Multi-Tech Systems MT5634SMI V.92, MT5634SMI V.34 instruction

				Chapter 2 – Fax Class 1 and 1.0 Commands


DTE Commands		Modem Responses	Local Modem Action		Remote Station Action	Notes
AT+FRH=3	NO CARRIER		detect loss-of-carrier	drop carrier
AT+FRH=3		CONNECT	send V.21 carrier		detect carrier
<DNC frame>		CONNECT	send flags		detect carrier
			send DNC frame		detect flags
<DLE><ETX>		OK	send FCS		receive DCNC
		OK	drop carrier			final frame
ATH0		OK	hang up		hang up

Table 2-5. Fax Class 1 Answering Sequence (Receiving a Single Page)

DTE Commands		Modem Responses	Local Modem Action	Remote Station Action	Notes
AT+FCLASS=1		OK	Set Class 1

		RING<-	detect ringing	dials [,send CNG]

ATA			off-hook,		AT+FRH=3
			send CED,	get CED,	implied by answering
		CONNECT	send V.21 carrier	detect carrier	with +FCLASS=1.0.
		CONNECT	send flags	detect flags	not final frame
<CSI frame data>		CONNECT	send CSI frame	receive CSI
<DLE><ETX>		CONNECT	send FCS	get FCS
			send flags	get flags
<DIS frame data>		OK	send DIS data	get DIS
<DLE><ETX>		OK	send FCS and flags	get flags	final frame
			drop carrier

AT+FRH=3		CONNECT	detect carrier	send V.21 carrier
		CONNECT	detect flags	send flags
		<TSI frame data>	receive TSI	send TSI frame
		<DLE><ETX>	receive FCS	send FCS
		OK	accept FCS
					frame OK
AT+FRH=3		CONNECT	receive DCS	send DCS frame
		CONNECT	receive DCS	send DCS frame	final frame bit set
		<DCS frame data>	receive FCS	send FCS	final frame bit set
		<DCS frame data>	receive FCS	send FCS
		<DLE><ETX>	accept FCS		frame OK
		OK			frame OK
		OK
AT+FRH=3	NO CARRIER		detect loss-of-carrier	drop carrier	DTE did not check final
					frame bit and issued
					+FRH=3
AT+FTM=96		CONNECT	detect carrier	wait 75 ms
		CONNECT	detect carrier	send V.29 carrier
		<TCF data>	receive TCF	send TCF data
		<DLE><ETX>	detect loss-of-carrier	drop carrier
		OK
AT+FRH=3		CONNECT	send V.21 carrier	detect carrier
		CONNECT	send flags	detect flags
			get CRF frame	receive CFR
			send FCS
<CFR frame data>			drop carrier
<DLE><ETX>		OK			final frame
		OK			final frame
AT+FTM=96		CONNECT	detect carrier	send V.29 carrier
		CONNECT	detect carrier	send V.29 carrier
		<page image data>	receive page	send page data
		<DLE><ETX>	detect loss-of-carrier	drop carrier
		NO CARRIER

		CONNECT	detect carrier	wait 75 ms
		CONNECT	detect carrier	send V.21 carrier
		<EOP frame data>	detect flags	send flags
		<DLE><ETX>	receive EOP	send EOP frame
		NO CARRIER	receive FCS	send FCS
			accept FCS		frame OK

Multi-Tech Systems, Inc. SocketModem MT5634SMIxx Reference Guide (S000263C)

MT5634SMI V.34, MT5634SMI V.92 specifications

The Multi-Tech Systems MT5634SMI is a versatile and robust external modem designed to cater to a variety of communication needs. As a V.92/V.34 standard modem, it provides reliable and efficient data connections for both home and business users. Its unique blend of features and technologies makes it an excellent choice for users looking to achieve optimal performance in their data transmission.

One of the standout features of the MT5634SMI is its support for the V.92 standard, which offers faster throughput and enhanced performance compared to prior standards. With V.92, users can experience download speeds of up to 56 Kbps and upload speeds reaching 48 Kbps. This improved speed is particularly beneficial for users who frequently download large files or engage in data-intensive activities.

The modem also includes the V.34 technology, which further enhances its capabilities by improving connection reliability and data integrity over various line conditions. Utilizing advanced error correction and data compression techniques, the V.34 modem ensures a smoother and faster communication experience. This makes it ideal for users in areas with fluctuating line quality or those who require stable connections for online conferencing or telecommuting.

In terms of form factor, the MT5634SMI is an external modem, which allows for easy installation and portability. Its compact design ensures it can fit into any workspace without taking up much room or adding clutter. The modem connects to computers via standard serial ports, making it compatible with a wide range of devices, both modern and legacy.

Additional features of the MT5634SMI include built-in diagnostics to assist troubleshooting and ensure smooth operation. It supports multiple operating environments, catering to users operating on various systems, providing versatility for both home and office settings. The modem's compatibility with popular operating systems guarantees that users can easily integrate it into their existing setups without a hassle.

In conclusion, the Multi-Tech Systems MT5634SMI V.92/V.34 modem stands out as a reliable choice for anyone needing high-speed internet connectivity. With its strong feature set, enhanced technologies, and user-friendly design, it is an asset for enhancing communication and data transfer capabilities. Whether for personal use or business applications, the MT5634SMI delivers performance and reliability, making it a valuable addition to any technology arsenal.

Multi-Tech Systems MT5634SMI V.92 manual Fax Class 1 Answering Sequence Receiving a Single

Models: MT5634SMI V.34 MT5634SMI V.92

Local Modem Action

AT+FRH=3

Table 2-5. Fax Class 1 Answering Sequence (Receiving a Single Page)

Local Modem Action

AT+FRH=3

AT+FRH=3

AT+FRH=3

MT5634SMI V.34, MT5634SMI V.92 specifications