Comtech EF Data SDM-9000 - Manual (Page 91)

SDM-9000 Satellite Modem Operation
Rev. 4 4–17
TX CODING FORMAT 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.
RX CODING FORMAT 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.
SCRAMBLER 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.
DESCRAMBLER 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 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.