240 Gigabit optical port +2 40G optical port switches
Gigabit Ethernet Fiber Switch Overview
The LNK Series 24-Port High-Density Aggregation Switch is a next-generation networking solution designed
for demanding enterprise and data center environments. This advanced switch features 20×10G SFP+ ports,
4×25G SFP28 ports, and 2×40G QSFP+ uplink ports, delivering exceptional 240G total optical connectivity.
Engineered with high-capacity switching architecture, it provides wire-speed performance and intelligent traffic
management. The switch incorporates comprehensive security protocols including automatic DoS attack prevention,
advanced CPU protection mechanisms, and robust security control policies. Supporting SNMP, IEEE 802.1 standards,
Spanning Tree Protocol (STP), Rapid Spanning Tree Protocol (RSTP), and link aggregation capabilities,
it ensures network stability, optimal load balancing, and enhanced fault tolerance. Ideal for data center aggregation,
enterprise core networking, and high-performance computing environments.
Gigabit Ethernet Fiber Switch Features
1. Outstanding Performance
760G backplane bandwidth with packet forwarding up to 565.44Mpps
Supports Ethernet/IEEE802.3 packets (64–1522 bytes) and jumbo frames up to 9216 bytes
2. Secure and Reliable
Protection against DoS/DDoS, spoofing, and viruses
IEEE 802.1x port-based authentication, security control, and policy enforcement
Port host limits and Ethernet interface multiplexing for increased bandwidth and redundancy
Traffic regulation via policy control lists
3. Easy Management
Web and SNMP management
Supports XModem protocol; upgrades via TFTP/ZMODEM for software and BootRom
4. Advanced Traffic Control
Broadcast storm detection and suppression, IGMP message support
Full/half-duplex flow control
Ethernet interface rate limiting in 1M increments
Gigabit Ethernet Fiber Switch Technical Indexes
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product model
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240 Gigabit optical port +2 40G optical port switches
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basic feature
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Fixed port
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20 10G SFP+ optical ports
4 25G SFP28 optical ports
Two 40G QSFP optical ports
1 console
1 OOB management port
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Backplane bandwidth
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760Gbps
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Packet forwarding rate
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565.44Mpps
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Flash memory capacity
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32MB
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internal storage capacity
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256M
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media access control
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32768
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Software specification
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Two-layer management function
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Port setting
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Port automatic negotiation
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Flow control
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port mirroring
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Flow statistics
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Link aggregation
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Static link aggregation
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load leveling
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Link backup
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Algorithm based on source/destination MAC
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Algorithm based on source/destination IP
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Dynamic link aggregation
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MAC
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Aging time setting
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Dynamic MAC address management
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MAC address binding and filtering
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Static MAC address
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VLAN
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802.1q label VLAN
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VLAN based on MAC address
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Protocol-based VLAN
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Spanning tree
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802.1d Spanning Tree Protocol (STP)
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802.1w Rapid Spanning Tree Protocol (RSTP)
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802.1s multiple spanning tree (MSTP)
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ERPS
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Ethernet ring protection
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LLDP
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link layer discovery protocol
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Multicast management
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IGMP v1/v2/
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IGMP Snooping
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Fast Leave
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IGMP statistics
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Three-layer management function
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Static routing
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for IPV4/6
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RIP
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Ripv1/2
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RIPng
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Rip for ipv6
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OSPF
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OSPF v1/2 for ipv4
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OSPF6
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OSPFv3 for ipv6
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ISIS
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ISIS
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BGP
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BGP+
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PIM
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SM/SSM
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VRRP
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V1/2 for ipv4
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V3 for ipv6
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quality of service
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4/8 priority queue (basic chip)
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Port-based COS
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COS based on 802.1p
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COS based on DSCP
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Priority rules: SP, WRR, SP+WRR
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Storm control (broadcast, multicast, unknown unicast)
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Inlet/outlet rate limitation based on port and flow
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Safety function
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Port security
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port isolation
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Loopback detection
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Access control list
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Management session timeout
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Web-GUI access restriction based on IP
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Management function
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SNMP v1/v2c/v3
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Public MIBs
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SSH server
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Web-GUI (http/https)
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Telnet
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Firmware WEB page upgrade
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Configuration saving and uploading
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dhcp server
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ONVIF discovery
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NTP Client
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IPv6 support function
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Dual IPv4/IPv6 stack
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Multicast listener discovery protocol (MLD)
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IPv6 neighbor discovery (ND)
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Path Maximum Transmission Unit (MTU) Discovery
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Internet Control Message Protocol (ICMP) Version 6
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TCPv6/UDPv6
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Ping6
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Tracert6
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Telnet (v6)
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Http/Https
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Static routing
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IPv6 TFTP
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Maintenance function
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CPU monitor
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Memory monitor
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system journal
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Ping test
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Tracert test
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physical characteristics
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Power supply characteristics
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440x400x44mm
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power
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AC 110-240V adaptive, 47-63Hz, supporting dual AC power supply (optional before leaving the factory).
