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CDM-625 Advanced Satellite Modem
Front Panel Operation
5.4.3.2
CONFIG: Tx
Tx-IF Frequency:
Select each digit of the frequency to be edited using the
using the
▲ ▼
•
•
The resolution is 100Hz.
If an LO-frequency has been configured, via the ODU menus, this menu shows a second line, e.g.:
Tx-IF Frequency:
(LO:12500 MHz
As the IF frequency is edited, the Satellite frequency updates accordingly.
Satellite Frequency = LO +/- IF frequency, where the sign +/- is determined by the LO mix
parameter.
5.4.3.3
CONFIG: Tx
Output Power: Mode= Manual (Manual,AUPC)
Select the parameter to edit using the
or AUPC – using the
◄ ►
the
arrow keys. Edit the value of the digit using the
complete, press ENTER.
For Tx frequencies of 50 - 180 MHz, the permitted level range is 0 to –25dBm.
For 950 - 1950 MHz (L-band), the range is 0 to –45dBm.
If the Tx framing is EDMAC, or D&I++, or ESC++ or D&I, the power mode of AUPC may be
selected. See Chapter 8. AUTOMATIC UPLINK POWER CONTROL for more information
about the AUPC feature. The lower line indicates:
Output Power: Mode= AUPC
Target-EbNo-Range
◄ ►
Use the
arrow keys to select either Target-EbNo-Range or Alarm-Action, then press
ENTER.
Freq (Frequency)
arrow keys, then press ENTER when done. The available frequency ranges are:
50 - 180 MHz, and
950 - 1950 MHz (L-band) - FAST Option.
Sat:14250.0000 MHz) (34v)
Power
Level= –20.0 dBm
arrow keys. Move the cursor to a digit of the Tx Power Level using
▲ ▼
0050.0000 MHz
◄ ►
1750.0000 MHz
◄ ►
arrow keys. Edit the output level mode – MANUAL
▲ ▼
(Manual,AUPC)
Alarm-Action
5–11
MN-0000036 (Ref MN/CDM625.IOM)
(34v)
arrow keys. Edit the value of the digit
(34v)
arrow keys. When editing is
(34v)
Revision 1
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