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16.8 Connection to the COM2000
Mounting
The ATSC-8 is rack mountable and can be easily mounted in the same location as the
COM2000 system. It is recommended that at least 1RU of space be left between the ATSC-8,
the COM2000, and any other components so that each component will receive good air-flow in
the mounting location.
Connecting an Antenna
The ATSC-8 has 4 RF connectors for inputting antenna signals to the 4 dual tuners. Connect the
antenna input into a 2 GHz 4-way splitter with the outputs of the splitter going to each of the RF
connectors on the ATSC-8. In some locations an amplifier may be required between the antenna
and splitter for best reception.
Connecting the Network
The ATSC-8 has 4 Ethernet connectors for outputting the IP video streams. Connect each of the
4 Ethernet connectors to an external Gigabit Switch with at least 5 open ports. Connect the 5
th
port from the 5-port gigabit switch to one of the two Gigabit Ethernet ports on the COM360
chassis.
Refer to Figure 89 for connection details
NOTE: ATSC channels typically have much higher bitrates than DIRECTV HD channels with
data rates around 14-18 Mbits/s. In order to send 8 channels to the QAM6, the Gigabit Ethernet-
1 port must be used to insure that the data is received.
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