Grass Valley LGK-3901 - Manual (Page 21)

GUIDE TO INSTALLATION AND OPERATION
LGK-3901/DSK-3901 | 15
4.3 Video Standards
4.3.1 Output
The following SDI video standards can be transmitted:
• 525i / 59.94 Hz
SMPTE 259M-1997 270Mb/s
• 625i / 50 Hz
SMPTE 259M-1997 270Mb/s
• 1920 x 1080i / 59.94 Hz
SMPTE 274M-1998 1.485Gb/s
• 1920 x 1080i / 50 Hz
SMPTE 274M-1998 1.485Gb/s
• 1280 x 720 / 59.94 Hz
SMPTE 296M-2001 1.485Gb/s
• 1280 x 720 / 50 Hz
SMPTE 296M-2001 1.485Gb/s
• 1920 x 1080p / 59.94 Hz
SMPTE 425M-2006 2.970Gb/s Level A / Mapping Structure 1
• 1920 x 1080p / 50 Hz
SMPTE 425M-2006 2.970Gb/s Level A / Mapping Structure 1
4.3.2 Input
Further to the list of supported output video standards above, the following SDI video standards can be received.
• 1920 x 1080p / 59.94 Hz
SMPTE 372M-2006 2.970Gb/s Level B Dual Link on 3G
• 1920 x 1080p / 50 Hz
SMPTE 372M-2006 2.970Gb/s Level B Dual Link on 3G
The two additional 1080p input video standards are converted to “SMPTE 425M-2006 Level A / Mapping Structure 1”
and output at the equivalent frame rate.
4.3.3 Propagation Delay
The video propagation delay for LGK-3901/DSK-3901 is as follows:
Video Standard Propagation Delay
525i / 59.94 Hz 2.0 µs
625i / 50 Hz 2.0 µs
1920 x 1080i / 59.94 Hz 1.3 µs
1920 x 1080i / 50 Hz 1.3 µs
1280 x 720 / 59.94 Hz 1.3 µs
1280 x 720 / 50 Hz 1.3 µs
1920 x 1080p / 59.94 Hz 0.7 µs
1920 x 1080p / 50 Hz 0.7 µs