1.PCI to 4 Ports 2.RS422/485 Serial Card 3.Photoelectric Isolating & Lightning Protection

Features:

  Plug and Play;  Signal wire T+,T-,R+,R-,GND;  Set 422/485 through jumper;  Photoelectric isolated continuous 2500 V, pulse 7 KV  1500 V power supply isolation  DB37/M TO DB9/M  Automatically configures IRQ and I/O Address  Support 32 bit PCI bus  Meet PCI2.1 standard  Built-in 16Byte FIFO  The transfer rate up to 115 KBPS  Supports Win95/98/98SE/2000/ME/NT4.0/XP/ Linux/DOS/Mac OS

PCI to 4 Ports RS422/485 Multi Port Serial Parallel Extender Card