Comtech EF Data CDM-625A Installation And Operation Manual page 123

CDM-625A Advanced Satellite Modem
Front Panel Operation
On the bottom line – To edit the Output Power Level, use the
digit of the Tx Output Power Level, and then use the
frequencies of 50-180 MHz, the permitted level range is 0 to –25dBm. For 950-2250 MHz
(L-Band), the range is 0 to –45dBm. Press ENTER when done.
CONFIG: Tx  Power  Mode  AUPC
6.2.1.3.3.1
Appendix C. AUTOMATIC UPLINK POWER CONTROL (AUPC)
The AUPC Output Power Mode Is selectable only when the Tx framing is EDMAC, D&I++, ESC++
or D&I. If IP-ACM is selected, note that a framed mode is not required. Otherwise, if you
attempt to select the Output Power Mode as AUPC, you are blocked from selecting AUPC and a
message displays on the bottom line:
Output Power: Mode= AUPC
! AUPC needs supporting framing mode
With an appropriate framing type selected, the bottom line appears as shown:
Output Power: Mode= AUPC
Target-EbNo-Range
However, with CONFIG: Mode set to IP-ACM mode, the bottom line appears as follows:
Output Power: Mode= AUPC (Manual, AUPC)
Mode/range
◄ ► arrow keys to select Target-EbNo-Range or Mode/range (when in IP-ACM mode),
Use the
or Alarm Action, and then press ENTER.
CONFIG: Tx  Power  Mode  AUPC  Target-EbNo-Range
Minimum EbNo of Remote Modem = 5.0dB
Max Permitted Power Increase = 9dB ()
On the top line – To edit the Target Eb/No of the remote modem, use the
select a digit to edit, and then use the
3.0 dB. The upper limit is 14.9 dB.
On the bottom line – To edit the maximum permitted increase in power level when in AUPC
Mode, use the
change that digit. Press ENTER when done. The default value is 3 dB. The upper limit is 9 dB,
except when CnC Mode is ON – the upper limit value is instead 6 dB.
Alarm Action
▲▼
◄ ►
arrow keys to select a digit to edit, and then use the
◄ ►
arrow keys to change that digit. For Tx
▲▼
(Manual,AUPC)
(Manual,AUPC)
Alarm-Action
()
arrow keys to change that digit. The default value is
6–15
Revision 0
MN-CDM625A
arrow keys to first select a
!
()
◄ ► arrow keys to
arrow keys to
▲▼