About this item
DB9 serial cable RS232 female to female 9-pin data extension cable is used for two computer to access each other, two devices communicate without data transmission conflict, send and receive signals to cross to ensure correct data transmission
DB9 serial cable allows you to flexibly expand computer peripherals where needed, each extension cable is fully shielded to prevent unnecessary EMI/RFI interference,Connector thumbscrews provide quick and easy connection every time.
The DB9 serial cable uses high-quality nickel-plated connectors and plugs and a high-quality PVC injection housing,With wear-resistant, durable, smooth transmission and other functions