Comtech EF Data CDM-710 Installation And Operation Manual page 230

CDM-710/L Broadcast Satellite Modem
Serial Interface Operation
Controller-to-Target
Instruction Code & Qualifier
Parameter
Type
Command Query
Tx ASI TAB= TAB?s
Bandwidth
Tx Alpha TAR= TAR?
Rolloff
Tx Clock TCI= TCI?s
Invert
Tx Data Invert TDI= TDI?sc
Tx Data Rate N/A TDR?
Tx Frequency TFQ= TFQ?
Number of
Arguments for
Command or
(Note that all arguments are ASCII numeric codes from 48 and 57)
Response to
Query
2 bytes Command or Query.
Sets or returns the CDI-40 Tx ASI Bandwidth in the form sx, where:
s=1 (Interface Slot 1 only)
x=ASI Bandwidth, where 0=Wide, 1=Narrow
COMMAND EXAMPLE: <0001/TAB=11{cr} (sets Narrow bandwidth)
1 byte Command or Query.
Sets or returns the Tx Alpha Rolloff in the form x where:
0=20%
1=25%
2=35%
COMMAND EXAMPLE: <0001/TAR=0{CR} (sets as 20%)
2 bytes Command or Query.
Sets or returns the Invert Transmit Clock in the form sa where:
s=1 (Interface Slot 1 only)
a=0 (Normal), 1 (Inverted)
NOTE: Valid only for CDI-60 HSSI operation.
COMMAND EXAMPLE: <0001/TCI=11{CR} (sets Intfc #1, inverted)
2 bytes Command or Query.
Sets or returns Invert Transmit Data in the form sa where:
s=1 (Interface Slot 1 only)
a=0 (Normal), 1 (Inverted)
NOTE: Valid only for CDI-60 HSSI operation.
COMMAND EXAMPLE: <0001/TDI=11{CR} (sets Intfc #1, Inverted)
10 bytes Query only.
Returns the Composite Tx Data rate in the form xxxxxx.xxx where:
xxxxxx.xxx=rate in ksps.
EXAMPLE: <0001/TDR=002047.999{CR} (sets as 2047.999 kbps)
9 bytes Command or Query.
Sets or returns the Tx Frequency in the form xxxx.xxxx where:
xxxx.xxxx=frequency in MHz, in 100 Hz steps:
CDM-710 (70/140 MHz) Modulator: 52-88 MHz and 104-176 MHz
CDM-710L (L-Band) Modulator: 950-1950 MHz
COMMAND EXAMPLE: <0001/TFQ=0950.0000{CR} (sets as 950 MHz)
9–22
Description of Arguments
MN/CDM710.IOM
Revision 12
Target-to-Controller
(See Description of Arguments)
Response to Response to
Command Query
TAB= TAB=sx
TAB?
TAB*
TAB#
TAR= TAR=x
TAR?
TAR*
TAR#
TCI = TCI =sa
TCI?
TCI *
TCI #
TDI = TDI =sa
TDI?
TDI *
TDI #
TDR? TDR=xxxxxx.xxx
TDR*
TDR#
TFQ= TFQ=xxxx.xxxx
TFQ?
TFQ*
TFQ#