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- 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)
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