| AC Current Inputs (6 total) | 5 A nominal 1 A nominal |
| AC Voltage Inputs (6 total) | 0–300 VL-N operational |
| Communications Protocols | FTP, Telnet, SEL ASCII, SEL Fast Message, synchrophasors, DNP3, PRP, PTPv2, IEC 61850-9-2, and IEC 61850 Edition 2.1 |
| Communications Ports | Serial Ports One front-panel and three rear-panel EIA-232 serial ports 300–57,600 bps Four-Port Ethernet Card Four 10/100BASE-T twisted-pair network ports, or Four 100BASE-FX fiber-optic network ports, or Two 10/100BASE-T twisted-pair network ports and two 100BASE-FX fiber-optic network ports Five-Port Ethernet Card Two 100/1000BASE SFP ports Three 100BASE SFP ports |
| SV Ports | Subscriber: As many as 7 SV data streams Publisher: As many as 7 SV data streams Data rate: 4.8 kHz for 60 Hz system, 4 kHz for 50 Hz system Protocol: IEC 61850-9-2 |
| Precise-Time Input | Demodulated IRIG-B time input and PTPv2 |
| Power Supply | 24–48 Vdc 48–125 Vdc or 110–120 Vac 125–250 Vdc or 110–240 Vac |
| Operating Temperature | –40°C to +85°C (–40 to +185°F) |