Comtech EF Data RCS10 - Manual (Page 240)

Spectrum: INTELSAT IESS-308/309 Compliant
Signal Input Range: -45 dBm
±
10 dB
Adjacent Channel
Rejection Ratio: > +14 dBc
Absolute Maximum
Total Input Power: Maximum Composite Power
Decoder: Viterbi, K=7 (Sequential optional)
Code rates: 1/2, 3/4, and 7/8 Rate
Descrambler: CCITT V.35 or IBS (Others optional)
Time for 90% <2 seconds for data rates > 512 Kbps
Probability of Lock: <10 seconds for data rates < 512 Kbps
Acquisition Range: Programmable
±
1 KHz to
±
42 KHz
Sweep Delay Value: 100 msec to 299.9 sec. 100 msec. steps
DMD10 Modem BER Performance
BER vs. E
b
/N
o
Guaranteed E
b
/N
o
(dB)
Rate 1/2 FEC Rate 3/4 FEC
10 -3 4.2 5.3
10 -6 6.1 7.6
10 -7 6.7 8.3
10 -8 7.2 8.8
10 -10 9.0 10.3
Plesiochronous Buffer
Size: 2 Kbits to 256 Kbits
Centering: Automatic on Underflow/Overflow
Centering Modes: IBS: Integral Number of Frames
IDR: Integral Number of Multiple-Frames
Clock: Transmit clock bit rate, External BNC input clock, recovered demodulator
clock, or SCT clock.
Monitor and Control