TH-G520-4SFP Industrial Ethernet Switch

Model Number:TH-G520-4SFP

Brand: Todahika

  • Support 10K bytes jumbo frame
  • Support ITU G.8032 standard ERPS Redundant Ring protocol

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Product Description

TH-G520-4SFP is a new generation Industrial Managed Ethernet switch with 16-Port 10/100/1000Bas-TX and 4-Port 100/1000 Base-FX Fast SFP that offers high-speed data transmission and efficient network management.

It features 16 Gigabit Ethernet ports with data transfer rates of up to 1000Mbps, as well as 4 SFP slots that support 100Mbps and 1000Mbps SFP modules.

The TH-G520-4SFP supports multiple protocols, including SNMP, CLI, Telnet, and web-based management. This allows network administrators to easily monitor and control network traffic, prioritize 

We are a professional team, our members have many years of experience in international trade. We are a young team, full of inspiration and innovation. We are a dedicated team. We use qualified products to satisfy customers and win their trust. We are a team with dreams. Our common dream is to provide customers with the most reliable products and improve together. Trust us, win-win.


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  • ●    16x10/100/1000Base-TX RJ45 ports, 4×100/1000Base-FX Fast SFP ports

    ●    Support 4Mbit packet buffer.

    ●    Support 10K bytes jumbo frame

    ●    Support IEEE802.3az energy-efficient Ethernet technology

    ●    Support IEEE 802.3D/W/S standard STP/RSTP/MSTP protocol

    ●    -40~75°C operation temperature for harsh environment  

    ●    Support ITU G.8032 standard ERPS Redundant Ring protocol

    ●    Power input polarity protection design

    ●    Aluminum case, no fan design

    ●    Installation method: DIN Rail /Wall mounting 

    Model Name Description
    TH-G520-4SFP Industrial managed switch with 16×10/100/1000Base-TX RJ45 ports and 4×100/1000Base-FX SFP ports, dual power input voltage 956VDC
    TH-G520-16E4SFP Industrial managed switch with 16×10/100/1000Base-TX POE RJ45 ports and 4×100/1000Base-FX SFP ports, dual power input
    TH-G520-4SFP-H Industrial managed switch with 16×10/100/1000Base-TX RJ45 ports and 4×100/1000Base-FX SFP ports, single power input voltage 85-265VAC
    Ethernet Interface
    Ports 16×10/100/1000BASE-TX RJ45, 4×100/1000BASE-X SFP
    Power input terminal Six-pin terminal with 5.08mm pitch
    Standards IEEE 802.3 for 10BaseT

    IEEE 802.3u for 100BaseT(X) and 100BaseFX

    IEEE 802.3ab for 1000BaseT(X)

    IEEE 802.3z for 1000BaseSX/LX/LHX/ZX

    IEEE 802.3x for flow control

    IEEE 802.1D-2004 for Spanning Tree Protocol

    IEEE 802.1w for Rapid Spanning Tree Protocol

    IEEE 802.1p for Class of Service

    IEEE 802.1Q for VLAN Tagging

    Packet Buffer Size 4M
    Maximum PacketLength 10K
    MAC Address Table 8K
    Transmission Mode Store and Forward (full/half duplex mode)
    Exchange Property Delay time < 7μs
    Backplane bandwidth 48Gbps
    POE standards IEEE 802.3af/IEEE 802.3at POE
    POE Consumption max 30W per port
    Power Input Dual power input 9-56VDC for non-POE and 48~56VDC for POE
    Power consumption Full Load<15W non-POE);  Full Load<495W POE)
    Physical Characteristics
    Housing Aluminum case
    Dimensions 160mm x 132mm x 70mm (L x W x H)
    Weight 600g
    Installation Mode DIN Rail and Wall Mounting
    Working Environment
    Operating Temperature -40℃~75℃ (-40 to 167 ℉)
    Operating Humidity 5%~90% (non-condensing)
    Storage Temperature -40℃~85℃ (-40 to 185 ℉)
    MTBF 500000 hours
    Defects Liability Period 5 years

    Certification Standard


    FCC Part15 Class A



    IEC 60068-2-27Shock

    IEC 60068-2-6Vibration

    IEC 60068-2-32Free fall

    IEC 61000-4-2 ESD): Level 4

    IEC 61000-4-3 RS): Level 4

    IEC 61000-4-2 EFT): Level 4

    IEC 61000-4-2 Surge): Level 4

    IEC 61000-4-2 CS): Level 3

    IEC 61000-4-2 PFMP): Level 5


    Software Function

    Redundant Networksupport STP/RSTPERPS Redundant Ringrecovery time < 20ms
    Multicast IGMP Snooping V1/V2/V3
    Link AggregationDynamic IEEE 802.3ad LACP LINK Aggregation, Static Link Aggregation
    QOS: Support Port, 1Q, ACL, DSCP, CVLAN, SVLAN, DA, SA
    Management Function: CLI, Web based management, SNMP v1/v2C/V3, Telnet/SSH server for management
    Diagnostic Maintenance: port mirroring, Ping Command
    Alarm management: Relay warning, RMON, SNMP Trap
    Security: DHCP Server/ClientOption 82 support 802.1XACL ,support DDOS
    Software update via HTTP, redundant firmware to avoid upgrade failure 


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