• Up to 48x 10/100TX MicroD ports
• Up to 48x 100FX optical ports
• Up to 2 Gigabit Ethernet ports
• Long-haul optics allow distances up to 90 km
• Multiple connector types (ST and LC)

• Multilevel passwords
• SSH/SSL encryption
• Enable/disable ports, MAC-based port security
• VLAN (802.1Q) to segregate and secure network traffic

• Immunity to EMI and high-voltage electrical transients
– Zero-Packet-Loss™ Technology
– Meets IEEE 1613 (electric utility substations)
– Exceeds IEC 61850-3 (electric utility substations)
– Exceeds IEC 61800-3 (variable-speed drive systems)
– Exceeds IEC 61000-6-2 (generic industrial environment)
– Exceeds NEMA TS-2 (traffic control equipment)
• –40°C to +85°C operating temperature (no fans)
• Conformal coated printed circuit boards

• MIL-S 901D – Shock (Hard Mounted)
• MIL-STD 167 – Vibration
• MIL-STD 461 – EMI
• MIL-STD 1399 – Magnetic Field (DC magnetic exposure)
• MIL-STD 810 – Temperature and Humidity

• Next generation of ROX™
• Simple plug and play operation – automatic learning, negotiation, and crossover detection
• MSTP 802.1Q-2005 (formerly 802.1s)
• RSTP (802.1w) and Enhanced Rapid Spanning Tree (eRSTP™) network fault recovery (<5 ms)
• Quality of service (802.1p) for real-time traffic
• VLAN (802.1Q) with double tagging and GVRP support
• Link aggregation (802.3ad)
• Traffic prioritization
• Transaction-based configuration with rollback
• GMRP and services
• Telecom-style CLI

• Web-based, telecom standard CLI management interfaces
• SNMP v1/v2/v3
• Rich set of diagnostics with logging and alarms
• NETCONF
• Role-based access control

• Fully integrated, dual-redundant (optional) power supplies
• Universal high voltage ranges: 88–300VDC or 85–264VAC
• Terminal blocks for reliable, maintenance-free connections
• CSA/UL 60950 safety approved to 85°C