Comtech EF Data SDM-9000, Инструкция по установке и эксплуатации

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Operation SDM-9000 Satellite Modem
4–18 Rev. 4
RX DATA FAULT RX data fault. This configuration function is used to select an RX
interface fault monitor of:
•
NONE
•
AIS
•
DATA
The data monitored for RX data is coming from the satellite. Refer
to TX data fault for a description of the function choices.
On entry, the current RX data fault that is being monitored is
displayed. Press [
←
] or [
→
] to select Data, AIS, or None. Press
[ENTER] to execute the change.
TX 2047 PATTERN
(Test Mode
Configuration Option) Programs the TX to insert a 2047 pattern in lieu of the normal TX
data.
On entry, the current status is displayed. Press [
←
] or [
→
] to select
ON or OFF. Press [ENTER] to execute the change.
RX 2047 PATTERN
(Test Mode
Configuration Option) Programs the modem to RX a 2047 pattern as the normal RX data,
and allows the BER monitor to work on that 2047 pattern.
On entry, the current status is displayed. Press [
←
] or [
→
] to select
ON or OFF. Press [ENTER] to execute the change.
SERVICE CHANNEL This configuration function is used to set service channel audio
levels b10.0 and -20.0 dBm.
On entry, press [
←
] or [
→
] to select the desired service channel:
•
TX-1
•
TX-2
•
RX-1
•
RX-2
To adjust the service channel level (+10.0 to -20.0 dBm), press
[ENTER]. Press [
↑
] or [
↓
] to adjust the service channel. Press
[ENTER] to execute the change.
Note: This menu is only available when IDR has been selected for
TX or RX overhead in the Interface Utility menu.