Comtech EF Data CDM-550T - Manual (Page 60)

CDM-550T Satellite Modem Revision 3
Front Panel Operation MN/CDM550T.IOM
6.2.3.5.5 (CONFIG, MASK) TX-AIS
Select either ACTIVE or MASKED, using the [
←] [→] arrow keys, then press ENTER.
If the user selects ACTIVE, then a Transmit Traffic fault will be generated whenever the transmit
circuitry senses that the ‘all 1’s” condition is present in the transmit data.
If the user selects MASKED, no alarm will be generated .
SEL TX-AIS ALARM MASK:
ACTIVE MASKED(PRESS ENT)
6.2.3.6 (CONFIG:) IMPED (IF impedance)
Select either 50 or 75
Ω, using the [←] [→] arrow keys, then press ENTER.
SELECT IF IMPEDANCE:
50 OHMS 75 OHMS (ENTER)
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