In the SNMP settings there is a box to change SNMPv2 community options but the community name cannot be changed:
According to the wiki manual and MIB file it should be possible to get modem temperature with SNMP but it always returns 0.
>snmpget -c public -v 2c 192.168.51.1:161 .1.3.6.1.4.1.48690.2.2.1.17.1
TELTONIKA-MIB::mTemperature.1 = INTEGER: 0
Router model: RUT950
Product code: RUT950002XXX
Hardware revision: 2017
Batch number: 0121
Firmware: RUT9_R_00.07.00
Modem type: SLM750