Cisco Cisco OptoStar II Driver Amplifier Guida All'Installazione
Operating using ICIM LCD, Continued
Sub-menu 4 -- Channel Load
The illustration below shows sub-menu 4 of the OptoStar II 1550 nm DWDM
forward direct modulation transmitter module - Channel Load.
forward direct modulation transmitter module - Channel Load.
Channel number range:
•
In NTSC system, the range of analog channel number is 0 to 30; the range of
QAM channel number is 0 to 153; and the range of delta level is 0 to 10.
QAM channel number is 0 to 153; and the range of delta level is 0 to 10.
•
In PAL D/K system, the range of analog channel number is 0 to 30; the range of
QAM channel number is 0 to 114; and the range of delta level is 0 to 10.
QAM channel number is 0 to 114; and the range of delta level is 0 to 10.
Please enter the correct analog and QAM channel numbers and delta level based
on the actual application, otherwise the RF input value of the 1550 nm DWDM
forward direct modulation transmitter module will be inaccurate, and the AGC
function won’t work properly. If the digital signal contains broadcast RF input
port input and narrowcast RF input port input, the QAM number is equal to the
broadcast RF input port input signal channel number plus the narrowcast RF
input port input signal channel number.
The channel load default settings are: 30 for analog channel number; 85 for QAM
channel number; and 6.0 dB for delta level. The cursor stays in the “Analog
Number” field by default.
on the actual application, otherwise the RF input value of the 1550 nm DWDM
forward direct modulation transmitter module will be inaccurate, and the AGC
function won’t work properly. If the digital signal contains broadcast RF input
port input and narrowcast RF input port input, the QAM number is equal to the
broadcast RF input port input signal channel number plus the narrowcast RF
input port input signal channel number.
The channel load default settings are: 30 for analog channel number; 85 for QAM
channel number; and 6.0 dB for delta level. The cursor stays in the “Analog
Number” field by default.
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OL-29668-02
Operation
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