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Comtech EF Data OM20 User Manual

Page 193

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OM20 Universal Outdoor Modem

Appendix E

MN-OM20– Revision 5

E–11


Under Demodulator:

Under Demod Data:

Set Data Rate = 1536000

Set Conv Enc = 3/4 Rate VIT


Under Demodulator:

Set Network Spec. = Drop & Insert


Under Interface:

Under RX Setup:

Set Buff Size to desired depth

Under Rx D&I:

Set Insert Mode = T1-D4

Set T1 E1 Frm Src = External
Use SATCh TS edit capability to define proper mapping of Satellite Channels to

insert Terrestrial Slots

For Satellite Channels that are not to be inserted, enter “NI” (No Insert) for the

Terrestrial Slot

Use Map Copy to copy Rx Edit to Rx Active


Under Demodulator:

Under Demod IF:

Set Frequency to desired value.