B.3.3 interface – Comtech EF Data SDM-9000 User Manual
Page 224
Remote Control Operation
SDM-9000 Satellite Modem
B–6
Rev. 4
RF
Loopback
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
IF
Loopback
Command:
Response:
Status:
Response:
Where: xxx = ON or OFF.
Bit Error
Rate
Threshold
Command:
Response:
Status:
Response:
Where: xxxx = NONE or 1
-n
(where n = 3, 4, 5, 6, 7, or 8
[exponent of threshold]).
Reed-
Solomon
Decoder
Enable
Command:
Response:
Status:
Response:
Where: xxx = ON, OFF, or CORR_OFF.
Note: If the Reed-Solomon Option is not installed, only 'OFF'
will be allowed.
Sweep
Width
Range
Command:
Response:
Status:
Response:
Where: nnnnn = 0 to 120000, in 1 Hz steps.
Demodulato
r Spectrum
Rotation
Command:
Response:
Status:
Response:
Where: xxxx = NRM (normal spectrum) or INV (inverted
spectrum).
B.3.3 Interface
Transmit
Clock
Phase
Command:
Response:
Status:
Response:
Where: xxx = NRM (normal clock phasing) or INV (inverted
clock phasing).
External
Reference
Frequency
Command:
Response:
Status:
Response:
Where: nnnnn.nnn = 1544.000 to 51840.000 (steps of 8 kHz if
data rate is under or equal to 20000.0 kbit/s or at data rate).
Buffer Clock
Command:
Response:
Status:
Response:
Where: xxx = INT (internal SCT clock), EXT (external TX
terrestrial clock), SAT (receive satellite clock), or REF (external
reference clock).
Note: If the OPERATION MODE is set for RX_ONLY (non-
G.703 interface only), 'INT' will not be allowed.
Interface
Buffer Size
Command:
Response:
Status:
Response:
Where: nn = 0 to 32 (in 2 millisecond steps).