DB9 Female to RJ45 Female Adapter
Passive adapter converts a DB9 female (RS-232) socket to an RJ45 female jack, enabling CAT5/6 cable runs between legacy serial equipment. No power required.
Start wiring
Ethernet · UART · SPI · Shield
Verify supply voltage and logic levels before powering up.
Wired comms
118 other optionsW5100/W5500 Ethernet shields, LAN8720 RMII PHY boards, MAX3243 RS-232 level shifters, isolated USB-to-RS485 converters, CAN FD bridges, and passive or active PoE injectors and splitters.
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