Comtech EF Data CDM-570 - Manual (Page 384)

CDM-570/570L Satellite Modem with Optional IP Module Revision 12
Appendix D MN/CDM570L.IOM
D–34
D.6.6 LNB Commands and Queries (CDM-570L 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.
Attach LNB Alarm to Rx Alarm, where:
0 = No
1 = Yes
Example: 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.
LNB upper alarm limit for current, in mA, in the form xxx, where:
xxx = current value between 50 and 600
Example: LCH=450 LCH=
LCH?
LCH*
LCH#
LCH? LCH=xxx
(see Description of
Arguments)
LNB Low current
limit LCL= 3 bytes Command or Query.
LNB lower alarm limit for current, in mA, in the form xxx, where:
xxx = current value between 10 and 400
Example: LCL=050 LCL=
LCL?
LCL*
LCL#
LCL? LCL=xxx
(see Description of
Arguments)
LNB Current N/A 3 bytes Query only.
Indicates the value of the LNB Current, in mA, in the form xxx, where:
xxx = current value between 0 and 999
If not available, response is 000.
Example: 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.
Value of LNB Voltage is returned, in the form xx.x, where:
xx.x = voltage value between 0 and 30.0
If not available, response is 00.0.
Example: 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.
0=Disable LNB Reference
1=Enable LNB Reference
Example: LFR=0 (LNB 10 MHz reference off) LFR=
LFR?
LFR*
LFR# LFR? LFR=x
(see Description of
Arguments)