Product specifications

CDM-710 Broadcast Satellite Modem Revision 11
Appendix A MN/CDM710.IOM
A–34
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command or
Response to
Query
Description of Arguments
Response to
Command
Query
(Instruction
Code and
Qualifier)
Response to Query
A
uto Switch
Mode
ASW= 1 byte Command or Query.
Unit returns the redundancy auto/manual mode of the unit in the form x, where:
0 = Manual
1 = Automatic
Example: ASW=0 (Manual Mode selected)
ASW=
ASW?
ASW*
ASW#
ASW? ASW=x
(See Description of
Arguments)
Tx Output
Impendance
IMP= 1 byte Command or Query.
Tx output impedance in the form x, where:
0=50 Ohm
1=75 Ohm
Example: IMP=0 (Impedance set to 50 Ohms)
Note: Setting Tx Impedence is only possible on 70/140 MHz units.
IMP=
IMP?
IMP*
IMP#
IMP? IMP=x
Tx ASI
Bandwidth
TAB=
2 bytes Command or Query.
Tx ASI Bandwidth in the form sx, where:
s=Defines which interface slot (1 or 2)
x=Defines ASI Bandwidth, where:
0=Wide
1=Narrow
Example: TAB=11 (Narrow bandwidth selected)
TAB=
TAB?
TAB*
TAB#
TAB?s TAB=sx
Tx Alpha Rolloff
TAR= 1 byte Command or Query.
Tx Alpha Rolloff in the form x, where:
0 = 20%
1 = 25%
2 = 35%
Example: TAR=0 (Tx Alpha Rolloff of 20% selected)
TAR=
TAR?
TAR*
TAR#
TAR? TAR=x
Tx Cloc
k
Invert
TCI= 2 bytes Command or Query.
Invert Transmit Clock, where:
s=Defines which interface slot ( 1 or 2 )
x=Invert Transmit Clock, where:
0=Normal
1=Inverted
Note: Command valid Only with HSSI)
Example: TCI = 11 (Inverted TX Clock, Slot 1 selected)
TCI =
TCI?
TCI *
TCI #
TCI?s TCI =sx
(See Description of
Arguments)
Tx Data Invert
TDI= 2 bytes Command or Query.
Invert Transmit Data, where:
s=Defines which interface slot ( 1 or 2 )
x=Invert Transmit Data, where:
0=Normal
1=Inverted
Note: Command valid Only with HSSI
Example: TDI = 111 (Inverted TX Data selected)
TDI =
TDI?
TDI *
TDI #
TDI?sc TDI =sx
(See Description of
Arguments)