Comtech EF Data CDM-Qx, Installation And Operation Manual

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CDM-Qx Satellite Modem Revision 6
Front Panel Operation MN/CDMQx.IOM
Edit the configuration and value of the frequency reference. Values of
Internal 10 MHz,
External 01 MHz, External 02 MHz, External 05 MHz, External 10 MHz, External
20 MHz, Out Int. 10 MHz,
and
Auto
are possible
.
The value is changed using the #$
arrow keys, then pressing
ENTER
.
Two examples are shown below:
Frequency Reference:
Internal 10 MHz ( ▲ ▼ , ENT)
Frequency Reference:
External 05 MHz ( ▲ ▼ , ENT)
5.7.1.8 (Config
%
Mask) - MASK
Alarm Mask: Transmit Receive
Reference BUC LNB ( ◄ ► ,ENT)
Select
Transmit
,
Receive
or
Reference
, using the
◄ ►
arrow keys, then press
ENTER
.
Selecting
Transmit
displays the following submenu:
Tx Alarm Mask: Tx-FIFO
G.703-BPV Tx-AIS (
◄ ► ENT)
Select
Tx-FIFO, G.703-BPV,
or
Tx-AIS
using the ◄ ► arrow keys, then press
ENTER
.
For
each
of the choices a submenu similar to the one shown below will be shown:
Tx-FIFO Alarm:
Active Masked (
◄ ► ENT)
Select
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 transmitter
sees that the transmit FIFO has slipped.
Similarly, the user can mask a G.703 BPV or Transmit AIS alarm.
If the user selects
Masked
, no alarm will be generated.
Selecting
Receive
displays the following submenu:
Rx Alarm Mask: AGC Eb/No
Rx-AIS Buffer ( ◄ ► ENT)
Select
AGC
,
Eb/No
,
Rx-AIS
or
Buffer
using the
◄ ►
arrow keys, then press
ENTER
.
For
each
of the choices a submenu similar to the one shown below will be shown:
AGC Alarm:
Active Masked (
◄ ► ENT)
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