TCW241_R4.17
–
October 2022
Page 24
7.3.2.
SNMP
The
TCW241 supports SNMP V2. This enables the device to be part of monitoring and control
systems over SNMP protocol.
In this section, all necessary parameters for proper operation of SNMP can be set.
By default SNMP is disabled, the port is 161, read community is public and write community is
private.
In an alarm condition, SNMP trap can be sent up to 5 independent recipients. All they can be with
different port and community. There is an independent button for trap test.
SNMP traps can be sent if:
•
event occurs (status change) on Digital Inputs;
•
measured parameter on Analog Inputs goes outside the range;
•
measured parameter on the 1-Wire bus goes outside the range;
•
restart condition;
SNMP trap is sent after reset.
Actual MIB file can be downloaded from here.
7.3.3.
HTTP post
TCW241 can periodically upload a file to a dedicated server, using HTTP or HTTPS Post. The HTTPS
is over TLS 1.0, TLS 1.1 and TLS 1.2 with RSA as a key exchange/agreement and authentication.
The posting period is between 10 and 14400 seconds. The file format can be XML or JSON.
In addition to the periodical post, the file can be uploaded at any alarm condition. In this case
“Connect on any alarm” should be checked.
The “Key” field value is sent in the XML/JSON and can be used for device identification.
If “Process Answer” option is enabled, the TCW241 will process the answer o
f the remote server.
List of valid commands is
described in section “
HTTP API commands
”
.
Summary of Contents for TCW241
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