Specifications

SDM-300L3 Satellite Modem Revision 0
Specifications MN/SDM300L3.IOM
15–20
15.7.14 Receive Input Power (Composite)
The modem can operate to its specified performance under all the following conditions:
• The sum of all carriers is ≤ -5 dBm.
• The sum of all carriers within 10 MHz from the desired is ≤ +30 dBc.
• The sum of all carriers is ≤ +40 dBc with respect to the desired carrier for symbol
rates ≤ 64 Ks/s.
• The sum of all carriers is ≤ +50 dBc with respect to the desired carrier for symbol
rates ≥ 64 Ks/s.
15.7.15 Demodulator Input Shape
The modem can be set to match any of the following spectral mask specifications.
• Closed net (Comtech EF Data)
• Closed net (Comstream)
• Closed net (Fairchild compatible)