Promax 26 Manual De Instrucciones página 86

Figure 8.- Channel plan editor. Digital channel configuration parameters.
The parameters to be modified and their value range are described in the
following table:
DESCRIPTION
Channel frequency offset
(Only analogue channels)
System and standard
(Only digital channels)
QAM/QPSK modulation
(Only digital channels)
Symbol transmission rate
(Only digital channels)
Annex ITU-J
In order to modify the rest of the channel plan settings, you must have the
RM-026 software. To exit from Channel Plan Editor, press the BACK option, [F1] or
[F5] from the lower selection box or the main menu access button [13].
c) POWER AT CMTS
This sets the minimum signal level that the CMTS should receive. Permits values
between 20 and 120 dBµV.
d) UNITS
The PROMAX-26 allows selection of level measurement units between dBmV,
dBµV and dBm.
e) MAC ADRESS SELECTION
This validates the MAC code that will be used to identify the device. The
PREDEFINED option sets the code indicated in the following field as valid: MAC
ADDRESS, while MANUAL allows users to modify it using this field.
f) MAC ADDRESS
This allows users to enter the CMAC code that will be used to identify the device.
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PARAMETERS
∆FREQUENCY
SYSTEM
MODULATION
SYMBOL RATE
SYSTEM
USER'S MANUAL. PROMAX-26
VALUES
from — 2.5 to 2.50 MHz
PAL, SECAM or NTSC
B/G, D/K, L, I, M, N
16, 32, 64, 128, 256
1.000 to 7.000
DVB-A, DVB-B, DVB-C
02/2007