The Datavideo DAC-8P is an SDI to HDMI converter designed for professional video applications, enabling the conversion of HD/SD-SDI signals to HDMI, with the added flexibility of embedding either SDI audio or external analog RCA audio into the HDMI output. This compact device facilitates long-distance signal transmission and offers a bypass loop-thru output for SDI signals.
Function Description:
The primary function of the DAC-8P is to convert a single HD/SD-SDI input signal into an HDMI (V1.2) output. It also provides a loop-thru HD/SD-SDI output, allowing the input signal to be passed through to another device without interruption. A key feature is its audio embedding capability, where users can select between the audio embedded in the SDI signal or external unbalanced L/R RCA analog audio to be included in the HDMI output. This selection is made via a mini-switch located on the front panel.
Important Technical Specifications:
- Input Interface: 1x HD/SD-SDI input (BNC connector).
- Outputs Interface:
- 1x HD/SD-SDI output (Loop Thru, BNC connector).
- 1x HDMI (V1.2) output.
- Supported HDMI Output Formats:
- 720x480 Interlace
- 720x576 Interlace
- 1280x720 / 50 / 59.94 / 60 Hz Progressive
- 1920x1080 / 50 / 59.94 / 60 Hz Interlace
- 1920x1080 / 50 / 59.94 / 60 Hz Progressive
- 3G SDI Signal Compliance (SMPTE 292 standard):
- Output return loss: More than 4.5 dB (3GHz)
- Output level: 0.8 Vpp ± 10%
- Rise time: Less than 130 ps
- Fall time: Less than 130 ps
- Difference between rise time and fall time within 50 ps
- Alignment jitter: Less than 0.3 UI
- Timing jitter: Less than 2.0 UI
- Rise time overshoot: 10%
- Fall time overshoot: 10%
- Equalizer uses 5C-FB cable, supporting up to 100 meters.
- HD SDI Signal Compliance (SMPTE 292 standard):
- Output return loss: More than 15 dB (5MHz to 750MHz) / More than 10 dB (750MHz to 1.5 GHz)
- Output level: 0.8 Vpp ± 10%
- Rise time: Less than 270 ps
- Fall time: Less than 270 ps
- Difference between rise time and fall time within 100 ps
- Alignment jitter: Less than 0.2 UI
- Timing jitter: Less than 1.0 UI
- Eye aperture ratio: More than 90%
- DC offset: 0 ± 0.5V
- Equalizer uses 5C-FB cable, supporting up to 100 meters.
- Audio Input: Two channels of Unbalanced L/R RCA Audio input.
- Power: DC 12V / 500mA (4W).
- Dimensions: 105mm (W) x 120mm (D) x 38mm (H).
- Weight: 0.5 Kg.
- Operating Temperature: 0°C to 40°C (32°F to 102°F).
- Humidity: 10% to 90% (non-condensing).
Usage Features:
- Front Panel:
- HD/SD-SDI IN: BNC connector for the primary SDI video input.
- LOOP THRU: BNC connector providing a bypass output of the SDI input signal.
- AUDIO IN (RCA): Two RCA connectors for unbalanced L/R analog audio input.
- AUDIO OPTION Mini Switch: A two-position mini-switch (CH 1) to select the audio source for HDMI embedding.
ON: Selects ANALOG AUDIO (from RCA inputs).OFF: Selects SDI EMBEDDED AUDIO.
- CH 2 of the mini-switch is reserved.
- Rear Panel:
- DC IN 12V 4W: Socket for connecting the supplied 12V/500mA power supply unit (PSU). The connection can be secured by screwing the outer fastening ring of the DC In plug.
- POWER Switch: A toggle switch to turn the unit On or Off.
- HDMI OUT: HDMI digital signal output port.
Maintenance Features:
- Cleaning: Unplug the unit from the wall outlet before cleaning. Use a damp cloth; do not use liquid or aerosol cleaners.
- Ventilation: Slots and openings on the cabinet are provided for ventilation. These should not be blocked or covered to ensure safe and reliable operation and prevent overheating. The unit should not be placed on soft surfaces (bed, sofa, rug) or near heat sources (register, radiator). Proper ventilation must be provided if installed in a built-in setup.
- Power Cord: Ensure the power cord is not walked on, rolled over, or stressed. If an extension cord is used, the total ampere ratings of plugged-in products must not exceed the extension cord's rating.
- Servicing: Except for specifically explained procedures, users should not attempt to service the product themselves. Opening covers marked "Do Not Remove" may expose dangerous voltage points, void the warranty, and risk electric shock. All service issues should be referred to qualified service personnel.
- Troubleshooting (Conditions for service referral):
- Damaged or frayed power cord.
- Liquid spilled into the unit.
- Product exposed to rain or water.
- Product not operating normally under normal conditions (adjust only controls covered in the manual).
- Product dropped or cabinet damaged.
- Product exhibits a distinct change in performance.
- FCC Compliance: The device complies with part 15 of FCC rules, meaning it must accept any interference received and may not cause harmful interference.
- WEEE Marking (for EU Customers): The product should not be disposed of with household waste. It must be handed over to a designated collection point for the recycling of waste electrical and electronic equipment to conserve natural resources and protect human health and the environment.
- CE Marking: Indicates conformity with European standards ("Conformité Européene").
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