Sealevel 7204

7204 ULTRA COMM+2.422 PCI 2-Port RS-422, RS-485 Serial Interface

Description

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 ofUARTs with support for custom baud rates and 9-bit protocols.

Sealevel’s SeaCOM software makes installation and operation easy using Microsoft Windows and Linux operating systems.

• • 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