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This is the complete system, consisting of the following: one or more
COM100 (now discontinued) or COM200 chassis, COM120 or SWM units,
an optional gigabit Ethernet switch, and QAM6 cards or alternatively
comercial edge QAMs.
Legacy individual DIRECTV receiver card that fits within a COM200 or
COM360 chassis and is capable of sourcing 2 DIRECTV HD or SD channels.
Legacy individual DIRECTV receiver card that fits within a COM200 chassis
or COM360 and is capable of sourcing 3 DIRECTV SD channels. Software
upgradeable to 2 HD channels with a software upgrade license purchase.
A chassis that can support up to 6 receiver cards and two QAM6 QAM
modulators. This chassis contains an integrated 14 port gigabit Ethernet
switch but does not include other necessary equipment such as edge
QAM devices or RF distribution and signaling electronics. The chassis is
backward compatible with the COM200 chassis used in the COM1000
system and can support both COM24 and COM46 receivers.
Individual DIRECTV receiver card that fits within a COM200 or COM360
chassis and is capable of sourcing 8 DIRECTV HD or SD channels.
Individual DIRECTV receiver card that fits within a COM200 or COM360
chassis and is capable of sourcing 8 DIRECTV SD channels. Software
upgradeable to 8 HD channels with a software upgrade license purchase.
QAM (Quadrature Amplitude Modulation) is the format by which digital
cable channels are encoded and transmitted. An edge QAM is a device
built to carry both video-on-demand and switched digital video streams.
Makers include Technicolor, Arris, Harmonic Inc., Motorola, and
Scientific-Atlanta/Cisco.
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