CDM-570A/570AL Satellite Modem with Optional Packet Processor
Revision 5
AUPC (Automatic Uplink Power Control) E–2 MN-CDM570A
E.2.1 Target-Eb/No
Set the Eb/No values that you need to keep constant at the remote modem. Do these steps:
1. Enter a minimum value of 0.0 dB. If the Eb/No falls below this value, the AUPC control
will increase the Tx output power, but will never exceed the value determined by the
parameter Max-Range.
2. Enter a maximum value of 14.9 dB. If the Eb/No exceeds this value, the AUPC control
will reduce the Tx output power, but will never drop below the nominal value set.
• The default value is 3.0 dB.
• The resolution is 0.1 dB.
E.2.2 Max-Range
Set how much the modem is permitted to increase the output level, under AUPC control. Do
these steps:
1. Enter a minimum value of 0 dB.
2. Enter a maximum value of 9 dB.
• The default value is 1 dB.
• The resolution is 1 dB.
E.2.3 Alarm
Set the modem behavior when the maximum power limit is reached while under AUPC control. The
two choices are:
• None (no action) – default setting.
• TxALARM (generate a Tx alarm).
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