What are the Pin outs of the 9 pin D connector for my RS232 or RS422/485 port? RS232/422/485 Adaptors>> This FAQ Applies to the following Brainboxes Product Ranges: BL - Bluetooth Serial Adapter CC - PCI Serial Cards ES - Ethernet to Serial PM - Serial PC Card (PCMCIA) PX - PCI Express Serial Cards UC - uPCI Serial Cards UP - uPCI Powered Serial Cards US - USB to Serial VX - Serial ExpressCard