Sunix 4056P DB44 to 4Port DB9 RS232 Breakout Cable, 1to4 Serial Expansion Adapter Cable for Sunix 4056P PCI Serial Controller Card, Industrial COM Port Extension Cord

This Sunix 4056P dedicated breakout cable converts a single DB44 port on Sunix 4056P PCI serial controller card into four separate DB9 male RS232 COM ports. It offers a simple external expansion solution to connect multiple RS232 serial devices without extra serial addon cards, ideal for industrial PC, automation control system, POS terminal and serial equipment debugging projects.

Each DB9 connector retains complete RS232 signal pins including TxD, RxD, RTS, CTS, DTR, DSR, GND and RI, supporting hardware flowcontrol communication. Reinforced cable joints prevent wire fracture caused by frequent plugandunplug and chassis vibration. Clear channel distinction helps hardware installation and field maintenance.

This is signalonly breakout cable, it must pair with Sunix 4056P serial controller card to work properly. No driver required, the driver is provided by the matched PCI serial card. Compatible with mainstream Windows operating systems for industrial desktop computers.

Important note: This cable only fits Sunix 4056P controller card. It cannot work with other brand or othermodel serial cards directly. Please confirm your serial card model and DB44 pin definition before purchase. For longdistance serial transmission, please use shielded wiring and follow RS232 communication specification.