Sirius 800 Series User Manual
Signal Flow
Product Overview 3.1
Iss 5 Rev 7
Page 20
© 2017 SAM
3.1 Signal Flow
The Sirius 800 routers are large scale multi-format video and audio routers. The Sirius 800
routers enable you to mix and match different signal formats - 3 Gb/s and 1.5 Gb/s HD and
SD video, and embedded, AES and MADI audio - in the same frame. Different video signal
formats can also be freely mixed within individual video input/output modules. BNC and Fiber
connections are available for video and MADI signals and high density 62 way D-type sockets
for AES. In addition to video and audio Advanced Hybrid Processing (AHP) modules allow
adjustment and processing of input and output signals.
3.1.1 Input Modules
The standard (non AHP) video input modules (5917, 5913, 5914 & 5916) route the video and
embedded audio through to the video crosspoint cards.
The AHP video input modules (5919 & 5915) de-embed up to 16 mono audio channels per
video input. Both the embedded and de-embedded audio channels can be manipulated
directly on the input module before being routed through the video and audio crosspoint cards
respectively.
The audio input module (4915) accepts either MADI only or a combination of AES and MADI
depending on the rear panel that is fitted. In either case the individual audio channels can
then be routed through the audio crosspoint cards.
3.1.2 Video Crosspoints
The video signals are routed through the video crosspoints to one or more destinations on the
video output modules as instructed by the router control system. Any embedded audio is
routed along with the video.
The video routing is completely non blocking and an optional video crosspoint card gives the
router video crosspoint redundancy.
Optionally the Sirius 850 has a second set of video crosspoint cards in the top of the router
that are used to route signals to the expansion outputs (577 to 1152). As with the other
crosspoint cards an optional video crosspoint can be fitted for video redundancy.
Figure 3
Audio and Video Signal Routing
