Radyne OM20 Specifications download pdf (Page 107)

OM20 Universal Outdoor Modem Web Browser/Remote Protocol

MN-OM20– Revision 5 6–33

Data Rate (bps): {Refer to Technical Specs for Data Rates}

Allows the user to set the Data Rate in bps steps via the Front

Panel Arrows or Keypad.

Symbol Rate (sps): Allows the user to view the Symbol Rate.

INNER FEC Viterbi {1/2, 3/4, 7/8, None}

Optional FEC Rates:

Sequential {1/2, 3/4, 7/8}

Trellis 8PSK {2/3}

Turbo ≤ 5 Mbps {.793, .495}

Turbo ≤ 20Mbps {1/2, 3/4, 7/8}

Comstream Seq {3/4}

DVB VIT {1/2, 2/3, 3/4, 5/6, 7/8}

DVB Trellis {2/3, 5/6, 8/9}

Allows the user to select the Rx Code Rate and Type.

TPC Interleaver {DISABLED, ENABLED}

Allows the user to disable or enable TPC Interleaver. Valid only

for Radyne turbo codes TPC.495 and TPC.793.

Differential Encoding {ENABLED, DISABLE}

Allows the user to enable or disable the Differential Decoder.

Having the decoder enabled ensures proper phase lock. May not

be adjustable in some modes.

Scrambler Selection {NONE, V.35-IESS, V.35 CITT, V.35 EF, IBS w/Optional

Framing and optional Reed-Solomon, Reed-Solomon

Scrambler w/Optional Framing, CCITT, V.35FC, OM-73,

V.35EF_RS, TPC, DVB, EDMAC}

Allows the user to select the descrambler type.

Scrambler Control {ON, OFF}

Allows the user to enable or disable the descrambler operation.

Satellite Framing {1/15 (IBS), 1/15 (Async), 96 Kbps (IDR), EDMAC,

EFAUPC, SCC, None}

Used with IDR, IBS, or Asynchronous Interface Only.

Allows the user to select the Framing Type.

Terrestrial Framing {NONE, 188, 204} DVB only

Allows the user to select the Receive Terrestrial Framing.

Data Polarity {INV. TERR & BASE, INV. BASEBAND, INV.TERR

DATA, NONE}

Allows the user to invert the Rx Data polarity.

Symbol Pair: Symbol Pair: {NONE, SWAPPED}

Allows the user to swap the I & Q Channels.

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Radyne OM20 Specifications Page 107