• Three configurations to choose from:
– 2x 10/100TX ports + 1x 100FX port (SC/ST)
– 2x 10/100TX ports + 2x 100FX port (MTRJ/LC)
– 4x 10/100TX ports
• Multimode and single-mode optical transceivers
• Industry standard fiber-optic connectors: LC, SC, ST, MTRJ
• Long-haul optics allow distances from 20 km to 90 km

• Input voltages of 24 VDC, 48 VDC, and high-voltage (88–300 VDC or 85–264 VAC) for worldwide operability
• Integrated power supply eliminates need for an awkward external power transformer
• Screw-down terminal blocks ensure reliable, maintenance-free connections
• CSA/UL 60950 safety approved to +85°C

• Exceeds IEC 61850-3 and IEEE 1613 (electric power substations)
• Exceeds NEMA TS-2 (traffic control equipment)
• Operates over a temperature range of –40°C to +85°C without the use of fans for improved reliability
• 21 AWG galvanized steel enclosure and DIN or panel mounting options provide secure mechanical reliability

• Full compliance with IEEE 802.3 and IEEE 802.3u Ethernet standards for universal interoperability
• Non-blocking, store and forward switching with only 10 µs latency for high network throughput
• Full duplex operation results in no collisions
• Deterministic network response and flow control via 802.3x pause frames results in no collisions or dropped packets

• Automatic learning of up to 2,048 MAC addresses
• Auto-negotiation on 10/100TX ports simplifies setup
• Auto-MDI/MDIX on all 10/100TX ports eliminates need for crossover cables
• LED indicators for link, activity, and speeds aid in field
• troubleshooting