supply, installation ,testing and commissioning of remote terminal unit rtu at sgtps, mppgcl, birsinghpur , remote terminal unit complete with 2 pairs modem for each end, cpu, power supply, analog inputmodule, digital input module, communication module, rtu cabinet, relays, terminal blocks, complete wiring. 1 nos 24 port ethernet switch for iec-61850 relays including communication port :- (i) 06 nos. ethernet port for ies61850(ii) 04 nos rs485 port, for mfm (iii) 03 nos. rs232 port for iec 103 relay integration protocol:- (i) iec 61850 client (ii) iec60870-5-103client (iii) modbus rtu client (iv) iec 60870-5-101 slave (v) iec60870-5-104 slave , mfms for rtus , portable rtu configuration and maintenance terminal , cables , cable for digital input from c&r panel to rtu (10 core 1.0 sq mm) , cable for ac & dc distribution board to rtu for power supply (2 core 1.5 sqmm) , cable for communication from communication panel to rtu (2 pair x 0.5 sq.mm) , cable for ct & pt input mfm (4 core 2.5 sqmm) , mandatory spares , power supply unit for rtu , cpu for rtu , analog input card , digital input card , modem set including power supply unit separately (rtu end ) , modem set including power supply unit separately (master end) , communication module for communicating with multifunction meter. , multifunction meter , oltc transducer , work portion , erection, commission, testing & integration of rtu & its related accessories in all respect