Chapter 2 – AT Commands

Command:

-Kn

MNP Extended Services

 

Values:

 

n = 0, 1, or 2

 

Default:

 

0

 

 

Description:

 

Enables or disables conversion of a V.42 LAPM connection to an MNP 10 connection.

 

 

 

-K0

Disables V.42 LAPM to MNP 10 conversion.

 

 

 

-K1

Enables V.42 LAPM to MNP 10 conversion.

 

 

 

-K2

Enables V.42 LAPM to MNP 10 conversion; inhibits MNP Extended Services

 

 

 

 

initiation during V.42 LAPM answer mode detection phase.

 

Command:

**

Flash Memory Download

 

Values:

 

n = 0, 1, or 2

 

Description:

 

**0

Initiates download to flash memory at the last sensed speed.

 

 

 

**1

Initiates download to flash memory at 38.4K bps.

 

 

 

**2

Initiates download to flash memory at 57.6K bps.

 

Command:

*B

View Numbers in Blacklist

 

Values:

 

n/a

 

 

Description:

 

If blacklisting is in effect, AT*B displays a list of numbers for which the last call attempted

 

 

in the previous two hours failed. Permanently forbidden numbers as defined by country

 

 

 

requirements do not appear in this list. If no numbers are blacklisted, only the OK result

 

 

 

code is displayed.

 

Command:

*D

View Delayed Numbers

 

Values:

 

n/a

 

 

Description:

 

AT*D displays a list of delayed numbers, as defined in the *B command, together with

 

 

 

their delay times. If no numbers are delayed, only the OK result code is displayed.

 

Command:

$Dn

DTR Dialing

 

 

 

Notes: Use this command for the MT5600BR only.

 

 

 

To set DTR Dialing for the MT5600BA, use the LCD display panel on the modem.

 

 

See the MT5600BA User Guide for LCD display panel directions.

 

Values:

 

n = 0 or 1

 

Default:

 

0

 

 

Description:

 

The modem dials the number stored in the phone number location &Z0 with $D1 set when

 

 

the modem receives a high DTR signal.

 

 

 

$D0

Disables DTR dialing.

 

 

 

$D1

Enables DTR dialing.

 

Command:

$Cn

Key Abort

 

Values:

 

0, 1

 

 

Default:

 

1

 

 

Description:

 

Key abort will work for both orignate and answer. The value can be stored.

 

 

 

$C0

Disables key abort.

 

 

 

$C1

Enables key abort.

 

Command:

$SBn

Serial Port Baud Rate

 

 

 

Note: Use this command with MT5600BA and MT5600BR only. Not supported by the

 

 

MT5656ZDX/MT5656ZDXV

 

Values:

 

n = speed in bits per second

 

Default:

 

57600

 

 

Description:

 

$SB300

Sets serial port to 300 bps.

 

 

 

$SB1200 Sets serial port to 1200 bps.

 

 

 

$SB2400 Sets serial port to 2400 bps.

 

 

 

$SB4800 Sets serial port to 4800 bps.

 

 

 

$SB9600 Sets serial port to 9600 bps.

 

 

 

$SB19200 Sets serial port to 19200 bps.

 

 

 

$SB38400 Sets serial port to 38400 bps.

 

 

 

$SB57600 Sets serial port to 57600 bps.

 

 

 

$SB115200 Sets serial port to 115200 bps.

 

 

 

Note: See also the L5 command.

 

 

 

Multi-Tech Systems, Inc. AT Commands Reference Guide (S000273G)

15

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Multi-Tech Systems MT5600BA-V92 Command MNP Extended Services, Command Flash Memory Download, Command View Delayed Numbers
Page 14 Page 16

MT5600BA-V92 specifications

Multi-Tech Systems MT5600BA-V92 is a versatile communication device designed for efficient data transmission over telephone lines. It is highly regarded for its reliability and performance in various applications, including point-of-sale transactions, remote monitoring, and data acquisition. One of the key features of the MT5600BA-V92 is its ability to operate at data rates of up to 56 Kbps. This high-speed modem ensures rapid data transfer, making it suitable for businesses that require quick and efficient communication.

The device supports V.92 technology, which enhances the performance of dial-up connections. V.92 provides features like cheaper call setup times, reduced latency, and improved upload speeds compared to older standards. This makes the MT5600BA-V92 an ideal choice for users who need enhanced data performance without investing in more complex networking infrastructure.

Another significant characteristic of the MT5600BA-V92 is its analog communication capabilities. The modem utilizes standard analog telephone lines for connectivity, allowing easy integration into existing telephony systems. This compatibility ensures that businesses can leverage their current infrastructure without needing substantial upgrades.

The MT5600BA-V92 integrates several features for improved functionality, including error correction and data compression technologies. These features enhance the reliability of data transmission by ensuring that lost or corrupted data packets are retransmitted, while compression reduces the amount of data sent over the line, further optimizing performance.

The modem is designed with user-friendliness in mind; it features a straightforward installation process and an intuitive configuration interface. Furthermore, it is compact and robust, making it suitable for diverse environments ranging from retail outlets to industrial applications.

The MT5600BA-V92 is also known for its durability and long life cycle, which is crucial for businesses that rely on continuous operations. Additionally, its ability to operate effectively in various conditions solidifies its position as a dependable communication solution.

In summary, the Multi-Tech Systems MT5600BA-V92 is an advanced modem that combines high-speed data transmission, analog compatibility, and robust error correction features. Its reliable performance and user-friendly design make it an excellent choice for businesses looking to enhance their communication capabilities while utilizing existing telephone infrastructure.
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