Physical Port
• 24-port 100/1000BASE-X SFP mini-GBIC slot
• 4 shared 10/100/1000BASE-T RJ45 ports
• 4-port 1G/10G SFP+ slot
• RS232 RJ45 console interface for switch basic management and setup

Hardware Conformance
• 36 to 60 Vdc, redundant power with polarity reverse protect function
• 19" rack-mountable
• Fault relay alarm for port breakdown, power failure
• Two built-in thermal fans

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, broadcast storm control and runt/CRC filtering eliminate erroneous packets to optimize the network bandwidth
• Provides port mirror (many-to-1)
• Port mirroring to monitor the incoming or outgoing traffic on a particular port

Multicast
• Supports IGMP Snooping v1, v2 and v3
• IGMP Snooping port filtering
• Multicast VLAN Registration (MVR) support

Management
• Switch management interfaces
- Console/ Telnet Command Line Interface
- Web switch management
- SNMP v1, v2c, and v3 switch management
- SSH/SSL secure access
• Four RMON groups (history, statistics)
• IPv6 Address/NTP/DNS management
• Built-in Trivial File Transfer Protocol (TFTP) client
• DHCP for IP address assignment
• User privilege levels control
• NTP (Network Time Protocol)
• PLANET Smart Discovery Utility for deploying management

Quality of Service
• Ingress Shaper and Egress Rate Limit per port bandwidth control
• 4 priority queues on all switch ports
• Strict priority and Weighted Round Round (WRR) CoS policies
• Supports QoS and In/Out bandwidth control on each port
• Traffic-policing policies on the switch port
• DSCP remarking

Security
• IEEE 802.1x Port-based/MAC-based network access authentication
• Built-in RADIUS client to co-operate with with the RADIUS servers
• RADIUS/TACACS+ users access authentication
• IP-based Access Control List (ACL)
• DHCP Snooping to filter un-trusted DHCP messages
• Dynamic ARP Inspection discards ARP packets with invalid MAC address to IP address binding
• Auto DoS rule to defend DoS attack

Physical
• Power consumption: 57 W/195.56 BTU (AC) maximum
• Power requirement - AC: AC 100 ~ 240 V, 50/60Hz 1.5A
• Power requirement - DC: 36 Vdc @ 1.6A, Range: -36 ~ 60 Vdc
• Operating temperature: 
 - 14 to 140 ºF  (-10 ~ 60 ºC) for DC power input
 - 32 to 122 ºF  (0 ~ 50 ºC) for AC power input
• Humidity: 5 ~ 95% (non-condensing)
• Dimensions: 17.32 x 7.87 x 1.75”  (440 x 200 x 44.5 mm)
• Weight: 6.47 lbs  (2.935 kg)