Radyne OM20 Specifications download pdf (Page 146)

OM20 Universal Outdoor Modem Technical Specifications

MN-OM20– Revision 5 8–2

8.3 Demodulator

Demodulation BPSK, QPSK, and OQPSK (8PSK, 16QAM Optional)

L-Band Tuning Range 950 to 2050 MHz in 1 Hz Steps

Impedance 50-Ohm

Connector N-Type female

Return Loss 10 dB Minimum

Spectrum INTELSAT IESS 308/309/310 Compliant

Input Level 10 x log (Symbol Rate) - 100, ±12 dB

Adjacent Channel Rejection Ratio >+10 dBc

Total Input Power -10 dBm or +40 dBc (the Lesser) @ 256 Kbps

FEC Viterbi, K = 7 at 1/2, 3/4 and 7/8 Rate,

Rate Sequential 1/2, 3/4, 7/8 (Optional)

Trellis 2/3

Radyne Turbo (Optional)

BPSK 21/44

8PSK/16QAM 3/4, 7/8

QPSK 1/2, 3/4, 7/8

(Turbo Supported at all Modulation Types)

Decoder Options Reed-Solomon INTELSAT (DVB Optional)

Descrambler CCITT V.35 or IBS (Others Optional)

Acquisition Range Programmable ±1 kHz to ± 255 kHz

Sweep Delay Value 100 msec to 6000 sec. in 100 msec Steps

8.4 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, Rx Recovered or SCT (Internal)

8.5 Monitor and Control

Remote RS-485/Terminal RS-232/Ethernet 10 Base-T/Web Browser

8.6 OM20 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

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Radyne OM20 Specifications Page 146