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10 QAM6
10.1 QAM6 Overview
The QAM6 card is an Edge QAM that is installed directly into a COM360 chassis. It
connects to the COM46 cards via a GigE connection on the back edge of the card.
The board provides 12 QAM modulators in addition to the front 100mbps Ethernet port,
which can be used to manage the COM2000 system.
Each QAM channel can carry up to 3 HD or 8 SD video channels. When shipped from the
factory the QAM6 boards will only permit six QAM carriers to be active at a time. To
increase the number of QAM carriers, additional SWQAM2 licenses must be purchased from
your distributor and downloaded to the QAM6. Each license enables 2 more QAM carriers
per board up to a total of 12 carriers.
A COM360 chassis fully populated with COM46 receivers (48 channels total) requires 16 QAM
channels (3 HD channels per QAM). This requires 2 QAM6 modulators (12 QAMS) plus 2
additional SWQAM2 upgrade licenses. Additional SWQAM2 upgrades can be purchased for a
maximum of 24 QAM channels. These can be utilized for additional services such as ATSC-8, or
externally sourced video streams.
A front view of the QAM6 can be seen in Figure 59 below in figure.
Figure 59- QAM6
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