Chapter 1 – AT Commands, S-Registers and Result Codes

Command:

#CBAn

Callback Attempts

Values:

 

n = 1–255

Default:

 

4

Description:

 

Sets the number of callback attempts that are allowed after passwords have

 

 

been exchanged between modems.

Command:

#CBDn

Callback Delay

Values:

 

n = 0–255

Default:

 

15

Description:

 

Sets the length of time (in seconds) that the modem waits before calling back

 

 

the remote modem.

Command:

#CBF?

Callback Failed Attempts Display

Values:

 

N/A

Default:

 

N/A -

Description:

 

Requests the number of failed callback passwords since reset or power-up.

 

 

This number can be stored to nonvolatile memory using the &W command.

Command:

#CBFR

Callback Failed Attempts Reset

Values:

 

N/A

Default:

 

N/A

Description:

 

Resets the number of failed callback passwords to 0. This does not reset the

 

 

number stored in nonvolatile memory.

Command:

#CBIn

Local Callback Inactivity Timer

Values:

 

n = 1–255

Default:

 

20

Description:

 

Sets the time (in minutes) that the modem waits for a command before

 

 

forcing the user to enter the setup password again.

Command:

#CBNy=x

Store Callback Password

Values:

 

y = 0–29

 

 

x = password

Defaults:

 

None

Description:

 

Sets the callback security password for the y memory location. The password

 

 

must have 6 to 10 characters, and cannot include the + or - characters.

Command:

#CBPn

Callback Parity

Values:

 

n = 0, 1, or 2

Default:

 

0

Description:

 

Sets parity for the callback security messages.

 

 

#CBP0 No parity.

 

 

#CBP1 Odd parity.

 

 

#CBP2 Even parity.

Command:

#CBRy

Callback Security Reset

Values:

 

y = 0–29

Default:

 

None

Description:

 

Clears the password and phone number in the y memory location.

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

26

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Multi-Tech Systems MT5634SMI V.92, MT5634SMI V.34 manual #Cbf?

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.

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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.

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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.