Comtech EF Data SDM-300L - Manual (Page 50)

SDM-300L Satellite Modem Operation
Rev. 2 3–9
TX TERRESTRIAL
SCT (INTERNAL
EXT. CLOCK
SDM300L "TYPE"
VER: X.X.X
FUNCTION SELECT
CONFIGURATION
CONFIGURATION
INTERFACE
TX CLOCK SOURCE TX CLOCK PHASE EXT-CLK FREQ BUFFER CLOCK
BUFFER SIZE BUFFER CENTER
LOOP TIMING
AUTO
NORMAL
INVERT
8kHz to 10 MHz
RX (SATELLITE)
SCT (INTERNAL)
EXT. CLOCK
TX TERRESTRIAL
INSERT CLOCK
32 to 262144 bit/s
(16 bit steps)
1 to 9 mS
0 (Bypass)
Yes
No
OFF
ON
TX CODING
FORMAT
AMI
B8ZS
HDB3
TX G.703 only
RX CODING
FORMAT
AMI
B8ZS
HDB3
RX G.703 only
TX DATA FAULT RX DATA FAULT
NONE
AIS
DATA
Overhead only
NONE
AIS
DATA
Overhead only
TX 2047 PATTERN
ON
OFF
RX 2047 PATTERN
ON
OFF
B
ACCESS TO
SUBMENU
CONDITIONAL OR
OPTION-DEPENDENT
Parameter
Information
INTERFACE
LOOPBACK
OFF
ON
Overhead/RS only
RX CLOCK PHASE B-BAND LOOP BACK
NORMAL
INVERT
ON
OFF
Key:
Note: EXT CLK: TX data rate
and EXT-CLK FREQ must match
or ASLT option installed.
Note: TX/RX data rate must
matchorASLT option installed.
Figure 3-6. Configuration Interface Menu