Comtech EF Data CDM-425, Installation And Operation Manual

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CDM-425 Advanced Satellite Modem
Revision 0
Front Panel Operation 6–14 MN-CDM-425
6.2.1.3.3 CONFIG: Tx

Power
Output Power: Mode= Manual (Manual,AUPC)
Level=–20.0 dBm (

)
Use the
◄ ►
arrow keys to select the Output Power Mode (top line) or to edit the Output Power
Level (bottom line). Press ENTER.
On the top line – Use the
▲▼ arrow keys to set the Output Power Mode as MANUAL or AUPC
(see the next section for selection conditions).
On the bottom line – Edit the Output Power Level by using the
◄ ►
arrow keys to select a digit.
Then, use the
▲▼ arrow keys to change that digit. Valid settings are:
Tx Frequency Maximum Output Power Level Minimum Output Power Level
70/140 MHz (50-180 MHz)
(FAST option)
0 dBm –25 dBm
L-Band (950-2250 MHz) 0 dBm –40 dBm
6.2.1.3.3.1
CONFIG: Tx

Power

Mode

AUPC
Appendix C. AUTOMATIC UPLINK POWER CONTROL (AUPC)
Select the AUPC Output Power Mode only when the Tx framing is EDMAC, D&I++ or D&I.
A framed mode is not required when in IP-ACM or V2-ACM mode.
Otherwise, if you attempt to select the Output Power Mode as AUPC, the modem blocks this
selection and displays this message on the bottom line:
Output Power: Mode= AUPC (Manual,AUPC)
! AUPC needs supporting framing mode !
Once you select an appropriate framing type, the bottom line appears as follows:
Output Power: Mode= AUPC (Manual,AUPC)
Target-EbNo-Range Alarm-Action (

)