28 Ports Layer 2 Gigabit Ethernet Switch with 4x 10G SFP+ ports: LT28-4SFP+

Lightem 10 Gigabit Ethernet Switch LT28-4SFP+ is a standard 2-layer non-blocking switch. Featuring 24 ports 10/100/1000M RJ45 ports & 4x 10GE SFP+ ports. Based on high-performance ASIC chip technology, the modular structure design, which have a capability of multilayer switching and wire-speed routing forwarding. It is suitable for last mile aggregation application of large scale network.

  • 128G backplane bandwidth
  • 4x 10G SFP+ ports
  • Hardware routing, wire-speed 3rd layer switching packet forwarding rate of 95.232Mpps
  • DOS, deception and virus defense
  • Support IEEE802.1x, provide port-based user authentication, network shield, safety control, and strategy control technology
  • Restrict maximum number of connected hosts port, with multi-channel Ethernet interface binding, increasing bandwidth and system redundancy
  • Powerful ACL, support for L2-L4 layer data filtering
  • Support QinQ
  • Strategy control list, flow regulation
  • Clustering technology, support more than one device stack, with a unified IP Address to carry on centralized management and address resources savings
  • Network management via Web, SNMP
  • Redundant power supply, quick failover and quick connection, greatly increasing the reliability of the system
  • Support IGMP message detection, effectively limit the spread of broadcast message.
  • Support for IGMP message detection, effectively limit the spread of broadcast message.
  • IP multicast and QoS
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Parameters Values
Number of RJ45
12
Number of Optical ports (SFP+ 10G)
2
Console port
1
Backplane bandwidth
280Gbps
Packet forwarding rate
267.84Mbps
Jumbo Frames
1522 byte
Transfer Mode
Support store-forward mode and cut-through mode
Packet Buffer
2MB
Flash memory capacity
16Mb
Memory capacity
512M DDR3 SD Ram
CPU
600 MHz ARM Cortex-A9 single-core processor
Dimension
440x230x44mm
Power supply
AC 110-240V adaptive, 47-63Hz, 1A/230V, RPS power hot backup
Operating temperature
0-50°C
Operating humidity
0-90% no condensation

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