Comtech-ef-data OM20 User Manual download pdf (Page 104)

OM20 Universal Outdoor Modem Web Browser/Remote Protocol

MN-OM20– Revision 5 6–30

Spectrum Mask: Intelsat

For Data Rates < 1.544 Mbps

Framing Type: 1/15 (IBS)

Descrambler Type: IESS-309

Spectrum Mask: Intelsat

IBS:

(IESS-309)

For Data Rates < 2.048 Mbps

Framing Type: 1/15 (IBS)

Descrambler Type: IESS-309

Spectrum Mask: Intelsat

Drop & Insert:

Data Rates: n x 64, n = 1, 2, 3, 4, 5, 6, 8, 10, 12, 15,

16, 20, 24, 30

Framing Type: 1/15 (IBS)

Descrambler Type: IESS-309

Spectrum Mask: Intelsat

DVB:

Data Rates: All Rates

Framing Type: DVB

Scrambler Type: DVB

Spectrum Mask: DVB 0.25, 0.35

Closed Net:

All possible combinations allowed, however, DVB settings

requires the DVB network spec.

Strap Code: The Strap Code is a quick set key that sets many modem

parameters. Consult the strap code guide for available strap

codes. Parameters set by strap code:

Data Rate

Inner Code Rate

Satellite Framing

Scrambler

Drop and Insert

Outer Code Rate (Reed-Solomon)

Modulation

Network Spec

Frequency (MHz): {950 – 2050 MHz}

Allows the user to enter the Modulator IF Frequency in 1 Hz

increments.

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 219 220

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Comtech-ef-data OM20 User Manual Page 104