beautypg.com

Comtech EF Data MBT-4000B User Manual

Page 52

background image

Multi-Band Transceiver System

Revision 0

Remote Command

MN/MBT4000B.IOM

A-16

Parameter

Type

Command

(Instruction

Code and

qualifier)

Valid on

MBT,

BDC, or

BUC

Arguments for

Command or

Response to

Query

Description of arguments

(Note that all arguments are ASCII numeric codes, that

is, ASCII codes

between 48 and 57)

Response to

Command

(target to controller)

Query

(Instruction

Code and

qualifier)

Response to

query

(target to

controller)

Operating RF

Frequency

FRE=xxxxx.

xxx

BDC
BUC

9 bytes,
numeric

Command or Query
Valid Operating RF frequency, in MHz.

For Ku BDCs:
FRE values: 10950-11700 MHz an LO of 10000 MHz is
activated
FRE values: 11701-12250 MHz an LO of 10700 MHz is
activated
FRE values: 12251-12750 MHz an LO of 11300 MHz is
activated

Example: FRE=11300.000

FRE=(message ok)
FRE? (received ok, but
invalid arguments
found)
FRE* (message ok, but
not permitted in current
mode)
FRE! (command not
accepted by MBT-
4000B base unit. It
must be addressed to
BUC or BDC sub-units)

FRE? FRE=xxxxx.xxx


(see
description of
arguments)

Retreive

Firmware

Number

N/A ALL

Query

only

Gets the Firmware Number of the unit.

Example: FRW=FW12001’cr’’lf’

N/A FRW?

FRW=FWxxxx
x

Monitor LNA

Current

N/A MBT

BDC

s_xxx.x,

s=1 byte,

value of 1, 2

1=LNA A

2=Bias Tee

xxx.x=5 bytes,

numeric


Query only.
Returns LNA/LNB Current Source Level in mA.

Example: <0001/LCM?2
>0001/LCM=2_045.3{cr}{lf}

LCM= (message ok)
LCM? (received ok, but
invalid arguments
found)
LCM! (command not
accepted by BUC or
BDC sub-units)

LCM?s

s=1 byte,

value of 1, 2

LCM=s_xxx.x

LNA Current

Source

LCS=sx MBT

BDC

s=1 byte,

value of 1, 2

1=LNA A

2=Bias Tee

x=1 byte,

value of 0, 1

0 = Disable

1 = Enable

Command or Query.
LNA Current Source Enable, where:

Source Enable
1=LNA A (Aux Comm 1)

0 = Disabled

2=LNB Bias Tee

1 = Enabled


Example: LCS=20 would turn off the LNB bias current

LCS= (message ok)
LCS? (received ok, but
invalid arguments
found)
LCS* (message ok, but
not permitted in current
mode)
LCS! (command not
accepted by BUC or
BDC sub-units)

LCS?s

s=1 byte,

value of 1, 2

LCS=sx

(same format
as command
arguments)