Data Video DAC-8 User manual

HD/SD-SDI to HDMI Converter
DAC-8
Quick Start Guide
www.datavideo-tek.com
Rev 050510

1
Contents
Warnings and Precautions ................................................ 3
Warranty ............................................................................ 4
Standard Warranty ......................................................... 4
Two Year Warranty ........................................................ 4
Disposal ............................................................................. 5
Packing List ....................................................................... 5
Introduction ........................................................................ 5
Features ......................................................................... 5
Inputs ............................................................................. 6
Outputs........................................................................... 6
Supported input video formats........................................... 6
Front Panel..................................................................... 7
Rear Panel ..................................................................... 7
SDI Cabling Advice............................................................ 8
Specifications..................................................................... 9
Service & Support............................................................ 10

2
Warnings and Precautions
1. Read all of these warnings and save them for later reference.
2. Follow all warnings and instructions marked on this unit.
3. Unplug this unit from the wall outlet before cleaning. Do not use liquid or
aerosol cleaners. Use a damp cloth for cleaning.
4. Do not use this unit in or near water.
5. Do not place this unit on an unstable cart, stand, or table. The unit may fall,
causing serious damage.
6. Slots and openings on the cabinet top, back, and bottom are provided for
ventilation. To ensure safe and reliable operation of this unit, and to protect
it from overheating, do not block or cover these openings. Do not place this
unit on a bed, sofa, rug, or similar surface, as the ventilation openings on
the bottom of the cabinet will be blocked. This unit should never be placed
near or over a heat register or radiator. This unit should not be placed in a
built-in installation unless proper ventilation is provided.
7. This product should only be operated from the type of power source
indicated on the marking label of the AC adapter. If you are not sure of the
type of power available, consult your Datavideo dealer or your local power
company.
8. Do not allow anything to rest on the power cord. Do not locate this unit
where the power cord will be walked on, rolled over, or otherwise stressed.
9. If an extension cord must be used with this unit, make sure that the total of
the ampere ratings on the products plugged into the extension cord do not
exceed the extension cord’s rating.
10. Make sure that the total amperes of all the units that are plugged into a
single wall outlet do not exceed 15 amperes.
11. Never push objects of any kind into this unit through the cabinet ventilation
slots, as they may touch dangerous voltage points or short out parts that
could result in risk of fire or electric shock. Never spill liquid of any kind onto
or into this unit.

3
Warnings and Precautions
12. Except as specifically explained elsewhere in this manual, do not attempt to
service this product yourself. Opening or removing covers that are marked
“Do Not Remove” may expose you to dangerous voltage points or other
risks, and will void your warranty. Refer all service issues to qualified
service personnel.
13. Unplug this product from the wall outlet and refer to qualified service
personnel under the following conditions:
a. When the power cord is damaged or frayed;
b. When liquid has spilled into the unit;
c. When the product has been exposed to rain or water;
d. When the product does not operate normally under normal
operating conditions. Adjust only those controls that are
covered by the operating instructions in this manual; improper
adjustment of other controls may result in damage to the unit
and may often require extensive work by a qualified technician
to restore the unit to normal operation;
e. When the product has been dropped or the cabinet has been
damaged;
f. When the product exhibits a distinct change in performance,
indicating a need for service.

4
Warranty
Standard Warranty
•Datavideo equipment is guaranteed against any
manufacturing defects for one year from the date of
purchase.
•The original purchase invoice or other documentary
evidence should be supplied at the time of any request for
repair under warranty.
•Damage caused by accident, misuse, unauthorized
repairs, sand, grit or water is not covered by this warranty.
•All mail or transportation costs including insurance are at
the expense of the owner.
•All other claims of any nature are not covered.
•Cables & batteries are not covered under warranty.
•Warranty only valid within the country or region of
purchase.
•Your statutory rights are not affected.

