Comtech EF Data SDM-9000 Installation And Operation Manual page 91

SDM-9000 Satellite Modem
TX CODING FORMAT
RX CODING FORMAT
SCRAMBLER
DESCRAMBLER
TX DATA FAULT
Rev. 4
Programs the TX for the following coding of the baseband data:
• AMI
• B3ZS
• HDB3
On entry, the current coding format is displayed. Press [←] or [→]
to select the desired coding format. Press [ENTER] to execute the
change.
Note: This menu is only available when the G.703 interface is
installed.
Programs the RX for the following coding:
• AMI
• B3ZS
• HDB3
On entry, the current coding format is displayed. Press [←] or [→]
to select the desired coding format. Press [ENTER] to execute the
change.
Note: This menu is only available when the G.703 interface is
installed.
Programs the scrambler on or off.
On entry, the current status of the scrambler is displayed. Press
[←] or [→] to select ON or OFF. Press [ENTER] to execute the
change.
Programs the descrambler on or off.
On entry, the current status of the descrambler is displayed. Press
[←] or [→] to select ON or OFF. Press [ENTER] to execute the
change.
TX data fault. This configuration function is used to select a TX
interface fault monitor of:
• NONE
• AIS
• DATA
None Mode:
The TX interface fault Data/AIS is not activated.
AIS Mode:
Sets TX interface fault Data/AIS to monitor a fault condition of all 1s
from customer data input to the modem.
Data Fault Mode:
Sets TX interface fault Data/AIS to monitor a fault condition of all 1s
or all 0s. This is referred to as a data-stable condition, which means
that the data is not transitioning.
On entry, the current TX data fault that is being monitored is
displayed. Press [←] or [→] to select Data, AIS, or None. Press
[ENTER] to execute the change.
Operation
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