w w w . t e c h n i c o l o r . c o m / m c s
10.2 QAM6 Settings and Configuration
The QAM6 card is controlled by any of the COM46 cards via Ethernet. The QAM6 card has a
fixed IP address = 192.168.6.“Chassis ID” + 1. An arbitrary alternate address can be assigned.
QAM output channels have a destination port of QAM Channel *16 + subchannel number.
The screen in Figure 60 shows the status of each channel. The RF groups are labeled Qam1-
Qam12.
Each RF channel can have up to 8 subchannels or programs. If a subchannel is active, its bit rate
will be shown. Bitrates are static snapshots.
The lower portion of the screen controls the RF output configuration and provides SW upgrade
capability.
12 RF output channels are defined in 3 groups of 4.
Each group of 4 is in a fixed channel sequence starting with the base channel. Each group’s base
channel can be set according to the North American Cable Television Frequency plan.
Each RF channel can be individually turned on or off.
Each channel must be frequency adjacent and within the same band per the North American Cable
Television Frequency Plan.
See
EIA standard EIA-542B
or
http://www.jneuhaus.com/fccindex/cablech.html
To Next Page
Loading...
Need help?
General