Miscellaneous Electronics
8 Serial Port Controller Card Mini PCIe DB9 RS232 Adapter Mini PCI-E Card 15 KV ESD Protection EXAR 17V358 Chip
Sleep mode and wake up indicator Direction Control: Adopts technology to automatically control the direction of data flow, automatically identify and control the data transmission direction 256 bytes and FIFO No flow control, hardware and xon/xoff...
https://www.bizrate.co.uk/miscellaneouselectronics/8-serial-port-controller-card-oid40336177701.html