T. 6.3.8 – Comtech EF Data CDM-840 User Manual

Page 164

Advertising
background image

CDM-840 Remote Router

Revision 2

Serial-based Remote Product Management

MN-CDM840

7–18

7.3.8

LNB (Low-Noise Block Downconverter) Parameters Commands and Queries

Parameter

Type

Command

(Instruction

Code

& Qualifier)

Number of

Arguments for

Command or

Response to Query

Description of Arguments

(Note that all arguments are ASCII numeric codes from 48 and 57)

Response to

Command

(Target to

Controller)

Query

(Instruction

Code &

Qualifier)

Response to Query

(Target to Controller)

LNB Current

High

Limit

LNH=

3 bytes

Command or Query.

Sets or returns the current high limit value in the form xxx, where:

xxx = current high limit value from 0 to 500 mA.

Example: <1/LNH=123’cr’

LNH=

LNH?

LNH*

LNH#

LNH?

LNH=xxx

(see Description of

Arguments)

LNB Current

Low

Limit

LNL=

3 bytes

Command or Query.

Sets or returns the current low limit value in the form xxx, where:

xxx = current low limit value from 0 to 500 mA.

Example: <1/LNL=123’cr’

LNL =

LNL?

LNL *

LNL #

LNL?

LNL =xxx

(see Description of

Arguments)

LNB

Reference

Enable

LNR=

1 byte

Command or Query.

Sets or returns the LNB Reference Enable in the form x, where:

0=Disable

1=Enable

Example: <1/LNR=1’cr’

LNR=

LNR?

LNR*

LNR#

LNR?

LNR=x

(see Description of

Arguments)

LNB DC

Power

Control

LPS=

1 byte

Command or Query

Sets or returns the LNB DC Power Supply Control in the form x, where:

0 = Off

1 = 13V LNB Voltage

2 = 18V LNB Voltage

3 = 24V LNB Voltage

Example: <1/LPS=3’cr’

LPS=

LPS?

LPS*

LPS#

LPS?

LPS=x

(see Description of

Arguments)

LNB

Voltage

N/A

4 bytes

Query only.

Returns the LNB voltage value in volts

Example: <1/LVO?’cr’

N/A

LVO?

LVO=xxxx

(see Description of

Arguments)

LNB Current

N/A

4 bytes

Query only.

Returns ther LNB current value in mA.

Example: <1/LNC?’cr’

N/A

LNC?

LNC=xxxx

(see Description of

Arguments)

Advertising