The ZX-6000 optical digital relay protection tester is an intelligent testing instrument designed according to State Grid Corporation's technical specifications for smart substations. This advanced equipment enables comprehensive testing of optical digital protection devices and supports closed-loop testing of merging units (MU).

• 4/6/8 pairs of 100M fiber optic Ethernet interfaces supporting IEC61850-9-1/2 SV, Goose, and IEEE-1588 protocols
• Simultaneous output of up to 24 SV message groups and 64 Goose message groups
• 3/5 pairs of 2-10M fiber optic ports for IEC60044-7/8 FT3 format communication
• 12-channel small signal analog output for protection device testing
• Built-in GPS synchronization with IRIG-B/PPS and IEEE-1588 support
• Complete SCL file parsing with automatic SV and GS message configuration
• Advanced message detection, monitoring, and packet capture capabilities
• PCAP message replay and editing functions
• Network pressure and Goose storm testing functionality
• Intelligent terminal SOE response time testing with <0.1ms accuracy
• Built-in IPC for standalone operation or PC connectivity