SerialGear PCMCIA Single Port RS-422/485 Card with Isolation and Port Protection

One 16C950 UART Serial Port over PCMCIA Slot Supports RS-485 Auto Transceiver Turn Around by Unique Featured ATTA Hardware 4-wire RS-422/485 and 2-wire RS-485 applications Isolated and 15KV ESD Surge Protection Fully 32-bit CardBus Type-II Slot, 16-Bit PCMCIA R7.1 and backward Compatible