RS-232 SERIAL PORT CONTROL

RS-232 transmission Format

Bit Rate: 9600

Data Bits: 8

Parity: None

Stop bits: 1

Flow Control: None

Set Command

The command set includes: A1~A4 setup the output of HP1 B1~B4 setup the output of HP2 C1~C4 setup the output of HP3 D1~D4 setup the output of HP4

VR send back firmware version => V3.01b ST send back device status

[Input1 ON/OFF; Input2 ON/OFF; Input3 ON/OFF; Input4 ON/OFF; Output1: 1~4; Output2: 1~4; Output3: 1~4; Output4:1~4]

P0 & P1 are not supported for At-HD44M because it can only be manually turned ON or OFF. All other non-supported commands will show “Error Command”

Status Command

Command Code

 

Response

Description

Data

Check SUM

Get Status

Check SUM

Status

0x05 0x4d 0x4f 0x44

0xe5

0xaa 0x06

0x4d 0x41

0x29

Get Device Type (MA-

 

 

 

0x51

0x44

 

5144)

0x07 0x4d 0x41

0x53 0x57

0x43

0xaa 0x3 0x01~0xff

0x04~0x02

Get Device ID

0x04

 

 

 

 

 

 

0x08 0x4d 0x41

0x51 0x44

0x2e~0x2c

0xaa 0x06 port1 port2

0x06 +

Get Source Mapping of

*0x01~0xFF 0x01

 

port3

port4

port1~port4

Output Port

0x08 0x4d 0x41

0x51 0x44

0x30~0x2e

0xaa 0x08

0x56 0x33

0x81

Software Version

*0x01~0xFF 0x04

 

0x2e 0x30

0x31 0x61

 

V.3.01a

Check sum:

Check sum = (Data value sum)%256 The check sum of response is not included 0xaa.

0x01 ~ 0xFF:

This data is device ID. The Device ID saved in the device, if the device ID of the controlled device is 0xff , the de- vice will ignore its own ID and carry out the commands.

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Atlona AT-HD44M-SR manual RS-232 Serial Port Control, RS-232 transmission Format, Set Command, Status Command

AT-HD44M-SR specifications

The Atlona AT-HD44M-SR is an advanced HDMI distribution amplifier designed to meet the demands of high-definition video and audio distribution in both residential and commercial environments. This device is particularly relevant for applications where multiple displays are needed, such as in conference rooms, classrooms, and home theaters.

One of the primary features of the AT-HD44M-SR is its ability to take a single HDMI input and distribute it to up to four HDMI outputs. This is ideal for scenarios where the same content needs to be displayed simultaneously on multiple screens. The amplifier supports a variety of resolutions, including full HD 1080p and 4K/60Hz, ensuring that users can benefit from high-quality visuals without compromising on performance.

The AT-HD44M-SR utilizes advanced HDMI technology, ensuring compatibility with various HDMI formats. It supports 3D video, Deep Color, and many other high-definition specifications. The device also boasts high-bandwidth capabilities, which enables it to handle the increased data rates associated with modern video formats. This ensures a seamless viewing experience without any lag or loss of quality.

Incorporating features such as EDID (Extended Display Identification Data) management, the AT-HD44M-SR allows users to easily manage display settings and ensure that all connected devices communicate effectively. This is particularly important in multi-display setups where maintaining consistent picture quality across all screens is crucial.

The device is designed with a sturdy construction, making it reliable for both temporary setups and permanent installations. Moreover, it offers a user-friendly interface, which simplifies the process of managing multiple output displays. The automatic detection of connected devices minimizes setup time and effort.

Additionally, the Atlona AT-HD44M-SR is equipped with a compact design that allows it to fit easily into equipment racks or tight spaces. Its efficient power management ensures that it operates seamlessly without generating excessive heat.

Moreover, the device comes with a warranty, offering peace of mind to users regarding its longevity and performance. In summary, the Atlona AT-HD44M-SR is a robust and versatile HDMI distribution amplifier, making it an excellent choice for those looking to enhance their audio-visual capabilities with ease and reliability.