
ML-122
HDMI to 3G/HD/SD-SDI Converter with Audio Extractor
User Manual
Made in Taiwan

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Safety and Notice
The ML-122 HDMI to 3G/HD/SD-SDI Converter with Audio Extractor has been tested for conformance to
safety regulations and requirements, and has been certified for international use. However, like all electronic
equipments, the ML-122 should be used with care. Please read and follow the safety instructions to protect
yourself from possible injury and to minimize the risk of damage to the unit.
Follow all instructions and warnings marked on this unit.
Do not attempt to service this unit yourself, except where explained in this manual.
Provide proper ventilation and air circulation and do not use near water.
Keep away the objects that might damage the device and assure that the placement of this unit is on a stable
surface.
Use only the power adapter, power cords and connection cables designed for this unit.
Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device before
cleaning.

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The ML-122 provides a professional way to convert HDMI to 3G/HD/SD SDI with audio extractor in real time.
The conversion between SDI and HDMI is pure digital and guarantees no loss transformation for both audio and
video. Plus, with up to 8 channels audio support, 7.1 channel or 5.1 channel audio becomes available. The
ML-122 also provides 2 low jitter SDI outputs for daisy chain or multiple monitors. With the use of ML-122, the
most popular uncompressed video interface in the consumer world is readily available for professional SDI
equipments!
Features
Supported high-definition (HD) formats:
NTSC
[email protected], PAL 625@50, 720p@50,
[email protected], 720p@60, 1080i@50,
[email protected], 1080i@60,
[email protected], 1080p@24, 1080p@25,
[email protected], 1080p@30, 1080p@50,
[email protected], 1080p@60
Bit Rate: 2.97 Gbps, 2.967 Gbps, 1.485 Gbps, 1.4835 Gbps, 270 Mbps
Auto 3G/HD/SD-SDI detection
HDMI 1.2a supported
Support Deep Color
Two SDI compliant outputs
Support Analog stereo and S/PDIF audio outputs

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Specifications & Package Contents
[2.97Gpbs & 2.975/1.001Gbps]
[3G] 1080p50/59.94/60 (4:2:2)
[HD] – 720p @50/59.94/60Hz,1080i @50/59.94/60Hz, 1080p @24/30Hz
[SD] – NTSC @59.94Hz, PAL @50Hz
[SD-SDI] SMPTE 259M
[HD-SDI] SMPTE 292M, 296M
[3G-SDI] SMPTE-424M
Internal synchronization or external synchronization
Eye pattern characteristics
Extra low alignment jitter 0.05UI at HD
[3G-SDI] up to 90m (300ft)
[HD-SDI] up to 150m (500ft)
[SD-SDI] up to 300m (1000ft)
6-layer board [impedance control — differential 100; single 50]
2x SDI + 2x RCA + 1xS/PDIF
S/PDIF audio/2ch stereo audio
90 x 84 x 29mm [3.6” x 3.3” x 1.1”]
200 x 140 x 75mm [7.9" x 5.5" x 3.0"]
420 x 400 x 300mm [1'8" x 1'4" x 11.8"]
Inter-locked power supply
20~90% RH [no condensation]
1x ML-122
1x 5V/2A power adapter
1x User Manual

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Front Panel
1. HDMI input
2. DIP switch
3. Signal LED:
<red> power
<green> signal active
4. Interlocked +5V power jack
Rear Panel
5. SDI Output 1
6. SDI Output 2
7. Stereo Audio Output - R
8. Stereo Audio Output - L
9. SPDIF Audio Output

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1. The ML-122 only embeds the audio channels in audio group 1 & 2.
2. The ML-122 supports audio sample frequency at 48kHz only.
3. Signal LED Indication:
Not supported format or no signal

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The SELLER warrants the ML-122 HDMI to 3G/HD/SD-SDI Converter with Audio Extractor to be free from
defects in the material and workmanship for 1 year from the date of purchase from the SELLER or an authorized
dealer. Should this product fail to be in good working order within 1 year warranty period, The SELLER, at its
option, repair or replace the unit, provided that the unit has not been subjected to accident, disaster, abuse or any
unauthorized modifications including static discharge and power surges.
Unit that fails under conditions other than those covered will be repaired at the current price of parts and
labor in effect at the time of repair. Such repairs are warranted for 90 days from the day of reshipment to the
BUYER. If the unit is delivered by mail, customers agree to insure the unit or assume the risk of loss or damage in
transit. Under no circumstances will a unit be accepted without a return authorization number.
The warranty is in lieu of all other warranties expressed or implied, including without limitations, any other
implied warranty or fitness or merchantability for any particular purpose, all of which are expressly disclaimed.
Proof of sale may be required in order to claim warranty. Customers outside Taiwan are responsible for
shipping charges to and from the SELLER. Cables are limited to a 30 day warranty and cable must be free from
any markings, scratches, and neatly coiled.
The content of this manual has been carefully checked and is believed to be accurate. However, The SELLER
assumes no responsibility for any inaccuracies that may be contained in this manual. The SELLER will NOT be
liable for direct, indirect, incidental, special, or consequential damages resulting from any defect or omission in
this manual, even if advised of the possibility of such damages. Also, the technical information contained herein
regarding the ML-122 features and specifications is subject to change without further notice.