Plesiochronous Buffer; Ber Performance; Monitor And Control; Dmd20 Drop And Insert (Optional) - Radyne DMD20 Installation And Operation Manual

Technical Specifications
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 BER Performance

Typical 3/4 Rate
Eb/No Viterbi
3 dB
4 dB
5 dB 1 x 10
6 dB 2 x 10

7.5 Monitor and Control

Remote RS485/Terminal RS232/Ethernet 10baseT
DMD15/DMD2401 Protocol Compatible

7.6 DMD20 Drop and Insert (Optional)

Terrestrial Data
Line Coding
Framing
Time Slot Selection
Time Slots
Data Rates
7-2
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)
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 299.9 sec. in 100 msec. steps
2 msec to 32 msec
Automatic on underflow/overflow
IBS: Integral number of frames
IDR: Integral number of multi frames
Transmit, External, Rx Recovered or SCT (Internal)
1/2 Rate
Viterbi
-5
6 x 10
-4 -6
2 x 10
-6 -8
5 x 10
1.544 Mbps or 2.048 Mbps, G.732/733
AMI or B8ZS for T1 and HDB3 for E1
D4, ESF and PCM30 (PCM 30C) or
PCM31 (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
DMD20 Universal Satellite Modem
3/4 Rate
Viterbi with Turbo 0.793
R-S
3 x 10
-4
2 x 10 1 x 10
-8
1 x 10 < 1 x 10
-10
< 1 x 10 < 1 x 10
Turbo 0.495
-3 -7
1 x 10
-8 -10
< 1 x 10
-10 -10
< 1 x 10
-10 -10
< 1 x 10
TM103 - Rev. 1.1