Two Year Warranty
All Datavideo products purchased after 01-Oct.-2008 qualify for a free
one year extension to the standard Warranty, providing the product is
registered with Datavideo within 30 days of purchase. For information
on how to register please visit www.datavideo-tek.com or contact
your local Datavideo office or authorized Distributors
Certain parts with limited lifetime expectancy such as LCD Panels,
DVD Drives and Hard Drives are only covered for the first 10,000
hours, or 1 year (whichever comes first).
Any second year warranty claims must be made to your local
Datavideo office or one of its authorized Distributors before the
extended warranty expires.

5
Disposal For EU Customers only - WEEE Marking
This symbol on the product indicates that it should not
be treated as household waste. It must be handed
over to the applicable take-back scheme for the
recycling of Waste Electrical and Electronic Equipment. For more
detailed information about the recycling of this product, please
contact your local Datavideo office.
Packing List
Items Description Q’ty
1 DAC-8 1
2 Switching Adaptor DC 12V 0.5A 1
3 Instruction Manual 1
Introduction
The Datavideo DAC-8 is stand alone SDI/HD-SDI to HDMI video
converter. This converter is an ideal accessory for Digital Video
Switchers such as the Datavideo SE-900, SE-1000 and SE-2000
where long SDI cable runs are required between the mixer and a
projector or monitor.
Features
- Rugged case design
- Easily secured to a ceiling using the provided mounting holes
- Compatible with NTSC or PAL signals
- Can handle SDI embedded audio
- Audio embedded within HDMI output
- DC 12V Operation

6
Inputs
1x SDI / HD-SDI on BNC (SMPTE 292M standard 1.5Gbps)
2x RCA Unbalanced Audio Channels (L+R)
Outputs
1 x HDMI
1x SDI / HD-SDI on BNC (Loop through bypass)
Supported input video formats
720x480 NTSC
720x576 PAL
1280x720 / 50Hz Progressive
1280x720 / 59.94Hz Progressive
1280x720 / 60Hz Progressive
1920x1080 / 50Hz Interlace
1920x1080 / 59.94Hz Interlace
1920x1080 / 60Hz Interlace

7
Front Panel
1. SDI / HD-SDI Input
4:2:2 SDI Video data supports SMPTE 292M standard at
1.5Gbps.
2. SD /HD-SDI Loop Through bypass
3. Dip Switch Audio Selection
ON Analogue Audio
SW 1 OFF SDI Embedded Audio
SW 2 Reserved
4. L+R RCA unbalanced Audio Inputs
Rear Panel
1. DC In Socket
Connect the supplied 12V 0.5A PSU to this socket. The
connection can be secured by screwing the outer fastening ring
of the DC In plug to the socket.
2. Power Switch
Switches the power On / Off.
3. HDMI Output Connector
HDMI output signal to your HDMI equipped Monitor or Projector.
See supported input formats on page 6

8
SDI Cabling Advice
Start with good cabling. BNC coax cables and connectors are not all made to the
same standard. From the thickness and grade of the centre conductor to the type
of dielectric, all these factors contribute to impedance, attenuation and Return
Loss (RL). Serial Digital Video coax like Belden 1694A or Canare L5CFB are
good examples of broadcast quality SDI cable.
A 75 Ohm (Ω) impedance must be maintained throughout the DAC-9 SDI signal
or cable path, including BNC connectors etc.
Return Loss is the portion of the transmitted SDI signal that is not admitted to the
receiver (mixer) and is then reflected back along the cable toward the transmitter
(DAC-9). Reflections in the transmission path will cause attenuation as well as
distortion of the SDI signal received. The signal is attenuated because part of it is
reflected back and does not make it to the receiver (SE-1000 for example); it is
also distorted because the reflected signal mixes with the original signal causing
it to distort as well as adding to the noise floor.
Care must also be taken with cable length, as it will affect the error rate in the
SDI signal. Cable lengths beyond acceptable limits will see error rates reach a
tipping point and this will bring about a total loss of picture also known as the
Cliff Effect. Always check with your supplier for cabling advice on the maximum
distance for a particular signal and data rate, in this case an SDI signal that
complies with the SMPTE 292M standard at 1.5 Gbps. Datavideo Taiwan have
determined that single BNC SDI cable (5CFB) runs of up to 100m should be
possible with this unit before the signal would need to be re-clocked or repeated.
Here is a basic list of other things to avoid
• Do not step on or rest equipment on the cables.
• Do not roll dollies or trolleys over the cables.
• Do not put kinks or sharp bends in the cables.
• Do not exceed the minimum bend radius of the cable.
The general rule for an acceptable bend radius is 10 times the diameter of the
cable.
• Cable pulls should be done carefully – do not jerk or stretch the cable(s).
Do not exceed the cable’s maximum pulling tension.
(call the cable supplier / manufacturer for this information.)
• Do not pull cable ties too tight on cable looms.
If you cannot move any cable inside a loom tie, the tie is too tight.
Put an extra piece of cable in when tightening loom ties - then remove it
afterwards to create the space.
• Do not put cable management fixings at standard distances apart.
This can lead to deformity at a given wavelength, which can increase RL.
Place your loom cable ties at random distances for the same reason.

