Extron Electronics VN-QUANTUM User Guide - Manual (Page 60)

Section 3: Functional Overview VN-QUANTUM User Guide
Page 60 I455GB issue 8
External Sources
Analog video sources, such as cameras, VHS/DVD players and video servers, are input into the
VN-QUANTUM Processor through one or more ES3311-2 Input Cards.
Analog RGB graphics or HD Video sources are input into the VN-QUANTUM Processor through one
or more ES3312 Input Cards.
12-Channel Video Input Card (ES3311-2)
Card Architecture
The following diagram shows the main functional blocks of the ES3311-2 card and basic data/signal
flow through the card:
Each ES3311-2 card can accept up to 12 sources of either composite (CVBS) or s-video (YC). The
maximum number of cards that can be installed is limited only by the number of available card slots
(see table on page 57). With the minimum of one Output Card fitted:
The ES3301-2 Card Frame can accommodate up to 14 Input Cards,
allowing a maximum of 168* video source inputs.
The ES3302 / 3304 Card Frame can accommodate up to 7 Input Cards,
allowing a maximum of 84* video source inputs.
*The maximum number of video sources that can be
displayed simultaneously is determined by the
rectangulation limit of the Output Cards (for further details see page 74).
For full technical data on the ES3311-2 Input Card, including connector pin-outs, see page 99.