AJA 12GDA Istruzioni operative
12GDA
Mini-Converter
Version 1.0r1
Published August 28, 2017
Installation and Operation Guide
12GDA Mini-Converter v1.0r1 4 www.aja.com
Chapter 1 – 12GDA Mini-Converter
Introduction
The 12GDA is a miniature, low-cost 1x6 12G-SDI re-clocking distribution amplifier.
Featuring six separately buffered SDI outputs, the 12GDA provides automatic
cable equalization, re-clocking and input detection.
Features
• 12G/6G/3G/HD/SD-SDI Distribution
• Six Separately Buered Outputs
• Miniature Size
• 12G-SDI cable equalization (using Belden 1694A coax)
• 12G/6G/3G/HD/SD-SDI input, auto-sensing
• Passes all ancillary data
• Uses universal input +5V power supply AJA model DWP-U-R1 (included)
• Five year warranty
12GDA Simplified Block Diagram
12G-SDI, 6G-SDI, 3G-SDI,
HD-SDI, or SD-SDI with
Embedded Audio In 12G-SDI, 6G-SDI, 3G-SDI,
HD-SDI, or SD-SDI with
Embedded Audio Out
Outputs pass
embedded audio
and metadata
Cable
EQ ReClock
Serial Video In
Serial Video Out 1
Serial Video Out 2
Serial Video Out 3
Serial Video Out 4
Serial Video Out 5
Serial Video Out 6
Driver
Driver
Driver
Driver
Driver
Driver
12GDA Mini-Converter v1.0r1 5 www.aja.com
12GDA I/O Connections
LOCK LED
12G-SDI
Input BNC
12G-SDI
Output 5 BNC
12G-SDI
Output 6 BNC
12G-SDI
Output 1 BNC
12G-SDI
Output 2 BNC
12G-SDI
Output 3 BNC
12G-SDI
Output 4 BNC
+ 5 VDC
Power Input
NOTE: The LOCK LED indicates valid input video by color: green for SD, red for all other
rates, off is no input.
Installation
Typically, 12GDA installation consists of the following:
1. Connect video equipment to the BNCs.
2. Apply power to the converter (AJA power supply included).
3. The LOCK LED will light to indicate detection of the following SMPTE SDI
rates:
• Red: 12G 11.868 Gbps, 11.880 ST 2082
• Red: 6G 5.934 Gbps, 5.940 Gbps ST 2081
• Red: 3G 2.967 Gbps, 2.970 Gbps ST 424
• Red: HD 1.483 Gbps, 1.485 Gbps ST 292
• Green: SD 270 Mbps ST 259-C
12GDA Mini-Converter v1.0r1 6 www.aja.com
Appendix A – Specifications
12GDA Tech Specs
Video Formats
• 100 Mbps - 12 Gbps, format agnostic
Video Input Digital
• 1 x 12G-SDI BNC, SMPTE-259/292/424/2081/2082
Video Output Digital
• 6 x 12G-SDI BNC, SMPTE-259/292/424/2081/2082
Cable Equalization
(Using Belden 1694A coax)
• 12 Gbps, 70m
• 6 Gbps, 100m
• 3 Gbps, 140m
• 1.5 Gbps, 200m
• 270 Mbps, 300m
Reclocking
• 270 Mbps, 1.483 Gbps, 1.485 Gbps, 2.967 Gbps, 2.970 Gbps, 5.934 Gbps, 5.940
Gbps, 11.868 Gbps, 11.880 Gbps - Auto Select
• All other rates automatically bypass the reclocker and are passed through
Size (w x d x h)
• 5.8" x 3.1" x 1" (147mm x 79mm x 25mm)
Weight
• 0.7 lbs (0.3 kg)
Power
• +5-20VDC, regulated, 3 watts, power supply required, included with purchase
• AC Adapter: 100-240VAC, 50/60 Hz, universal input
Environment
• Safe Operating Temperature: 0 to 40 degrees C (32 to 104 degrees F)
• Safe Storage Temperature (Power OFF): -40 to 60 degrees C (-40 to 140
degrees F)
• Operating Relative Humidity: 10-90% noncondensing
• Operating Altitude: <3,000 meters (<10,000 feet)
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