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The 7402 PCI interface provides four 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 7402 utilizes 16C850 UARTs that provide 128-byte Tx/Rx FIFOs and ships with a 36-inch cable that terminates to four DB-9M connectors.
Sealevel’s SeaCOM software makes installation and operation easy using Microsoft Windows and Linux operating systems.
Stable, reliable and easy to install.
I work for a defense contractor and we depend on the 7402 card for analog to digital synchronization applications. The unit is very easy to install with the included software and once you have it set up, there is no need for any future maintenance or updating.
I have never had any driver, compatibility or BSOD issues with 7402 and we have them installed in a dozen computers being used on a daily basis.