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SDM-9000 Satellite Modem
RX DATA PHASE
SCRAMBLER TYPE
DESCRAMBLER TYPE
FRAMING STRUCTURE
IDR BACKWARD ALARM
CONTROL
INTERFACE MODULE
FIRMWARE
INTERFACE FPGA
FIRMWARE
Rev.4
Allows the user to invert RX data going to the terrestrial
network.
←
→
On entry, press [
] or [
] to select Normal or Inverted. Press
[ENTER] to execute the change.
Note: This menu is only available for the ECL, PECL, or
MIL-STD-188 interface.
Programs the scrambler for the following types of operation:
• IDR (per IESS-308)
• V.35 (per CCITT V.35)
• EFD (SDM-450 compatible)
On entry, the current status of the scrambler is displayed.
←
→
Press [
] or [
] to select the type. Press [ENTER] to execute
the change.
Programs the descrambler for the following types of operation:
• IDR (per IESS-308)
• V.35 (per CCITT V.35)
• EFD (SDM-450 compatible)
On entry, the current status of the descrambler is displayed.
←
→
Press [
] or [
] to select the type. Press [ENTER] to execute
the change.
Displays the currently selected framing type and structure of
the data.
Framing Type
6312
8448
32064
34368
44736
51840
Controls IDR monitor and alarm functions when not using a
communications link. Allows the user to select ON or OFF for
the RX and TX alarms.
←
→
Press [
] or [
] to select BW alarm RX or TX numbers
1 through 4. Press [ENTER] to execute the change.
Displays the current version of the interface module firmware.
The display includes the month, day, and year.
Displays the current firmware installed in the interface field
programmable gate array. The display includes the month,
day, and year.
Framing Structure
NONE, G.704, G.743, or G.747
NONE, G.704, G.742, or G.745
NONE or G.752
NONE, G.751, or G.753
NONE or G.752
NONE or STS-1
Operation
4–43
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