The 7804 is a multi-interface, eight port, Universal Bus (3.3V or 5V) compatible PCI adapter. Offering eight individual field-selectable RS-232, RS-422, or RS-485 channels, the Ultra COMM+8.PCI delivers ultimate flexibility for expanding serial communications.
The 7804 supports standard PC data rates and boasts a top speed of 921.6K bps. The board is designed using the XR16C864 UART, which provides a 128-byte FIFO, eight times larger than boards designed with 16C550 compatible parts.
The larger buffers allow error free operation even in high-speed applications. In RS-485 mode the board provides automatic control of the RS-485 driver enable for trouble free network master arbitration.
Additionally, RS-485 network termination, critical to robust multi-drop communication, can be selectively added to the circuit via DIP-switches.
Features
- Manufacturer : Sealevel
- Communication : Asynchronous
- Interface : RS-232/422/485 Interface
- Ports : 8
- UART : 16C854
- Max. Data Rate : 921.6Kbps
- Max. Data Distance : up to 4000ft
- Bus : Universal Bus (3.3V and 5V) compatible
- Connectors : 1 x DB78M to 8 x DB9M
- Operating Temperature : 0 to +70C
- Software : SeaCOM software drivers included
- Warranty : Lifetime Warranty