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S C A D A / E M S VL A N. DATA ACQUISITION VLAN. Control centre Architecture. DTS VLAN. RTUs on 60870-5-101 Protocol. Serial Cards (including 8 pair of modems) /Splitters. RTU on 104/ PMU 0n C37.118/ other IP devices. NETWORK. Router cum Firewall 2 Nos. RTUs on Other Protocol.
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S C A D A / E M S VL A N DATA ACQUISITION VLAN Control centre Architecture DTS VLAN RTUs on 60870-5-101 Protocol Serial Cards (including 8 pair of modems) /Splitters RTU on 104/ PMU 0n C37.118/ other IP devices NETWORK Router cum Firewall 2 Nos. RTUs on Other Protocol CFE Servers 2 No. Dual Monitor Training Consoles DTS Server GPS , Time and Frequency Displays ICCP LAN Renewable Control / mon EMS Servers Dual Monitor Workstations SCADA Servers LCD / Video Projection PDS, ISR, NMS LAN IT APPLICATION LAN Offline Application Servers Offline Application Servers Report Generation Servers Routers at RLDCs and SLDC ICCP Servers Router cum Firewall 2 Nos. (OPTIONAL) RD, CMC, UPS & SERVER MANAGEMENT LAN PDS, ISR, NMS LAN RD, CMC, UPS & SERVER MANAGEMENT LAN Programmer Development Server (1 Nos.) Router cum Firewall 1 Nos. Developmental Workstation Printers (B/W & Color) ISR Servers 2 No. NMS Servers UPS Monitoring System EXTERNAL DMZ LAN Server Management Console Replica Servers Identity Server CMC CORPORATE LAN (Optional) OPTIONAL SYSTEMS FOR BETTER OPERATION CORPORATE LAN Web Servers CORPORATE LAN Fig 1
PROPOSED DATA FLOW NLDC Backup NLDC Main RLDC Main RLDC Backup Direct reporting RTUs SLDC Main SLDC Backup SubLDCn SubLDC1 Direct reporting RTUs Sub LDC RTUs Fig 2