Comtech EF Data CDM-840 User Manual
Page 172

CDM-840 Remote Router
Revision 2
Serial-based Remote Product Management
MN-CDM840
7–26
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)
Reported
Es/No
N/A
5 bytes
Query Only.
Returns current Es/No of demodulator where:
s = ‘0’ or ‘-‘ (negative sign, if needed, zero otherwise)
xx.x = value from 00.0 to 35.0 dB.
Resolution = 0.1 dB.
Returns 999 if demod is unlocked.
Returns 35.0 for values greater than 35.0dB.
Note: This query provides a fast Es/No reading that is updated in the background
10 times per second, and is also averaged in the background over the previous 16
returned values.
N/A
REN?
REN=sxx.x
(see Description of
Arguments)
SNMP Read
Community
SRC=
16 bytes, characters,
no spaces
Command or Query.
SNMP read community string.
Example: <1/SRC=public
Note: Empty string is not allowed.
SRC =
SRC!
SRC?
SRC =x
(see Description of
Arguments)
SNMP
Write
Community
SWC=
16 bytes,
characters, no
spaces
Command or Query.
SNMP write community string.
Example: <1/SWC =public
Note: Empty string is not allowed.
SWC =
SWC!
SWC?
SWC =x
(see Description of
Arguments)