CDM-625 Advanced Satellite Modem
Revision 1
Front Panel Operation
MN-0000036 (Ref MN/CDM625.IOM)
5.4.11.3
CONFIG: Mask
Æ
Rx-IF
RxIF Alarms: AGC=Active (Active,Mask)
EbNo=Masked
(
34v
)
Use the
◄
►
arrow keys to select the parameter to edit:
AGC
or
EbNo
. Select
Active
or
Masked
using the
▲
▼
arrow keys, then press
ENTER
.
If the user selects
Active
, then an
AGC
fault will be generated whenever the receive signal level
exceeds –20 dBm (for the desired carrier).
If
Active
, an
Eb/No
fault will be generated whenever the demodulator sees the receive
Eb/No
fall
below the pre-determined value. If
Masked
, no alarm will be generated.
5.4.11.4
CONFIG: Mask
Æ
TxClk
Tx Clock Alarm: = Masked (Active,Masked)
(Valid in G.703 & Ext clock modes)
(
v
)
Select
Active
or
Masked
using the
▲
▼
arrow keys, then press
ENTER
.
If the user selects
Active
, a Tx Traffic alarm will be generated if a G.703 interface is active, and
the input is lost or removed, or if another interface type is selected where the Tx Clock mode is
External, and the clock is lost or removed.
If
Masked
, no alarm will be generated.under the conditions outlined above.
5.4.11.5
CONFIG: Mask
Æ
Satellite-Tx Alarms
Process Alarms from (Off,H/W,S/W)
BWA1=Off BWA2=Off BWA3=S/W BWA4=H/W
Select the
Backward Alarm (BWA)
to be edited using the
◄
►
arrow keys. Edit the settings
using the
▲
▼
arrow keys, then press
ENTER
. Select how the
Tx IDR
backward alarm inputs
are to be used. An activated alarm may respond to a hardware input at
P5A (H/W)
or be software
controlled by a receive fault on the modem
(S/W).
5.4.11.6
CONFIG: Mask
Æ
Satellite-Rx Alarms
Process Alarms received from Satellite
BWA1=N BWA2=N BWA3=N BWA4=N (Yes,No)
Select which Receive IDR backward alarms are to be monitored.
5–38
