RS-232

Connection

RS-232 is connected through a 9-pin female D connector. The pins will have functions associated with them, some will be unassigned.

5 4 3 2 1

9 8 7 6

Baud Rate: 9600bps

Command

 

 

No.

Pin

 

Function

 

 

 

1

----

 

Not used

 

 

 

2

Tx

 

Transmit

 

 

 

3

Rx

 

Receive

 

 

 

4

----

 

Not used

 

 

 

5

Gnd

 

Ground

 

 

 

6

----

 

Not used

 

 

 

7

----

 

Not used

 

 

 

8

----

 

Not used

 

 

 

9

----

 

Not used

 

 

 

 

 

 

 

 

Data Bit: 8bits

Parity: None

Stop Bit: 1bit

 

The command codes are very sensitive, do not change capitalization, spacing, or lettering.

 

Command

Feedback

Description

 

 

PWON

PWON

Power on

 

 

PWOFF

PWOFF

Power off

 

 

All#

All#

Resets all inputs to corresponding outputs (in3 to out3)

 

 

x1$

x1$

Turns off output channel (to turn off output 3 = x3$)

 

 

x1AVx2

x1AVx2

Switch input to output (input 3 to output 5 = x3AVx5)

 

 

x1AVx2,x3,x4

x1AVx2,x3,x4

Switch input to multiple outputs (input 3 = x3AVx1,x2)

 

 

Statusx1

x7AVx1

Shows what input is connected to selected output

 

 

Status

x1AVx1, x2AVx2,

Displays which inputs are currently connected to which outputs

 

 

 

x3AVx4, ....

 

 

 

Save[Y]

Save2

Saves settings for future use, saves vary from 0 to 9

 

 

Recall[Y]

Recall2

Pulls up saved settings for the number you selected

 

 

Clear[Y]

Clear2

Erases the save for the number you selected

 

 

Mreset

Mreset

Sets matrix back to the default settings

 

 

 

 

 

 

Each command or feedback is terminated with a carriage return.

Note: If the command fails or is incorrect the feedback should be “Command FAILED”

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Atlona AT-COMP-44M user manual RS-232, Connection

AT-COMP-44M specifications

The Atlona AT-COMP-44M is a versatile audio-video matrix switcher designed for seamless routing of high-definition video and audio signals. This device is an essential tool for various applications including commercial audiovisual installations, event production, and residential home theaters.

One of the standout features of the AT-COMP-44M is its support for a wide range of video formats. The switcher can handle resolutions up to 1080p, ensuring compatibility with most modern devices. The matrix allows for the independent switching of four input sources to four output displays, which means users can direct any source to any display without having to compromise on routing options.

The AT-COMP-44M is equipped with multiple input options, including VGA, composite video, and audio connections. This versatility makes it ideal for integrating older equipment alongside the latest technology. Users can connect devices like computers, DVD players, and even gaming consoles, making it a practical choice for diverse settings.

In terms of control options, the switcher offers several methods to manage its functionality. Users can utilize the included IR remote control for basic settings, a straightforward front panel interface for quick adjustments, or RS-232 control for more advanced integration into larger control systems. The AT-COMP-44M is also compatible with third-party control systems, making it easy to incorporate into an existing AV setup.

Another key characteristic of the AT-COMP-44M is its built-in scaling capabilities. The device features advanced scaling technology that ensures optimal image quality when switching between different sources and displays. This functionality is crucial in a professional environment, where maintaining video fidelity across various formats is a priority.

The AT-COMP-44M also comes with an option for rack mounting, allowing for streamlined integration into AV racks typically used in commercial installations. Its robust build quality ensures reliability, making it suitable for both permanent installations and portable use.

By combining high compatibility, flexible control options, and advanced scaling technology, the Atlona AT-COMP-44M stands out as an effective solution for managing and routing audio-video signals in a variety of settings. Whether for a corporate event, educational institution, or home theater, this matrix switcher is a powerful asset that enhances the overall AV experience.