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SDM-300A Satellite Modem
A.1.1 FAST System Theory
FAST is an enhancement feature available only in Comtech EFData products, enabling
on-location upgrade of the operating feature set—in the rack—without removing a
modem from the setup. When service requirements change, the operator can upgrade the
topology of the modem to meet those requirements within minutes after confirmation by
Comtech EFData. This accelerated upgrade can be accomplished only because of FAST's
extensive use of programmable devices incorporating Comtech EFData-proprietary signal
processing techniques. These techniques allow the use of a unique access code to enable
configuration of the available hardware. The access code can be purchased at any time
from Comtech EFData. Once obtained, the access code is loaded into the unit through the
front panel keyboard or the rear remote port.
With the exclusive FAST technology, operators have maximum flexibility for enabling
functions as they are required. FAST allows an operator to order a modem precisely
tailored for the initial application, reducing risk and cost overruns during the application
integration process.
A.1.2 Implementation
FAST is factory-implemented in the modem at the time of order. Hardware options for
basic modems can be ordered and installed either at the factory or in the field. The
operator can select options that can be activated easily in the field, depending on the
current hardware configuration of the modem.
A.1.2.1
Activation Procedure
1. Obtain Modem serial number as follows:
Rev. 4
a. Press [CLEAR] to return to the Main menu.
b. Use [←] and [→] to select Function Select menu.
c. Press [ENTER].
d. Use [←] and [→] to select Utility Modem Type menu.
e. Press [ENTER].
f. Use [←] and [→] to select Modem Serial # menu.
g. Record serial number:
Options
A–3
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