DMS (Data Management) Ltd Network Elements (SCADA) SP-15 RTU Copper Line Option. (Data Sheet). This section contains Remote Terminal Unit’s (RTU) and their variants. SP-15 RTU Standard Option. (Data Sheet). SP-25 RTU Standard Option. (Data Sheet). SP-35 RTU-E (Ethernet) Option. (Data Sheet). Stand Alone Copper Line Unit (Data Sheet). Telecom's Copper Cable Monitoring System (Data Sheet). Telecom's Copper Cable Theft Monitoring System (Data Sheet). HOME