The length of the OID for a Get request has one limitation relating to the SNMP protocol: the maximum number of subidentifiers per message is 128 characters. The reference of the item or object you are requesting is contained within these subidentifiers. To determine the item reference you should use, log in to the Metasys user interface and open the Focus window of the item/object. Locate the Item Reference field under the Advanced view of the Focus window. The format of the fully qualified item reference is:
The only part of this string that you need to specify is the Item section. Here is an example:
The only part of this item reference that is required is: N2-1/AHU-3/ZN-T.