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6-Pack DB9 RS232 Serial Gender Changer Coupler, 9Pin DB9 Male to Male & Female to Female Serial Port Adapter for Industrial Equipment, POS Machines, PLC Controllers
- 6-piece mixed pack contains M-M and F-F DB9 couplers to meet various serial connection needs
- Standard 9Pin RS232 serial pinout ensures stable data transmission for industrial devices
- Compact gender changer design extends and connects two DB9 serial cables conveniently
- Solid metal shielding shell reduces electromagnetic interference for long-distance signal stability
- Plug-and-play without drivers, widely compatible with PLC, POS, serial scanners, industrial controllers
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This set includes 6 pieces of DB9 RS232 serial port couplers with two types: male-to-male and female-to-female 9Pin connectors. It serves as a serial gender changer to link two DB9 cables together, extending the connection distance of RS232 serial lines for industrial control equipment, cash registers, serial scanners, monitoring devices and PLC controllers.
The full 9Pin complete pin conduction design guarantees uninterrupted bidirectional serial data transmission, avoiding data loss or communication failure during equipment debugging and data upload. Built-in metal shielding casing effectively blocks external electromagnetic interference, maintaining stable signal output in complex factory and machine room environments.
Small and lightweight for easy storage and field wiring. No extra software or power supply needed, just plug two serial cables into both ends of the coupler for instant communication connection.
Perfect for industrial equipment debugging, supermarket POS machine wiring, serial device maintenance and laboratory instrument connection scenarios.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
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