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Comtech EF Data LBC-4000 User Manual

Page 81

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LBC-4000 L-Band Up/Down Converter System

Revision 4

Serial-based Remote Product Management

MN/LBC4000.IOM

6–9

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)

Application
Identification

AID_ 48

bytes,

alphanumeric

Command or Query.
Used to identify or name the unit or station, in the form
AID_xxx…x where:

• First line is limited to 24 characters.

• Second line is also limited to 24 characters.

• No carriage return between first line and second line.

Example: AID_
--Earth Station 1—
---Converter #1----

Same as command

AID_

AID_x…x

(see Description of
Arguments for details)

Attenuation
Offset

ATO_A_SY.Z

6 bytes Alphanumeric Command or Query.

Used to control or query attenuation offset, in the form
ATO_A_SY.Z where:

S=Sign (+ or -)
Y=Number between 0 and 5
Z=Number between 0 and 9
(cannot be greater than 5.0)

Example: ATO_A_+2.3 = Command
Notes:

1. Applicable only on Slot A. Slot B will return error.
2. If (displayed attenuation + offset) < 0, actual attenuation will

be set to 0dB.

3. If (displayed attenuation + offset) > maximum attenuation,

actual attenuation will be set to maximum attenuation.

4. Actual attenuation is the sum of Attenuation displayed on

front panel and Offset.

ATO_A_SY.Z

ATO_A_

(see Description of
Arguments for details)

Attenuation

ATT_ 7

bytes,

alphanumeric

Command or Query.
In the form ATT_x_yy.yy where:

x = ‘A’ (Converter A) or ‘B’ (Converter B)
yy.yy = Valid attenuation level, in dB, at 0.1dB step size as

factory default.

Example: ATT_A_12.20 (Converter A is set to 12.20 dB)

Same as command

ATT_x_

ATT_x_yy.yy

(see Description of
Arguments for details)

Clear All Stored
Alarms

CAA_ None

Command

only.

Instructs the target to clear all Stored Events, in the form
CAA_xxx, where:

xxx = YES

CAA_CLEARED

N/A

N/A