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Indicator light
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<130W
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Ambient temperature/humidity
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Power indication, system indication
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Gigabit Ethernet Fiber Switch Quality Assurance and Certificate
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Quality assurance
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3-year warranty
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authentication
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ROHS certification
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European Community (CE) Electromagnetic Compatibility Directive:This equipment has been tested and found to comply with the protection requirements of European Emission Stand ard EN55022/EN60555-2 and the Generic European Immunity Standard EN50082-1.
EMC:
EN55022(1988)/CISPR-22(1985),class A EN60555-2(1995),class A
EN60555-3
IEC1000-4-2(1995),4K V CD, 8KV, AD
IEC1000-4-3(1995),3V/m
IEC1000-4-4(1995),1KV – (power line), 0.5KV – (signal line)
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Federal Communications Commission (FCC) Statement: this equipment has been tested and found to comprehensively with the limits for a class a computing device pursuit to part j of part 15 of FCC rules, which are designed to provide reasonable protection against such interference when operated in a commercial environment.
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Gigabit Ethernet Fiber Switch transportation and storage
Transportation: The packaging of this product is suitable for transportation of automobiles, ships,
planes and trains, and it should be protected from sun and rain, and handled
in a civilized manner during transportation.
Storage: when the product is not used, it should be placed in a packing box. The temperature
and humidity of the storage environment should meet the requirements of the product.
There should be no corrosive objects in the warehouse and no strong mechanical vibration, impact
and magnetic field. The packing box should be at least 20CM off the ground and at least 50CM
away from the heat source and window air inlet.
After-Sales and Warranty Policy
It is composed of online customer service and telephone customer service, providing product consultation,
remote technical support, maintenance and acceptance services.
Service Policy: Three-month replacement and three-year warranty.
Replacement: Within three months of purchasing a series of products, after testing the product failure
by technicians and man-made damage caused by non-natural disasters, the purchaser can directly
go to the purchasing point to replace the same type of products.Or a product of comparable performance.
If there is no trouble in product testing, the original sample will be returned.
Warranty: Man-made damage caused by non-natural disasters, our company's free warranty period is 1 year.
[The following circumstances do not fall within the scope of replacement and free maintenance]
1.Damage caused by operation and maintenance not in accordance with the instructions in the product manual.
2.Damage caused by human factors, such as inappropriate voltage input, water intake and breakage.
3.Damage to products caused by natural disasters, such as lightning, earthquakes, fires, etc.
3.Unauthorized alteration of the inherent settings or repair without the company's permission.
4.Products beyond the scope of free maintenance.
5.Damage caused by transportation, loading and unloading during repairs sent by customers.
6.The product bar code or model on the product warranty card does not conform to the product itself.
7.Failure or damage caused by other non-product problems such as design, technology, manufacturing and quality.
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