Comtech EF Data SDM-9000, Installation And Operation Manual

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SDM-9000 Satellite Modem Operation
Rev.4 4–43
RX DATA PHASE 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.
SCRAMBLER TYPE 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.
DESCRAMBLER TYPE 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.
FRAMING STRUCTURE Displays the currently selected framing type and structure of
the data.
Framing Type Framing Structure
6312 NONE, G.704, G.743, or G.747
8448 NONE, G.704, G.742, or G.745
32064 NONE or G.752
34368 NONE, G.751, or G.753
44736 NONE or G.752
51840 NONE or STS-1
IDR BACKWARD ALARM
CONTROL 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.
INTERFACE MODULE
FIRMWARE Displays the current version of the interface module firmware.
The display includes the month, day, and year.
INTERFACE FPGA
FIRMWARE Displays the current firmware installed in the interface field
programmable gate array. The display includes the month,
day, and year.