ALF-DSP44-UD - Router Alfatron - Free user manual and instructions
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| Product Type | 4x4 HDMI Matrix Router |
| Model | ALF-DSP44-UD |
| Brand | Alfatron |
| Dimensions | 440 x 220 x 44 mm (1U rackmount) |
| Weight | 3.2 kg |
| Power Supply | AC 100-240V, 50/60Hz, 30W |
| Inputs | 4x HDMI (Type A) |
| Outputs | 4x HDMI (Type A) |
| Maximum Resolution | 4K@60Hz (3840x2160) |
| HDCP Version | 2.2 |
| Control Interfaces | RS-232, IR, Ethernet (IP control) |
| Front Panel | LCD display, 5 buttons for selection |
| EDID Management | Built-in EDID learning and emulation |
| Audio Support | Pass-through stereo and multi-channel |
| Cooling | Fanless, convection cooled |
| Mounting | 19-inch rack ears included |
| Operating Temperature | 0°C to 40°C |
| Maintenance | Wipe with dry cloth; do not use liquids |
| Safety | Use only supplied power adapter; avoid moisture |
| Repairability | No user-serviceable parts; contact authorized service |
Frequently Asked Questions - ALF-DSP44-UD Alfatron
How do I connect the ALF-DSP44-UD to my display?
Use a certified HDMI cable (up to 10m for 4K) to connect any of the 4 HDMI outputs to your display. Ensure the source device is connected to an input.
Can I control the matrix via a smartphone app?
Yes, the ALF-DSP44-UD supports IP control. Connect it to your network and use the Alfatron Control App (available for iOS/Android) or third-party software via Telnet/HTTP.
What is the maximum supported resolution?
The matrix supports up to 4K@60Hz (3840x2160) with 4:4:4 chroma subsampling. For 1080p, it supports up to 120Hz.
How do I switch between sources?
Use the front panel buttons, the included IR remote, or send commands via RS-232. The LCD shows the current routing status.
Does it support HDCP?
Yes, it supports HDCP 2.2 and is backward compatible with HDCP 1.4.
Can I cascade multiple units?
Yes, you can cascade by connecting an output of one unit to an input of another. However, signal degradation may occur over multiple hops; use equalizers if needed.
What is EDID and how do I manage it?
EDID tells the source what resolutions and formats the display supports. The matrix has built-in EDID management: you can copy EDID from a connected display, use internal presets, or upload custom EDID via software.
The image flickers or no signal appears. What should I do?
Check that all HDMI cables are securely connected and not damaged. Ensure the source and display are powered on. Try a lower resolution or disable HDCP on the source if possible. Reset the matrix by unplugging power for 10 seconds.
Is the unit rackmountable?
Yes, it comes with rack ears for mounting in a standard 19-inch rack. It occupies 1U of rack space.
How do I update the firmware?
Download the latest firmware from the Alfatron website. Use the Alfatron Firmware Tool over a USB connection (micro-USB port on the rear) or via the network if supported.
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USER MANUAL ALF-DSP44-UD Alfatron
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Product information
Brand : Alfatron
Model : ALF-DSP44-UD
Category : Router