• Up to 9 Gigabit Ethernet ports – copper and/or fiber
• 2 port modules for tremendous flexibility
• Supports multimode and single-mode fiber
• Non-blocking, store and forward switching
• Supports LC connectors for fiber, Micro-D connectors for copper

• Multilevel user passwords
• SSH/SSL (128-bit encryption)
• Enable/disable ports, MAC-based port security
• Port-based network access control (802.1x)
• VLAN (802.1Q) to segregate and secure network traffic
• RADIUS centralized password management
• SNMPv3 authentication and 56-bit encryption

• Immunity to EMI and heavy electrical surges
• Zero-Packet-Loss™ technology
• –40°C to +85°C operating temperature (no fans)
• Conformal coated printed circuit boards
• 18 AWG galvanized steel enclosure

• MIL-STD 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

• 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) and GVRP support
• Link aggregation (802.3ad)
• IGMP snooping for multicast filtering
• Port rate limiting and broadcast storm limiting
• Port configuration, status, statistics, mirroring, security
• SNTP time synchronization (client and server)
• Industrial automation features (e.g. Modbus)

• Web-based, Telnet, CLI management interfaces
• SNMP v1/v2/v3 (56-bit encryption)
• Remote monitoring (RMON)
• Rich set of diagnostics with logging and alarms

• Fully integrated, dual-redundant (optional) power supplies
• Universal high-voltage range: 88–300 VDC or 85–264 VAC
• Popular low-voltage ranges: 24 VDC(10–36 VDC), 48 VDC (36–72 VDC)
• Screw or pluggable terminal blocks available
• Terminal blocks for reliable, maintenance-free connections
• CSA/UL 60950 safety approved to +85°C