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Audio/Video Interface Specifications

Video Interfaces

Video Interfaces (Quad HD-BNC Inputs)
SD-SDISMPTE 259M-C270 Mbps Interface,
720 x 480i video format (29.97/30 Hz)
720 x 576i (25 Hz)


1,485 Gbps interface


1920 x 1080 video format
1920x1080i (23.98/24/25/29.97/30 Hz)
1920x1080p (23.98/24/25/29.97/30 Hz)

SMPTE 296M1280 x 720 video format
1280x720p (50/59.94/60 Hz)

SMPTE 424M (Level A Only)

3 Gbps interface

SMPTE 425M1080p60 video format
1920x1080p (50/59.94/60 Hz)
4x3G-SDI (UHD)SMPTE 425-5 (2SI)Up to 3840 x 2160p (50/59.94/60 Hz)
6G-SDISMPTE 2081 (1 input only)Up to 3840 x 2160p (24/25/29.97/30 Hz)
12G-SDISMPTE 2082 (1 input only)

Up to 3840 x 2160p (50/59.94/60 Hz)

SDI75 Ohms

SMPTE ST 2110 Video Interfaces (IP over SFP+ Input)

SMPTE ST 2110-20

Uncompressed video transport.


The following are not supported in ST 2110:

  • 4 x 1080p59.94/60 ingest (as it is beyond the 10Gbps speed limit of the interface)
  • 4Kp 59.94/60 ingest 
  • HDR metadata

Audio Interfaces

Makito X4 Audio Interfaces (16-bit PCM Audio)

Up to 32 channels of embedded audio per blade, in (stereo) 16 channel pairs. The channel pair sources are:
sdi1ch1&2, sdi1ch3&4, sdi1ch5&6 … sdi1ch15&16
sdi2ch1&2, sdi2ch3&4, sdi2ch5&6 … sdi2ch15&16
sdi3ch1&2, sdi3ch3&4, sdi3ch5&6 … sdi3ch15&16
sdi4ch1&2, sdi4ch3&4, sdi4ch5&6 … sdi4ch15&16


When in mono mode, each audio encoder can only encode one left or right channel. In this case, only 16 mono channels can be encoded.

Digital Embedded Audio

SD-SDISMPTE-272MFormatting AES/EBU Audio and Auxiliary Data into Digital Video Ancillary Data Space
HD/3G-SDISMPTE 299MFormatting 24-Bit Digital Audio Format for SMPTE Bit-Serial Interfaces
SMPTE ST 2110 Audio Interfaces (IP over SFP+ Input)
SMPTE ST 2110-30

Audio transport, based on AES67.

AES67 uses IEEE 1588-2008 Precision Time Protocol (PTPv2) for clock synchronization. 

PTP provides global microsecond accuracy timing of all essences. Synchronization is based on SMPTE 2059.

SMPTE ST 2110-10 PTP 

System architecture and synchronization: Individual audio, video and ancillary data tracks or clips are carried as separate individual streams, referred to as "essences".

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