support Using FlashPro to Upgrade Modem Firmware Upgrading the MT2834BRSafety Warnings Internet Babt Requirements Compliance with Babt Requirements European Low Voltage Directive Compliance with BS6789 .1 and Part Compliance with BS6328 Part Appendices Appendix a Appendix a Canadian Limitations Notice Appendix B Technical Specifications Data Rates modemFlow Control 2400 & 1200 bps Frequency Stability Index Index Index Index MNP SCC XON/XOFF S000316