What type of RTU should the customer purchase?
RTU solutions selected by a Participant will be very specific to their specific needs including but not limited to: • Integration with existing plant equipment • Human Machine Interface (HMI) needs • Redundancy requirements • Security requirements • IT Staff training and expertise However, ISO-NE requires that the RTU chosen meets the following criteria: • The RTU must meet the requirements of the most current RTU Specification • The RTU must have passed DNP3 Level Two Conformance Testing It is incumbent of Participant’s to carefully review the RTU under consideration including its DNP Profile Document to ensure its compliance with the ISO-NE RTU Specification. Before purchasing an RTU, the Participant must complete and submit to ISO-NE Market Support Services ISO New England Communications Front End Interface Specifications [PDF] from the current RTU Specification. It is recommended that Participants also schedule a conference call with ISO-NE Market Support Services and IT-EMS staff
