Chapter 5
Configuring the Meter
Configure – Channel Plan Tab
DSAM Help User Guide
Rev. 001
83
Table 33
Digital Channel Parameters
Name
Description
Modulation
The process whereby a transmission signal is modi-
fied to carry information. Options are 256 QAM, 128
QAM, 64 QAM and Other.
QAM Standard
A method of combining amplitude modulation with
phase shift modulation that allows for the transfer of
several bits of information at the same time. Options
are DOCSIS and EuroDOCSIS.
Symbol Rate
The symbol rate corresponds to the size and shape
(bandwidth) of the digital signal. The symbol rate
changes to carrier bandwidth if you select “Other”
for Modulation.
Inverted Spec-
trum
Designates whether or not the signal is inverted.
Valid options are Yes and No. The default option is
No.
Table 34
DOCSIS Channel Parameters
Name
Description
Enabled
Whether or not the channel is enabled. Options are
Yes and No.
Type
The channel type. Options are TV, Single, Dual,
DIG and DOCSIS.
Channel Number
The number assigned to the frequency.
Label
A user-defined distinctive label used to identify the
channel. The label associates the channel’s number
to programming. The label is displayed to the left of
the channel number on most screens.
Frequency
The rate at which the signal pattern is repeated.
Modulation
The process whereby a transmission signal is modi-
fied to carry information. Options are 256 QAM, 128
QAM, 64 QAM and Other.
QAM Standard
A method of combining amplitude modulation with
phase shift modulation that allows for the transfer of
several bits of information at the same time. Options
are DOCSIS and EuroDOCSIS.
21128026 R001 DSAM Help User Guide.book Page 83 Thursday, February 5, 2009 2:02 PM
