Features and Benefits  IPv6 Ready logo awarded (IPv6 Logo Committee certified)   Software-based IEEE 1588 PTP (Precision Time Protocol) for precise time synchronization of networks VLAN Unaware: Supports priority-tagged frames to be received by specific IEDs DHCP Option 82 for IP address assignment with different policies EtherNet/IP* and Modbus/TCP industrial Ethernet protocols supported Turbo Ring, Turbo Chain, and IEEE 802.1D-2004 RSTP/STP IGMP snooping and GMRP for filtering multicast traffic from industrial Ethernet protocols Supports advanced VLAN capability with Q-in-Q tagging* IEEE 802.3ad, LACP for optimum bandwidth utilization Bandwidth management prevents unpredictable network status Multi-port mirroring for online debugging Automatic warning by exception through email, relay output RMON for efficient network monitoring and proactive capability Automatic recovery of connected device's  IP addresses Line-swap fast recovery Configurable by Web browser, Telnet/Serial console, CLI*, Windows utility, and ABC-01 automatic backup configurator Works with MXview industrial network management software *Available in Q3, 2011   Cyber-security Features User passwords with multiple levels of security protect against unauthorized configuration SSH/HTTPS is used to encrypt passwords and data Lock switch ports with 802.1x port-based network access control so that only authorized clients can access the port Disable one or more ports to block network traffic 802.1Q VLAN allows you to logically partition traffic transmitted between selected switch ports Secure switch ports so that only specific devices and/or MAC addresses can access the ports Radius/TACACS+ allows you to manage passwords from a central location (available in Q1 Y2011) SNMPv3 provides encrypted authentication and access security   Introduction  The PowerTrans PT-7728 is designed to meet the demands of power substation automation systems (IEC 61850-3, IEEE 1613), and railway applications (EN50155/EN50121-4). The PT-7728's Gigabit and fast Ethernet