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Comtech EF Data LCS-4 User Manual

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LCS-4 L-Band Combiner Switch

Revision 1

Remote Control Operation

MN/LCS4.IOM


A-11

Parameter
Type

Command
(Instruction
Code and
qualifier)

Arguments
for Cmd or
Response
to Query

Description of Arguments
Note that all arguments are ASCII
numeric codes between 48 and 57.

Response to
Command
(Target to
Controller)

Query
(Instruction
code and
qualifier)

Response to query
(Target to Controller)

Select RX
LCS
Function

SRT=

1

byte,

value of 0,1

Command or Query.
SRT Selects whether the LCS-4 will act as a 1:1
redundancy controller or a Combiner for the RX
Where:
0=Combiner
1=Redundancy Controller
Example: SRT=0
Parameter 9 of SGC Command.

SRT=(message ok)
SRT? (received ok,
but invalid
arguments found)
SRT* (message ok,
but not permitted in
current mode)

SRT?

SRT=x (same format as command
arguments)

UPC Control

UPC=

1 byte
numerical

Command or Query
This command is used to set UPC control, where:
0=Pass thru
1=UPC loop out Support
Example: UPC=0
Parameter 24 of SGC Command.

UPC=(message ok)
UPC? (received ok,
but invalid
arguments found)

UPC?

UPC=x (same format as
command arguments)

TX
Attenuator
Control

ATT=

4

bytes,

value or
1295 thru
4095

Command or Query.
Sets Gain control for TX
Example: ATT=1523

ATT=(message ok)
ATT? (received ok,
but invalid
arguments found)

ATT?

ATT=xxxx (same format as
command arguments)

BUC Online
Control

BOC=

1

byte,

numerical

Command or Query.
This command is used to set which unit will be online,
where:
1=BUC A
2=BUC B
Example: BOC=1

BOC=(message ok)
BOC? (received ok,
but invalid
arguments found)
BOC* (message ok,
but not permitted in
current mode)

BOC?

BOC=x (same format as
command arguments)

LNB Online
Control

LOC=

1

byte,

numerical

Command or Query.
This command is used to set which unit will be online,
where:
1=LNB A
2=LNB B
Example: LOC=1

LOC=(message ok)
LOC? (received ok,
but invalid
arguments found)
LOC* (message ok,
but not permitted in
current mode)

LOC?

LOC=x (same format as command
arguments)

Modem FSK
Control

FSM=

1

byte,

numerical

Command or Query.
This command is used to set which unit will be used for
the FSK link, where:
1=Modem 1
2=Modem 4
Example: FSM=1
Parameter 25 of SGC Command.

FSM=(message ok)
FSM? (received ok,
but invalid
arguments found)
FSM* (message ok,
but not permitted in
current mode)

FSM?

FSM=x (same format as
command arguments)