9
Specifications
Input • 1x HD/SD-SDI input
Output • 1x HD/SD-SDI Loop through bypass
• 1x HDMI output
Supported
Output
Formats
• 720x480 Interlaced (NTSC)
• 720x576 Interlaced (PAL)
• 1280x720 / 50Hz Progressive
• 1280x720 / 59.94Hz Progressive
• 1280x720 / 60Hz Progressive
• 1920x1080 / 50Hz Interlaced
• 1920x1080 / 59.94Hz Interlaced
• 1920x1080 / 60Hz Interlaced
HD SDI
Signal
SMPTE 292M standard complied with
• Output return loss : More than 15 dB (5MHz to750MHz)
More than 10 dB (750MHz to 1.5 GHz)
• Output level : 0.8 Vpp ± 10%
• Transition time : Min then 270 ps
• Difference between rise time and fall time within 100 ps
• Eye aperture ratio : More than 90%
• DC offset : 0 ± 0.5V
• Equalizer use 5C-FB cable support 100 meters
SD SDI
Signal
SMPTE 292M standard complied with
• Output return loss : More than 15 dB (5MHz to750MHz)
More than 10 dB (750MHz to 1.5 GHz)
• Output level : 0.8 Vpp ± 10%
• Transition time : 0.4 ~ 1.5ns
• Difference between rise time and fall time within 100 ps
• Eye aperture ratio : More than 90%
• DC offset : 0 ± 0.5V
• Equalizer use 5C-FB cable support 100 meters
Operating
Temperature • 0°C to 40°C (32°F to 102°F)
Humidity • 10% to 90% (non condensing)
Dimension
& Weight • 105mm (W) x 120mm (D) x 38mm (H) / lbs/ 0.5Kgs
Power • Output DC 12V / 0.5A

10
Service & Support
It is our goal to make your products ownership a satisfying experience. Our
supporting staff is available to assist you in setting up and operating your system.
Please refer to our web site www.datavideo-tek.com for answers to common
questions, support requests or contact your local office below.
Datavideo Global Website: www.datavideo-tek.com
Datavideo Corporation E-Mail: [e-mail]
Tel: [phone] Fax: [phone]
Datavideo Technologies Europe BV E-Mail: [e-mail]
Tel: [phone] Fax: [phone]
Datavideo UK Limited E-Mail: [e-mail]
Tel: [phone] Fax: [phone]
Datavideo Technologies Co., Ltd E-mail: [e-mail]
Tel: [phone] Fax: [phone]
Datavideo Technologies China Co., Ltd E-mail: [email protected]
Tel: [phone] Fax:[phone]
Datavideo Technologies (S) PTE Ltd E-mail: [e-mail]
Tel: [phone] Fax: [phone]
Datavideo HK Ltd E-mail: [e-mail]
Tel: [phone] Fax: [phone]
All the trademarks are the properties of their respective owners.
Datavideo Technologies Co., Ltd. All rights reserved 2018
G082060461E1