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  • $17.49
  • Free 30-day Returns
  • Ships from China.
    Sold by Tech Cabin
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    3.6 (31 seller ratings)

    Shipped by Tech Cabin

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    DB9 Male to RJ45 Female RS232 Serial Adapter, RJ45 to 9Pin RS232 Converter, Serial COM Port to RJ45 Network Port Adapter, Extend RS232 Signal via CAT5/CAT6 Ethernet Cable

    • DB9 Male to RJ45 Female adapter, converts RS232 COM serial signal for transmission over standard RJ45 network cables.
    • Extend serial communication distance, ideal for device debugging, industrial controllers, switches, and console configuration.
    • Plug and play without driver or external power supply, easy wiring inside control cabinets and server racks.
    • Precision internal wiring, sturdy molded housing, ensures stable serial data transmission for long-term continuous operation.
    • Works with CAT5, CAT5e, CAT6 cables; widely used for industrial equipment, POS machines and network device console ports.
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    Any questions? Our AI mode will help you find out quickly.

    This DB9 Male to RJ45 Female RS232 converter serves as a signal transfer adapter between standard 9Pin RS232 serial COM port and RJ45 interface. It allows RS232 serial signals to be transmitted through common Ethernet cables, breaking the short-distance limitation of traditional DB9 serial wires.

    It complies with standard RS232 communication protocol. For long-distance serial extension, two such adapters paired with a network cable can realize remote serial data communication. This solution is extensively adopted for network switch console debugging, industrial control equipment, monitoring devices and POS serial peripherals.

    No complicated setup is required. Simply plug the adapter into your serial device and connect an RJ45 network cable. No driver installation or extra power adapter needed. The compact structure occupies little space and fits neatly inside equipment cabinets.

    Built with robust plastic casing and precise pin arrangement, the adapter delivers consistent contact performance and resists minor extrusion and vibration.

    Notice: This adapter only transmits RS232 serial signals. It cannot transmit TCP/IP network data. Please verify the pin definition matches your equipment requirements before purchase. Normally two adapters are needed for bidirectional long-distance serial extension.


    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: non-replaceable
    • This item is covered by Tech Cabin Return Policy

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