Jooehyer PCI-E to 4-Port RS232 Serial Card AX99100 Chip DB9 COM Expansion Riser Adapter Converter for Desktop PC

power chip, 5v/12v power supply can be realized without external power supply Support special baud rate options The serial port can realize power supply on pins 1 and 9 The product can obtain 4 serial communication ports through the PCI-E slot of the PC host. It adopts the industry's stable and AX99100 chip with strong compatibility. Its good electrical performance design and stable and fast communication capabilities a wise choice for users of automation engineering applications Computer host suitable for PCI-E slot, can provide 4 standard DB9 pin RS232 serial ports, each port is fully serial modem controlled with a bidirectional speed of up to 25Mbps, supports remote wake-up and power management functions