Config: Msk (Alarm Masking); Config: Alarm Mask) Transmit; Config: Alarm Mask) Receive - Comtech EF Data CDM-570A Installation And Operation Manual

6.3.2.9

CONFIG: Msk (Alarm Masking)

CDM/R-570AL(L-Band) unit:
Alarm Mask: Transmit
Receive Ref BUC LNB (◄ ►)
◄ ►
Use the arrow keys to select Transmit, Receive, Ref, BUC (CDM/R-570ALonly), or LNB
(CDM/R-570ALonly). Press ENTER.
6.3.2.9.1

(CONFIG: Alarm Mask) Transmit

Tx Alarm Mask: Tx-FIFO
G703BPV TxAIS G703LOS ◄ ►
◄ ►
Use the arrow keys to select a parameter. Press ENTER.
Each choice displays a submenu similar to the TX-FIFO submenu:
Tx-FIFO Alarm:
Masked (◄ ►,ENT)
Active
Typical for each Tx Alarm submenu, use the
ENTER.
When you select Masked, the modem generates no alarm. When you select Active, the modem
generates a fault. For example, for the preceding TX-FIFO Tx Alarm Mask, with the mask set to
Active the modem generates a Transmit Traffic fault whenever the transmitter sees that the
Transmit FIFO has slipped.
6.3.2.9.2

(CONFIG: Alarm Mask) Receive

Rx Alarm Mask: AGC Eb/No
Rx-AIS Buffer
◄ ►
Use the arrow keys to select AGC, E
displays a submenu similar to the AGC submenu:
AGC Alarm:
Active Masked (◄ ►,ENT)
Typical for each Rx Alarm submenu, use the
ENTER.
When you select Masked, the modem generates no alarm. When you select Active, the modem
generates a fault. For example, for the preceding AGC Alarm Mask, with the mask set to Active
the modem generates a Receive Traffic fault whenever the demodulator sees that the composite
input level being applied causes compression in the IF stages, and consequently degrades the
performance of the demodulator.
Front Panel Operation
CDM-570A/570AL Satellite Modem with Optional Packet Processor
◄ ►
(◄ ►,ENT)
/N , Rx-AIS, or Buffer. Press ENTER. Each choice
b 0
◄ ►
6–43
CDM-570A (70/140 MHz) unit:
Alarm Mask: Transmit
Receive Ref
arrow keys to select Active or Masked. Press
arrow keys to select Active or Masked. Press
Revision 5
(◄ ►)
MN-CDM570A