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    POE Switch
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    Gigabit PoE switch 4 RJ45 port and 1 SC fiber port
    Gigabit PoE switch 4 RJ45 port and 1 SC fiber port
    PMD-POE-1F4E-G
    10/100/1000Mbps adaptive Fast Ethernet fiber optic transceiver (also known as photoelectric medium converter), built-in 4-port 10M/100/1000Mbps adaptive switch, can convert 4 independent 10/100Base-T and 1000Base-TX dual The twisted wire electrical signal and the 1000Base-FX optical signal are converted to each other. It extends the transmission distance of the network from the limit of 100m of copper wire to 20Km (single-mode full-duplex mode). Two different network connection media types are supported: 10/100/1000Base-TX and 1000Base-FX, and data transmission between the two network connection media is realized by using switching technology and store-and-forward technology. Support dual-fiber single-mode and single-fiber single-mode multiple optical fiber transmission.
    Specifications:
    ◆Provide four independent 10M/100/1000Mbps self-adaptive switched twisted pair ports to realize electrical port backup and multi-user access
    ◆Adopt 1310/1550nm or 1310/1550nm DFB single-fiber optoelectronic integrated module, with stable and reliable performance.
    ◆Single-fiber optical fiber transceivers must be used in pairs, that is, 1310nm transmit, 1550nm receive and 1550nm transmit, 1310nm receive paired to use
    ◆Single-fiber optical fiber transceiver uses one optical fiber to realize bidirectional data transmission, which has the same function as dual-fiber, but can save one optical fiber
    ◆Using a unique switch chip design, with 4M SSRAM buffer, 2K MAC address table
    ◆Broadcast filtering function, address automatic learning and automatic update function and operation mechanism of store and forward
    ◆Ethernet 10Base-T or 100/1000Base-TX to 100/1000Base-FX fiber media converter
    ◆Support IEEE 802.3, IEEE 802.3U, IEEE 802.3X, IEEE 802.1d
    ◆Support full-duplex flow control or half-duplex back-pressure flow control, and have Auto Negotiation capability
    ◆Support 10Mbps and 100Mbps/1000Mbps automatic adaptation (the bandwidth can reach 200Mbps when working in full duplex)
    ◆High-quality optoelectronic integrated modules provide good optical and electrical characteristics to ensure reliable data transmission and long working life
    ◆Provide remote link loss diagnosis, electrical port link and optical port link connection diagnosis, dynamic data transmission, full/half duplex, speed indicator
    ◆Provide dual RJ-45 electrical port NIC and HUB, use NIC to connect computer network card or HUB to connect switches and hubs
    ◆External high-precision power supply, small chassis design unique appearance
    ◆Internal power consumption: 3.5w (Input: AC140 ~ 260V)
    ◆Mean failure-free working time is more than 50,000 hours, in line with carrier-class operation standards


    Type: independent desktop, external power supply
    Size: 145mm×90mm×35mm

     

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