- IGMP snooping and GMRP for filtering multicast traffic
 - Port-based VLAN, IEEE 802.1Q VLAN, and GVRP to ease network planning
 - QoS and TOS, WRR/WFQ/SP to increase determinism
 - Layer2-4 Multifield classifier
 - Support 8-MultiField entry
 - Support traffic policy
 - Support Multi-Field filter
 - Support copy to mirror port
 - Support trap to CPU por
 - Support Port mirror
 - Support auto-polarity for 10Mbps
 - Support 16 VLAN (IEEE Std 802.1q)
 - Shared/Independent VLAN Learning
 - Support insert, remove tag
 - Support VLAN priority remarking
 - Support STP, RSTP and MSTP
 - Support port-based access control
 - Supports rate control
 - In/Out port rate control
 
- Interface Type 10/100BaseT(X) auto negotiation speed, Full/Half duplex mode, and auto MDI/MDI-X connection
 - Connector 8-pin RJ-45 * 5
 - Isolation Protection Built-in 1.5KV
 - Network Protocols ICMP,IP,TCP,UDP,DHCP,BOOTP,Telnet,DNS,HTTP,ARP
 - Flow Control 802.3X flow control frames on both transmit and receive sides
 - Configure Options Web Page,Windows Utility
 - OS support Windows Serial / Linux real / TTY / UNIX
 - Priority Queues 4-level per port
 - Max. Number of Available VLANs 16
 - VLAN ID Range VID 1 to 4094
 - IGMP Table Up to 1K
 - MAC Table Size 2K
 - Rate Control Range 0-100Mbps
 - PWR Power Indicator
 - F/H.x Indicate full duplex or half duplex
 - LINK Indicate network connections status
 - LED Indicators
 - 10/100M Speed Indicator
 - input Voltage 12VDC (12 to 24VDC),redundant dual inputs
 - Protection Over-current and overvoltage protection
 - Connector Removable 4-contact terminal blocksDimensions 106 × 54 × 136 mm(4.17 × 2.13 × 5.35 in
 - Model No. ATC-405