https://cablematic.com/en/products/hdmi-matrix-selector-switch-with-audio-of-4-inputs-4-output-for-rackmount-19-HL042/
HDMI matrix selector switch with audio of 4 inputs 4 output for rackmount 19"
- Inputs: it has four HDMI female input ports that allow it to be selected to be sent to the outputs.
- Outputs: it has four female HDMI output ports. Each of these ports can independently select the image from any of the four input ports.
- There are four selection buttons on the front panel, one for each output port. These push buttons allow the selection of the HDMI input port for each HDMI output port.
- It is supplied with a remote control that allows independent control of each output port. For each port it has 4 input port selection buttons and OFF button.
- It has an RS232 serial port (3-pin terminal port) that allows control of the selector through this interface (for example from an external computer). It works in ANSI 4800 8-N-1-non terminal mode.
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- Inputs: it has four HDMI female input ports that allow it to be selected to be sent to the outputs.
- Outputs: it has four female HDMI output ports. Each of these ports can independently select the image from any of the four input ports.
- There are four selection buttons on the front panel, one for each output port. These push buttons allow the selection of the HDMI input port for each HDMI output port.
- It is supplied with a remote control that allows independent control of each output port. For each port it has 4 input port selection buttons and OFF button.
- It has an RS232 serial port (3-pin terminal port) that allows control of the selector through this interface (for example from an external computer). It works in ANSI 4800 8-N-1-non terminal mode.
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Matrix HDMI selector (matrix) with four input ports and four output ports. From four HDMI input signals, this device allows you to send one of these signals to each of the HDMI output ports independently, that is, each HDMI output can have a different signal selected from the HDMI input ports. . This is a model that has 4 female HDMI input connectors, 4 female HDMI output connectors and 4 buttons for selecting the active input port (one button for each output port).
specs
- Inputs: it has four HDMI female input ports that allow it to be selected to be sent to the outputs.
- Outputs: it has four female HDMI output ports. Each of these ports can independently select the image from any of the four input ports.
- There are four selection buttons on the front panel, one for each output port. These push buttons allow the selection of the HDMI input port for each HDMI output port.
- It is supplied with a remote control that allows independent control of each output port. For each port it has 4 input port selection buttons and OFF button.
- It has an RS232 serial port (3-pin terminal port) that allows control of the selector through this interface (for example from an external computer). It works in ANSI 4800 8-N-1-non terminal mode.
- Model in desktop format and 19 "rack of 1U height (420 x 174 x 28 mm). Includes removable metal tabs for rack rack fixing.
- Resolution supported: 1920 x 1200 and 1080p 24 Hz 3D.
- Compatible HDMI 1.3b, HDCP 1.0 and HDCP 1.1.
- VGA video formats supported: 640x480, 800x600, 1024x768 and 1920x1200.
- Supported DTV / HDTV video formats: 480i, 576i, 480p, 576p, 720p, 1080i and 1080p.
- Working frequency: Up to 225 MHz.
- It has active port indicator LEDs, ON / OFF switch and lock button on the front panel.
- Requires 12 VDC power supply (included).
- Gold-plated connectors.
- Size without tabs (width x depth x height): 430 x 175 x 28 mm.
- Gross Weight: 2.242 kg
- Product size (width x depth x height): 43.0 x 17.5 x 2.8 cm
- Number of packages: 1
- Packages size: 45.5 x 26.5 x 8.5 cm
Technical terms
- HDMI
- 1080p
- RACK 19
- VGA
- Hz
- Communication Series
- HDCP
- RS232
- HDTV
- VDC
- Rack unit (U)
HDMI (High-Definition Multimedia Interface) is a digital interface standard designed for the simultaneous transmission of uncompressed audio and video streams from a compatible source to a digital display or receiver.
This interface employs Transition-Minimized Differential Signaling (TMDS) to maintain data integrity at high frequencies. Throughout its revisions, HDMI has evolved from a basic digital video solution into a complex data bus capable of carrying 4K signals at 60Hz, dynamic metadata, and bidirectional control protocols between devices.
| Version | Bandwidth | Audio/Video Support |
|---|---|---|
| 1.0 - 1.2 | 4.9 Gbit/s | 1080p @ 60Hz, 8 LPCM channels |
| 1.3 - 1.4 | 10.2 Gbit/s | 4K @ 30Hz, Deep Color, ARC, Ethernet |
| 2.0 | 18.0 Gbit/s | 4K @ 60Hz, 32 audio channels, HDR |
The mass adoption of the HDMI standard has transformed the interconnect architecture in multimedia data centers and high-performance workstations. Its ability to integrate Audio Return Channels (ARC/eARC) and Ethernet connectivity (HEC) has drastically simplified structural cabling, eliminating the need for multiple redundant analog and digital cables while ensuring signal integrity over significant distances through active equalization.
CEC Control and Multi-Streaming Integration
A critical innovation in version 2.0 is the ability to deliver simultaneous dual video streams on the same screen and up to four independent audio streams, optimizing bandwidth for multi-user applications.
Key Advantages
- Pure digital transmission avoiding D/A signal degradation.
- Full backward compatibility across all standard versions.
- Native support for high-resolution audio formats like Dolby TrueHD and DTS-HD.
- Support for 21:9 cinema aspect ratios and dynamic lip-sync.
Note: Final interface performance is dependent on the cable certification (Standard, High Speed, or Premium High Speed).
