Comtech EF Data CDM-550T - Manual (Page 58)

CDM-550T Satellite Modem Revision 3
Front Panel Operation MN/CDM550T.IOM
(CONFIG: REM
Æ INTFC Æ ADDR) RS485 BUS ADDRESS:
Edit the RS-485 bus address of this unit. This is accomplished by selecting the
digit to be edited, using the [
←] [→] arrow keys. The value of the digit is then
changed using the [
↑] [↓]arrow keys. The user should then press ENTER. The
valid range of addresses is from 1 to 9999.
EDIT UNIT'S BUS ADDRESS:
0245 (PRESS ENTER)
6.2.3.5 (CONFIG:) MASK (Alarm mask)
Select AGC, Eb/No, RX-AIS, BUF-SLIP, or TX-AIS, using the [
←] [→] arrow keys, then press
ENTER.
One of the following sub-menus will be displayed:
ALARM MASK: AGC Eb/No
RX-AIS BUF-SLIP TX-AIS
6.2.3.5.1 (CONFIG: MASK) AGC
Select either ACTIVE or MASKED, using the [
←] [→] arrow keys, then press ENTER.
If the user selects ACTIVE, then a Receive Traffic fault will be generated whenever the
demodulator senses that the composite input level being applied will cause compression in the IF
stages, and hence degrade the performance of the demodulator.
If the user selects MASKED, no alarm will be generated.
SELECT AGC ALARM MASK:
ACTIVE MASKED(PRESS ENT)
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