Technical Specifications
DMD2050 Universal Satellite Modem
7-2
TM110 - Rev. 1.3
7.2 Demodulator
Demodulation
BPSK, QPSK, and OQPSK, 8PSK, 16QAM
IF Tuning Range
50 to 90, 100 to 180 MHz in 1 Hz Steps
L-Band Tuning Range
950 to 2050 MHz in 1 Hz Steps
Impedance
IF, 50 Ohm (75 Ohm Optional)
L-Band, 50 Ohm
Connector
TNC, 50 Ohm
SMA, 50 Ohm, L-Band
Return Loss
IF, 1.5:1
L-Band,
2.0:1
Spectrum
Selectable and Meets MIL-188-165A or INTELSAT IESS
308/309/310 Compliant
Input Level
-55 to +10 dBm
Total Input Power
+20 dBm or +40 dBc (the Lesser)
FEC
Viterbi, K = 7 at 1/2, 3/4 and 7/8 Rate,
Rate Sequential 1/2 Rate, 3/4, 7/8 (Optional)
Trellis
2/3
Turbo Product Code (Optional)
BPSK
21/44
QPSK/OQPSK 1/2, 3/4, 7/8 <20Mbps
QPSK/OQPSK .750, .875 >20Mbps
8PSK/16QAM 3/4, 7/8
<20Mbps
8PSK/16QAM .750, .875
>20Mbp
Legacy Turbo Rates: 0.495, 0.793
Decoder Options
Reed-Solomon INTELSAT (DVB Optional)
Custom (N, K) Reed-Solomon
Descrambler
OM-73, CCITT V.35 or IBS
Acquisition Range
Programmable ±1 kHz to ± 255 kHz
Reacquisition Range
Programmable ±1 Hz to 25000 Hz
Sweep Delay Value
0 to 6000 seconds in 100 msec Steps
7.3 Plesiochronous Buffer
Size
0 msec to 64 msec
Centering
Automatic on Underflow/Overflow
Centering Modes
IBS: Integral Number of Frames
IDR: Integral Number of Multi-Frames
Clock
Transmit, External, Rx Recovered or SCT (Internal)
7.4 Monitor and Control
Ethernet 10 Base-T/Web Browser, Remote RS-485/Terminal RS-232/DMD15 Protocol
Compatible
7.5 DMD2050 Drop and Insert (Optional)
Terrestrial Data
1.544 Mbps or 2.048 Mbps, G.732/733
Line Coding
AMI or B8ZS for T1 and HDB3 for E1
Framing
D4, ESF and PCM-30 (PCM-30C) or
PCM-31 (PCM- 31C) for E1
Time Slot Selection
n x 64 Contiguous or Arbitrary Blocks for Drop or Insert.
Time Slots
TS1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31
Data Rates
64, 128, 192, 256, 320, 384, 512, 640,
768, 960, 1024, 1280, 1536, 1920 Kbps
Efficient D&I
Closed Network, Satellite Overhead 0.4%
Summary of Contents for DMD2050
Page 2: ......
Page 16: ...Table of Contents DMD2050 Universal Satellite Modem xvi TM110 Rev 1 3...
Page 19: ...DMD2050 Universal Satellite Modem Introduction TM110 Rev 1 3 1 1...
Page 25: ...Installation DMD2050 Universal Satellite Modem 2 6 TM110 Rev 1 3...
Page 57: ...Theory of Operation DMD2050 Universal Satellite Modem 3 32 TM110 Rev 1 3...
Page 119: ...User Interfaces DMD2050 Universal Satellite Modem 4 62 TM110 Rev 1 3...
Page 143: ......
Page 177: ...Technical Specifications DMD2050 Universal Satellite Modem 7 26 TM110 Rev 1 3...
Page 180: ...DMD2050 Universal Satellite Modem TM110 Rev 1 3...
Page 181: ......
Page 196: ...DMD2050 Universal Satellite Modem Appendix D TM110 Rev 1 3 D 7...
Page 208: ...DMD2050 Universal Satellite Modem Appendix F TM110 Rev 1 3 F 7...