> Physical Port

> ．4 10/100/1000BASE-T Gigabit Ethernet RJ45 ports

> ．One RJ45 console interface for basic management and setup

> Industrial Case and Installation

> ．Dual power input, redundant power with reverse polarity protection

> ．．DC 9 to 48V input or AC 24V input

> ．．Active-active redundant power failure protection

> ．．Backup of catastrophic power failure on one supply

> ．．Fault tolerance and resilience

> ．IP30 metal case

> ．DIN-rail and wall-mount designs

> ．Supports 5000V DC Ethernet ESD protection

> Time Sensitive Networking

> ．High Precision Time Synchronization

> ．．IEEE1588 (Time Stamping)

> ．．802.1AS-Rev gPTP default profile

> ．Shapers

> ．．802.1Qbv Enhancements for Scheduled Traffic

> ．．802.1Qch (Cyclic Queuing and Forwarding)

> ．TSN Stream Policing

> ．．802.1Qci (Per Stream Filtering and Policing)

> ．Redundancy

> ．．802.1CB FRER for seamless redundancy

> ．．Also standard Linear and Ring protection

> ．Delay Reduction

> ．．IEEE 802.1Qbu Frame Preemption

> ．．IEEE 802.3br Interspersing Express Traffic (IET)

> Layer 2 Features

> ．Prevents packet loss with back pressure (half-duplex) and IEEE 802.3x pause frame flow control (full-duplex)

> ．High performance of Store-and-Forward architecture, and runt/CRC filtering eliminates erroneous packets to optimize the network bandwidth

> ．Storm Control support

> ．．Broadcast/Multicast/Unicast

> ．Supports VLAN

> ．Supports Spanning Tree Protocol

> ．Supports Link Aggregation

> ．Provides port mirror (many-to-1)

> ．Port mirroring to monitor the incoming or outgoing traffic on a particular port

> ．Loop protection to avoid broadcast loops

> ．Supports ERPS (Ethernet Ring Protection Switching)

> ．Compatible with Cisco Uni-directional link detection(UDLD) that monitors a link between two switches and blocks the ports on both ends of the link if the link fails at any point between the two devices

> ．Link Layer Discovery Protocol (LLDP) and LLDP-MED

> Layer 3 IP Routing Features

> ．Supports maximum 32 static routes and route summarization

> Quality of Service

> ．Ingress Shaper and Egress Rate Limit per port bandwidth control

> ．8 priority queues on all switch ports

> ．Traffic classification

> ．Strict priority and Weighted Round Robin (WRR) CoS policies

> ．Supports QoS and In/Out bandwidth control on each port

> ．raffic-policing on the switch port

> ．DSCP remarking

> ．Voice VLAN

> Security

> ．Authentication

> ．．IEEE 802.1x Port-based/MAC-based network access authentication

> ．．Built-in RADIUS client to co-operate with the RADIUS servers

> ．．TACACS+ login users access authentication

> ．．RADIUS/TACACS+ users access authentication

> ．Access Control List

> ．．MAC-based Access Control List

> ．Source MAC/IP address binding

> ．DHCP Snooping to filter un-trusted DHCP messages

> ．Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding

> ．IP Source Guard prevents IP spoofing attacks

> ．IP address access management to prevent unauthorized intruder