Comtech EF Data MBT-5000, Руководство пользователя по установке и эксплуатации

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MBT-5000 L-Band Up/Down Converter System MN-MBT5000
Serial-based Remote Product Management Revision 4
7–21
Parameter
Type
Command
(Instruction
Code and
Qualifier)
Arguments for
Command 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)
LNA Current
Source
(BDC only)
LCS= 1 byte Command or Query.
Enables or Disables the LNA current source.
Note: LCS must be enabl ed before the LNA current can be calibrated with the CLC command.
LCS is always off in the redundancy mode.
0 = Disable
1 = Enable
Default Value: 0
Example: <1/LCS=1’cr’
>0001/LCS=’cr’’lf’
LCS=
LCS?
LCS*
LCS? LCS=x
(same format as
Command
arguments)
LNA Current
Window
(BDC only)
LCW= 2 bytes Command or Query.
Allows the user to set the alarm window in

% of the calibrated LNA Current. Valid inputs are 20
to 50 in increments of 1%.
Default Value: 30
Example: To set the alarm window to

30%:
<1/LCW=30’cr’
>0001/LCW=’cr’’lf’
LCW=
LCW?
LCW*
LCW? LCW=xx
(same format as
Command
arguments)
Low Forward
Power
Threshold
(Only for the
converter which
supports power
monitor)
LPT= 5 bytes Command or Query.
Allows the user to set the threshold for the low forward power alarm/fault in dBm. If the forward
power drops below the specified value (while the unit is online, unmuted and PLL locked), the
alarm/fault will be i ndicated. Setting t his param eter to -20.0 effectively disables the threshold.
Valid values for this par ameter ar e be tween the uni t’s specified P1dB power level, and P 1dB
minus 19dB. For example, for a u nit with +12dBm at P1dB, the range would be + 12.0 to -7.0
dBm.
Default Value: -20.0
Example: <2/LPT=+10.0’cr’
>0002/LPT=’cr’’lf’
Note: This command can only be queried for the offline unit in the redundancy mode.
LPT =
LPT?
LPT *
LPT? LPT=xxx.x
(same format as
Command
arguments)
Mute State MUT= 1 byte Command or Query.
Mutes the unit, where:
0 = Disabled (Not Muted)
1 = Enabled (Muted)
Default Value: 0
Example: <2/MUT=1’cr’
>0002/MUT=1’cr’’lf’
Note: Mute State cannot be changed for the offline unit when in redundancy mode.
MUT=
MUT?
MUT*
MUT? MUT=x
(same format as
Command
arguments)