PORTABLE USB MODEM

Command:

\Bn

Transmit Break

Values:

 

n=0–9 in 100-ms units

Default:

 

3

Description:

 

In non-error-correction mode only, sends a break

 

 

signal of the specified length to a remote modem.

 

 

Works in conjunction with the \K command.

Command:

\Gn

Modem Port Flow Control

Values:

 

n=0

Default:

 

0

Description:

\G0

Returns an OK for backward compatibility with

 

 

some software.

 

\G1

Not supported—responds ERROR.

Command:

\Jn

Data Buffer Control

Values:

 

n=0

Default:

 

0

Description:

\J0

Enable data buffer—serial port speed is

 

 

independent of connect speed.

 

\J1

Disable data buffer—serial port speed is forced to

 

 

the line speed.

Command:

\Kn

Break Control

Values:

 

n=0–5

Default:

 

5

Description:

 

Controls the response of the modem to a

 

 

\B command. The response is different for each of

 

 

three different states.

 

 

Data mode. The modem receives the break from

 

 

the computer:

 

\K0

Enter online command mode, no break sent to the

 

 

remote modem.

 

\K1

Clear data buffers and send break to the remote

 

 

modem.

 

\K2

Same as \K0.

 

\K3

Send break immediately to the remote modem.

 

\K4

Same as \K0.

 

\K5

Send break to the remote modem in sequence with

 

 

the transmitted data.

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Image 49
Black Box MD403A user manual Bn Transmit Break, Gn Modem Port Flow Control, Jn Data Buffer Control, Kn Break Control

MD403A specifications

The Black Box MD403A is a powerful and versatile device widely recognized for its advanced technology and its ability to streamline data communication. Ideal for both personal and professional use, the MD403A is designed to cater to various environments, from small offices to larger enterprises.

One of the main features of the MD403A is its robust connectivity options. It supports multiple interfaces, including USB, HDMI, and Ethernet, allowing seamless integration with various devices such as computers, projectors, and IP networks. This flexibility makes it a popular choice for businesses that require reliable data transmission across different platforms.

The device is equipped with advanced signal processing capabilities that ensure high-quality data transfer. Utilizing cutting-edge technology, the MD403A minimizes signal loss, thereby enhancing performance and ensuring that the transmitted data remains intact. This feature is particularly crucial in scenarios where large amounts of data need to be transmitted quickly and without loss of quality.

Another significant characteristic of the Black Box MD403A is its user-friendly design. The interface is intuitive, making it easy for users of all technical abilities to navigate the system effortlessly. It typically comes with a straightforward setup process, minimizing downtime and allowing users to get up and running quickly.

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In terms of durability, the MD403A has a sturdy design that can withstand the rigors of daily use. Its compact form factor allows for easy portability, making it an ideal choice for professionals who are always on the move.

In summary, the Black Box MD403A combines advanced features, multiple connectivity options, robust security, and ease of use, making it an essential tool for modern communication needs. Its adaptability and performance make it a preferred choice for users seeking reliable data transfer solutions in diverse settings.