Grass Valley NV8500 Series v.3.5 - Manual (Page 47)

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NV8500 Series
User’s Guide
Port Ordering
Port ordering is a function of slot ordering. The slots of an NV8140, NV8144, or NV8280 are
ordered from right-to-left, as labeled at the rear of the router. However, for the NV8576 frames
and NV8576-Plus frames, there are two orderings: one labels the slots on the router in right-to-
left order (from 1 to 32 and from 33 to 64). The other slot ordering, that pertains to port
ordering, is a different ordering. See
Slot Order for Port Numbering on page 37.
Because video and audio port numbering for hybrid I/O is complex, Grass Valley has released
several reference documents that enumerate the router’s port numbers exhaustively for stan-
dard I/O, disembedder and embedder I/O, and 3Gig/TDM (MADI) I/O. This table lists the
available reference documents:
We recommend that you obtain a copy of these documents. Contact Miranda Customer Service.
Standard I/O
Standard I/O cards support 3Gig, HD, SD, and AES async signal types.
For all NV8500 routers except the NV8140, standard input cards accept 9 signals, either video or
AES pairs, depending on the card type.
For the NV8140, standard input cards accept 18 video signals. (The NV8140 does not support
AES async.)
Standard output cards transmit 18 signals, either video or AES pairs, depending on the card
type.
Standard expansion output cards, used for the NV8576-Plus only, transmit 9 signals, either video
or AES pairs, depending on the card type. Expansion output cards have, additionally, 2 expan-
sion connectors for cabling between the two frames of the NV8576-Plus.
Embedded audio, when it present, is passed through the router, with its video, unmodified.
Hybrid I/O
All hybrid cards support 3Gig, HD, and SD video rates.
Disembedder Input
For the NV8140
The hybrid disembedder card can disembed 16 audio channels from each of its 16 video inputs.
Each disembedder card thus has 256 audio inputs. However, input backplanes used for disem-
bedder cards have 18 connectors. Sixteen of the connectors are used for the video and two
Router Reference Document
NV8144 RF0272-01
NV8140 RF0334-00
NV8280 RF0273-01
NV8576 RF0274-03
NV8576-Plus, frame 1 RF0275-02
NV8576-Plus, frame 2 RF0276-02