PCI interface with two configurable serial ports for RS-485 or RS-422. The 7204 PCI serial interface provides two serial ports, each individually configurable for RS-422 or RS-485. The board is capable of data rates to 460.8K bps and automatically handles RS-485 transmitter enable/disable. The 7204 utilizes 16C850 UARTs that provide 128-byte Tx/Rx FIFOs. Ordering options allow the choice of UARTs with support for custom baud rates and 9-bit protocols.
Features:
- Compliant with RoHS and WEEE directives
- Each port individually configurable for RS-422 or RS-485
- 16C850 buffered UARTs with 128-byte FIFOs
- Data rates to 460.8K bps
- Automatic RS-485 enable/disable
- Two DB-9M connectors
