MB52XX Modbus Gateway
User Manual
Configuration
and
Setup
4.7
Advanced Settings
4.7.1
SNMP Settings
SNMP
(
Simple Network Management Protocol
)
Settings determine whether the device settings can be viewed with
a standard SNMP software
.
By default, it is disabled
Figure 4.19 shows the
SNMP Settings
page with SNMP disabled
.
The first group of options on this web page is
called
Basic Data Objects
:
System Contact
is the device administrator
’
s contact information
.
The default value is
“
contact
”.
System Name,
which is by default, is the MAC address of the Modbus Gateway
.
The default value is
“
atop
”.
System Location
is the device
’
s physical location
.
The default value is
“
location
”.
Figure 4.18 SNMP Settings Web Page with SNMP disabled
The second group of options is called
SNMP
:
SNMP
is followed by a
“
Enable
”
check box in which to enable the SNMP feature on the Modbus Gateway
.
If
this box is not checked, it means that SNMP is disabled
.
Then, the rest of the options will be disappeared as
shown in Figure 4.18
If the SNMP option is enabled, there can be three different views for SNMP options as
shown in
Figure 4.19, Figure 4.20, and Figure 4.21
SNMP Version
is a drop
-
down box which allows the user to choose version of supported SNMP protocol
.
This
can be
v1
/
v2c
or
v1
/
v2c
/
v3
or
Only v3
.
Note that if this option is set as v1
/
v2c
/
v3, the SNMP options will be
shown as in
o
SNMP v1 and v2c support simple community string based authentication protocol for their security
mechanism. If this option is selected as v1
/
v2c, the SNMP options will be shown as in Figure 4.20
o
SNMP v3 is improved with additional authentication and cryptography security.
If this option is selected
as Only v3, the SNMP options will be shown as in Figure 4.21
Read Community
is the field that you can specify the
SNMP Read Community String
which is a user ID or
plaintext password string for simple authentication in SNMP v1 and v2c
.
In order to make the SNMP
