4-port RS-232 Communication Card

• Four or eight RS-232 or RS-422/485 serial ports
• Transmission speeds up to 921.6 kbps
• Independent/shared IRQ settings between each of the 4 serial ports
• Wide IRQ selection: 3, 4, 5, 6, 7, 9, 10, 11, 12 or 15
• Supports COM1, COM2, COM3, and COM4
• Provides 1000 VDC isolation (PCL-846 only)
• Provides 2000 VDC EFT Surge Protection (PCL-846B only)
• Provides 3000 VDC EFT Surge Protection(PCL-849B, PCL-849+, PCL-858B)
• Space reserved for termination resistors
• Supports 2 wire or 4 wire operation
• Automatic RS-485 data flow control or RTS control
• Supports Windows® 98/ME/2000/XP, Linux
• Powerful and easy-to-use utility (ICOM Tools)