What types are there in SIMATIC NET OPC SNMP Server snmp profiles?

Question

Siemens

For example 2, this is understandable int. What else is there?
SNMPItem=ifOperStatus.1|R|.1.3.6.1.2.1.2.2.1.8.1| 02 |Link state of ethernet 1. 1 = Link Up. 2 = Link down.

\S7DATA\snmp\profile