Comtech EF Data CDM-570A - Manual (Page 295)

CDM-570A/570AL Satellite Modem with Optional Packet Processor MN-CDM570A
Serial-based Remote Product Management Revision 2
8–55
8.3.9 LNB (L-Band Low-noise Block Down Converter) Commands and Queries (CDM/R-570AL ONLY)
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
Attach LNB Alarm
to Rx Alarm
ALA= 1 byte,
value of 0 or 1
Command or Query.
Sets or returns LNB Alarm-to-Rx Alarm attachment, where:
0 = No
1 = Yes
Example: <0/ALA=1 (Attach LNB Alarm to Rx Alarm)
ALA=
ALA?
ALA#
ALA? ALA=x
(see Description of
Arguments)
LNB High current
limit
LCH= 3 bytes Command or Query.
Sets or returns LNB upper alarm limit for current, in mA, in the form xxx, where:
xxx = current value from 50 to 600
Example: <0/LCH=450
LCH=
LCH?
LCH*
LCH#
LCH? LCH=xxx
(see Description of
Arguments)
LNB Low current
limit
LCL= 3 bytes Command or Query.
Sets or returns LNB lower alarm limit for current, in mA, in the form xxx, where:
xxx = current value from 10 to 400
Example: <0/LCL=050
LCL=
LCL?
LCL*
LCL#
LCL? LCL=xxx
(see Description of
Arguments)
LNB Current N/A 3 bytes Query only.
Returns the value of the LNB Current, in mA, in the form xxx, where:
xxx = current value from 0 to 999
When unavailable, response is 000.
Example: <0/LDC?
>0/LDC=210 (LNB DC current is 210 mA)
N/A LDC? LDC=xxx
(see Description of
Arguments)
LNB Voltage N/A 4 bytes Query only.
Returns the value of LNB Voltage in the form xx.x, where:
xx.x = voltage value from 0 to 30.0
When unavailable, response is 00.0.
Example: <0/LDV?
>0/LDV=24.2 (LNB DC voltage is 24.2 volts)
N/A LDV? LDV=xx.x
(see Description of
Arguments)
LNB Frequency
Reference enable
LFR= 1 byte,
value of 0 or 1
Command or Query.
Sets or returns LNB Frequency Reference controls in the form x, where:
0 = Disable LNB Reference
1 = Enable LNB Reference
Example: <0/LFR?
>0/LFR=0 (LNB 10 MHz reference off)
LFR=
LFR?
LFR*
LFR#
LFR? LFR=x
(see Description of
Arguments)