BKM-244CC (BKM244CC)Discontinued

HD/SDI Closed Caption Adaptor


BKM-244CC is a video signal input adaptor for Sony professional monitors, incorporating an SDI decoder, an SDI output, and a closed caption deocoders for both SD-SDI and HD-SDI EIA standards.
  • Decoder for serial digital component signals
  • Serial digital input and output signal connector
  • Closed caption decorders for EIA 608 and 708 standards


SDI Input
BNC (x2)
Input impedance: 75 ohms unbalanced
Sampling frequency
Y/Cb/Cr 74.25 MHz/37.125 MHz/37.125 MHz
Y/Cb/Cr:13.5 MHz/6.75 MHz/6.75 MHz
HD-SDI: 10 bits/sample
SD-SDI: 10 bits/sample
SDI Output
BNC (x1) (monitor output) *1 
Output signal amplitude: 800 mVp-p ±10% 
Output impedance: 75 ohms unbalanced 
Transmission distance 
HD-SDI: 100 m (approx.328 ft) max. *2 
SD-SDI: 200 m (approx.656 ft) max. *3 
Closed Caption Decode
Applicable Signals
SD-SDI: 480/59.94i
HD-SDI: 1080/60i *4 *5 , 720/60p *5
Applicable Standards
HD-SDI: EIA/CEA-608(708), EIA/CEA-708
Applicable Specifications (EIA/CEA-608)
Decode channel: CC1 to CC4, TEXT1 to TEXT4
Character: Standard Character, Special Character
Applicable Specifications (EIA/CEA-708)
Caption service: Service #1 to #6
Character: G0 code, G1 code
Window style, Pen style
Window Style
Justify: Only available for LEFT
Print direction: Only available for LEFT-TO-RIGHT
Scroll direction: Only available for BOTTOM-TO-TOP
Word wrap: Not available
Display effect: Only available for SNAP
Fill color: Only available for BLACK
Fill opacity: Available for SOLID, TRANSPARENT, TRANSCLUENT
Border type: Not available
Pen Style
Foreground color: Available for white, black, red, blue, green, yellow, cyan, magenta
Foreground opacity: Only available for SOLID
Background color: Only available for BLACK
Background opacity: Only available for SOLID
Pen size: Available for LARGE, STANDARD, SMALL
Font style: 0 (one type of font)
Offset: Only available for NORMAL
Italics: Available
Underline: Available
Edge type: Not available
+3.3 V, +5 V DC (supplied from the main unit)
Power Consumption
Approx. 4.0 W
Operating Temperature
0°C to 35°C (Recommended: 20°C to 30°C)
32°F to 95°F (Recommended: 68°F to 86°F)
Operating Humidity
0% to 90% (no condensation)
Storage/Transport Temperature
-20°C to +60°C
-4°F to +140°F
Storage/Transport Humidity
0% to 90%
Operating/Storage/Transport Pressure
700 hPa to 1060 hPa
Dimensions (W x H x D) *6
100 x 20 x 162 mm
4 x 13/16 x 6 1/2 inches
Approx. 250 g
Approx. 8.8 oz
Supplied Accessories
Operating Instructions (1)
*[1] The signal from the monitor output
*[2] When using 5C-FB coaxial cables (Fujikura or equivalent).
*[3] When using 5C-2V coaxial cables (Fujikura or equivalent).
*[4] Also avilable for frame frequency 1/1.001
*[5] Not avilable for Dual-link
*[6] The values for dimensions are approximate.

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