Comtech EF Data SDM-9000, Installation And Operation Manual

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Operation SDM-9000 Satellite Modem
4–14 Rev. 4
SDM-9000 "TYPE"
VER: 6.1.1
FUNCTION SELECT
CONFIGURATION
CONFIGURATION
INTERFACE
TX CLOCK PHASE EXT-REF FREQ BUFFER CLOCK BUFFER SIZE
BUFFER CENTER RX CLOCK PHASE
NORMAL
INVERT
ECL, PECL, or MIL-STD-188
interface only.
1544.000 to 51840.000 kHz
Steps of 8 kHz or at data
rate if data rate is over
20000.0 kbit/s.
RX (SATELLITE)
INTERNAL CLOCK
EXT CLOCK
TX TERRESTRIAL
Only available when buffer
installed.
2 to 32 ms (steps of 2 ms)
0 (bypass)
Only available when buffer
installed.
YES
NO
Only available when buffer
installed.
NORMAL
INVERT
ECL, PECL, or MIL-STD-188
interface only.
B-BAND LOOPBACK
ON
OFF
INTERFC
LOOPBACK
ON
OFF
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter Information
Key:
LOOP TIMING
ON
OFF
ECL, PECL, or MIL-STD-188
interface only.
TX CODING
FORMAT
AMI
B3ZS
HDB3
Only available when G.703
interface installed.
RX CODING
FORMAT
AMI
B3ZS
HDB3
Only available when G.703
interface installed.
SCRAMBLER
ON
OFF
DESCRAMBLER
ON
OFF
TX DATA FAULT
NONE
AIS
DATA
RX DATA FAULT
NONE
AIS
DATA
TX 2047 PATTERN
ON
OFF
RX 2047 PATTERN
ON
OFF
SERVICE CHANNEL
ADJUST
CHANNEL: TX-1 -5 dBm
CHANNEL: TX-2 -5 dBm
CHANNEL: RX-1 -5 dBm
CHANNEL: RX-2 -5 dBm
Level = +10 to -20 dBm.
IDR overhead only.
Figure 4-5. Configuration Interface Menu