Classified under D‑SUB cable assembly series, this DB9 male to female extension cable integrates ferrite cores to suppress electromagnetic noise, delivering stable serial signal transmission in noisy industrial environments.
As a professional
D‑SUB wire harness manufacturer in China, we offer comprehensive customization: cable length, wire gauge, pin assignment, overmolding and shell styles. Different housing appearances are acceptable while keeping identical electrical parameters, ideal for project‑specific serial port interconnection requirements.
Product Specifications
✅Connector: DB9 Male to DB9 Female
✅Noise suppression: Built‑in ferrite core for anti‑interference
✅Locking: Metal locking screws for vibration‑proof secure connection
✅Cable: Shielded signal wire
✅Working temperature: ‑20℃ ~ +70℃
✅Customizable items: total length, pin‑out, wire AWG, overmold shape, cable color
Key Product Advantages
1、Ferrite core anti‑interference design: Effectively filters high‑frequency interference, avoids serial data loss on‑site.
2、Lock‑in screw structure: Firmly fastens to devices, prevents loose contact under equipment vibration.
3、Flexible factory custom service: Support custom wiring, special overmolded housing, samples and drawing confirmation before mass production.
4、Shielded construction: Reduces outside signal disturbance for reliable RS232 serial communication.
Application & Working Scenarios
Suited for RS232 serial signal extension across multiple fields:
✅Industrial automation: PLC, inverter, servo controller serial communication wiring
✅Test & measuring equipment: Lab instruments, diagnostic device data link
✅Cabinet wiring: Industrial control cabinet internal serial port extension
✅POS terminal, access‑control device serial signal connection
✅Retrofit projects requiring custom‑length DB9 extension harness
