• Up to 9 Gigabit Ethernet ports – copper and/or fiber
• Up to 9 100FX fiber fast Ethernet ports
• 2 port modules for tremendous flexibility
• Supports many types of fiber (multimode, single-mode, bidirectional single strand)
• Non-blocking, store and forward switching
• Long-haul optics allow Gigabit distances up to 70 km
• Multiple connector types (LC, SC, SFP, GBIC)

• IEEE 1588 v2 with hardware time stamping on all ports
• IEEE 1588 v2 to IRIG-B conversion
• Transparent clock operation for high precision on switched networks (better than 1 µs accuracy, typically 100 ns)
• High-precision TCXO (temperature compensated oscillator)
• Supports master, slave, and transparent clock

• Passwords – Multilevel user passwords secure switch against unauthorized configuration
• SSH / SSL – Extends capability of password protection to add 128-bit encryption of passwords and data as they cross the network
• Enable/Disable Ports – Capability to disable ports so that traffic cannot pass
• 802.1q VLAN – Provides the ability to logically segregate traffic between predefined ports on switches
• MAC-based port security – Ability to secure ports on a switch so only specific devices / MAC addresses can communicate via that port
• 802.1x port-based network access control – Ability to lock down ports on a switch so that only authorized clients can communicate via that port
• RADIUS – Authentication service using MD5 hash and providing centralized password management
• SNMPv3 – Encrypted authentication access security and data encryption (CBC-DES with 56-bit encryption key)
• Secure Sockets Layer – Web-based management using SSL with data encryption (128-bit encryption key)
• RSA – 1,024-bit key for key management and key exchange
• TACACS+ – Terminal Access Control and Accounting Services Client provides encrypted authentication and authorization
• Point-to-Point Protocol (PPP) – Using CHAP (MD5 Hash) authentication service
• SFTP – Secure File Transfer Protocol using SSH encryption

• Immunity to EMI and heavy electrical surges
– Zero-Packet-Loss™ technology
– Meets IEEE 1613 Class 2 (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)
– Exceeds NEMA TS-2 (traffic control equipment)
• –40°C to +85°C operating temperature (no fans)
• Conformal coated printed circuit boards (optional)
• 18 AWG galvanized steel enclosure
• Hazardous location certification: Class 1 Division 2

• Simple plug and play operation – automatic learning, negotiation, and crossover detection
• 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
• IGMP snooping for multicast filtering
• Port rate limiting and broadcast storm limiting
• Port configuration, status, statistics, mirroring, security
• Loss-of-link management on fiber ports
• SNTP time synchronization (client and server)
• Industrial automation features (e.g. Modbus)

• 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

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