Demodulator; Plesiochronous Buffer; Dmd20/Dmd20 Lbst Universal Satellite Modem; Monitor And Control - Radyne DMD20 Installation And Operation Manual

Technical Specifications

7.2 Demodulator

Demodulation
IF Tuning Range
L-Band Tuning Range
Impedance
Connector
Return Loss
Spectrum
Input Level
Adjacent Channel Rejection Ratio
Total Input Power
FEC
Decoder Options
Descrambler
Acquisition Range
Sweep Delay Value

7.3 Plesiochronous Buffer

Size
Centering
Centering Modes
Clock

7.4 Monitor and Control

Remote RS-485/Terminal RS-232/Ethernet 10 Base-T
DMD15 Protocol Compatible

7.5 DMD20 Drop and Insert (Optional)

Terrestrial Data
Line Coding
Framing
Time Slot Selection
Time Slots
Data Rates
7-2

DMD20/DMD20 LBST Universal Satellite Modem

BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)
50 to 90, 100 to 180 MHz in 1 Hz Steps
950 to 2050 MHz in 1 Hz Steps
IF, 75-Ohm (50-Ohm optional)
L-Band, 50-Ohm
BNC, 75-Ohm
SMA, 50-Ohm, L-Band or N-type 50-Ohm LBST
IF, 20 dB Minimum
L-Band, 14 dB Minimum
INTELSAT IESS 308/309/310 Compliant
10 x log (Symbol Rate) - 100, ±12 dB
>+10 dBc
-10 dBm or +40 dBc (the Lesser) @ 256 Kbps
Viterbi, K = 7 at 1/2, 3/4 and 7/8 Rate,
Rate Sequential 1/2, 3/4, 7/8 (Optional)
Trellis 2/3
Turbo Product Code (Optional)
0.495 - (32,26) x (32,26) x (4,3)
0.793 - (64,57) x (64,57)
(Turbo Supported at all Modulation Types)
Reed-Solomon INTELSAT (DVB Optional)
CCITT V.35 or IBS (Others Optional)
Programmable ±1 kHz to ± 255 kHz
100 msec to 6000 sec. in 100 msec Steps
0 msec to 64 msec
Automatic on Underflow/Overflow
IBS: Integral Number of Frames
IDR: Integral Number of Multi Frames
Transmit, External, Rx Recovered or SCT (Internal)
1.544 Mbps or 2.048 Mbps, G.732/733
AMI or B8ZS for T1 and HDB3 for E1
D4, ESF and PCM-30 (PCM-30C) or
PCM-31 (PCM- 31C) for E1
n x 64 Contiguous or Arbitrary Blocks for Drop or Insert.
TS1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31
64, 128, 192, 256, 320, 384, 512, 640,
768, 960, 1024, 1280, 1536, 1920 Kbps
TM103 - Rev. 2.5