NV8500 family Digital Routers • User’s Guide 41
1. Introduction
Active Cards
‘Expansion’ and ‘filler’ cards can be combined in a single expandable router frame (NV8280-Plus
and NV8576-Plus). ‘Standalone’ cards are used exclusively in a standalone router frame (NV8144,
NV8280 and NV8576).
The following is a list of the different output cards available:
Output Card Functions
Output cards process 18 signals. The functions of each type of output card are described in the fol-
lowing sections.
‘Standalone’ Output Cards
‘Standalone’ cards are used in standalone router frames (NV8144, NV8280 and NV8576). The
cards receive 18 signals from the crosspoint card (via the motherboard). The card contains 18 re-
clockers. The re-clocker creates two copies of the signal, feeding one copy to a cable driver and one
Output Card Category
Signal
Types
Standard Rates
Corresponding
Backplane
AES Asynchronous Signals (Unbalanced and Balanced)
EM0688 Standalone
Unbalanced AES3
Audio sample rates 32 to
192
kHz (passed
through)
EM0793 (18 coax)
EM0688 Expansion EM0789 (9 coax, 2
expansion)
EM0688 Filler EM0789 (9 coax, 2
expansion)
EM0688 Standalone
Balanced AES3
Audio sample rates 32 to
192
kHz (passed
through)
EM0829 (18
terminal block)
EM0688 Expansion EM0830(9 terminal
block, 2 expansion)
EM0688 Filler EM0830 (9
terminal block, 2
expansion)
Video Signals (Coax Cable)
EM0690
(coax)
Standalone SD
SMPTE
259M
Video rates from 19 Mb/s
to 360 Mb/s.
Automatic reclocking at
270 Mb/s. Reclocking
bypassed at other rates.
EM0793 (18 coax)
EM0691
(coax)
Expansion
(no Filler)
EM0789 (9 coax, 2
expansion)
EM0785
(coax)
Standalone 3Gig, HD,
SD
SMPTE
259M
344M
292M
424M
Video rates from 19 Mb/s
to 3 Gb/s.
Automatic reclocking at
270 Mb/s and 1.483,
1.485, 2.966, 2.970 Gb/s.
Reclocking bypassed at
other rates.
EM0793 (18 coax)
EM0787
(coax)
Expansion EM0789 (9 coax, 2
expansion)
EM0692
(coax)
Filler EM0789 (9 coax, 2
expansion)
Video Signals (Fiber Optic Cable)
EM0697 (fiber
optic)
Standalone 3Gig, HD,
SD
SMPTE
259M
344M
292M
424M
Video rates from 19 Mb/s
to 3 Gb/s.
Automatic reclocking at
270 Mb/s and 1.483,
1.485, 2.966, 2.970 Gb/s.
Reclocking bypassed at
other rates.
EM0694 (18 coax)
EM0695 (fiber
optic)
Expansion EM0698 (9 coax, 2
expansion)
EM0692 (fiber
optic)
Filler EM0789 (9 coax, 2
expansion)
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