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20-port 10/100/1000 + (4) combo ports RJ-45/SFP managed switch. Includes 19” rack mount ears.


  • 4 Gigabit SFP ports
  • IEEE802.1x User Authentication
  • SNMP v1
  • IGMP v1, v2
  • TFTP configuration backup and restore
  • DHCP Client
  • Quality of Service (QoS)
  • Bandwidth control
  • Broadcast/Multicast Packet Filter Control
  • Ingress Packet Filter and Egress Rate Limit
  • Port trunk with LACP
  • Auto-Negotiation
  • Auto-MDIX on all ports
  • 10K Jumbo Frame support
  • True non-blocking switching
  • 8K MAC address table
  • Back pressure half-duplex
  • Flow control full-duplex
  • Store and forward switching architecture
  • 48Gbps backplane
  • 500Kbytes memory buffer
  • Management: SNMPv1, Telnet, Console. (CLI) Web Management
  • Firmware update: TFTP firmware upgrade
  • System default: Restore function for system default
  • Port Trunk: Supports IEEE802.3ad port trunk with link aggregation control protocol (LACP). 8 trunk groups / 12 trunk members maximum.
  • VLAN: Port based VLAN; IEEE802.1Q Tag VLAN (255 entries) / VLAN ID (VLAN ID can be assigned from 1 to 4094).
  • Quality of Service/Class of Service: Supports IEEE 802.1p Class of Service; Per port provides 4 priority queues; Port Base, Tag Base and Type of Service Priority
  • Spanning Tree: Supports IEEE802.1w rapid spanning tree and IEEE 802.1d spanning tree
  • IGMP: Supports IGMP V1, V2, Supports 255 multicast groups
  • Port Mirror: Supports RX packet mirror
  • Broadcast Storm: Enable/Disable, 5%, 10%, 20%, 25%
  • SNMP Trap: Device coldstart. Port Link up/Link down. Up to 1 trap station
Not available


IEEE Std. 802.3 10BASE-T; 

IEEE Std. 802.3u 100BASE-TX; 

IEEE Std. 802.3ab 1000BASE-T; 

IEEE Std. 802.3z Gigabit fiber; 

IEEE Std. 802.3x Flow control and 


IEEE Std. 802.1ad Link Aggregation; 

IEEE Std. 802.1q VLAN Tagging 

IEEE Std. 802.1p Class of service 

IEEE Std. 802.3ad Port trunk with LACP; 

IEEE Std. 802.1d Spanning Tree Protocol; 

IEEE Std. 802.1w Rapid spanning tree; 

IEEE Std. 802.1x Authentication Protocol




Store and Forward switching architecture

Transfer Rate

14,880 pps for 10Mbps 

148,800 pps for 100Mbps 

1,488,000 pps for 1000Mbps


RS232 Console: Female DB-9 

24 10/100/1000 RJ-45 

4 SFP ports - shared with RJ-45 ports 21, 

22, 23 and 24

MAC Address

8K MAC address table

Memory Buffer


Jumbo Packet Support

Max 10Kbytes jumbo packet size

Network Cable

10BASE-T: 2-pair UTP/STP Cat. 3, 4, 5 cable; EIA/TIA-568 100-ohm (100 m) IEEE Std. 802.3u 100BASE-TX,10/100Mbps, BASE-TX: 100-ohm (100 m)Gigabit Copper: 4-pair UTP/STP Cat 5 cable EIA/TIA-568 100-ohm (100 m)




RJ-45 port: Link/Activity; 1000 - port operating at 1000Mbps 

Fiber: Link/Activity 

Power: On/Off

Power Supply

Built-in AC power supply: AC 100-240V, 50/60Hz

Power Consumption

17.9 watts max.

Operating Temperature

0° to 50°C (32° to 113°F)

Operating Temperature

10% to 95% (non-condensing)


Width: 17.0” (440 mm) 

Depth: 6.4” (161 mm) 

Height: 1.7” (44 mm)


FCC Class A, CE Mark

Safety Compliance


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