SLM-5650 Satellite Modem Revision 2
Introduction MN/SLM5650.IOM
1–9
Table 1-1. System Specification (Continued)
Demodulator Specification
Input Power:
Desired Carrier
Maximum Composite
+10 to –55 dBm
+20 dBm or +40 dBc
Input Impedance 50 Ω
Input Connectors TNC for 52 to 88, 104 to 176
Type N for 950 to 2000 MHz
Carrier Acquisition Range ± 30 kHz, selectable
Input Return Loss -14 dB (70/140 MHz)
-9 dB (L-Band)
Buffer Clock INT, Tx Terrestrial, Rx Satellite
Doppler Buffer 32 to 4,194,304 bits, selectable in bits or mSec
Coding Options
Uncoded 1/1
Viterbi K=7, 1/2, 3/4, and 7/8 rates
Viterbi + Reed-Solomon Closed Network, per IESS-308, and IESS-309
Trellis IESS-310
Trellis + Reed-Solomon IESS-310
Turbo Turbo Product Coding (TPC), per IESS-315
Open Network Options
IDR INTELSAT IESS-308 (Framing only)
INTELSAT IESS-310 (Framing only)
IBS INTELSAT IESS-310 (Framing only)
INTELSAT IESS-309 (Framing only)