SealevelCOMM+8.PCIePCI Express 8 Port RS-232/422/485 Serial Interface
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|PCI Express 8 Port RS-232/422/485 Serial Interface|
The 7804ec PCI Express serial interface provides eight multifunction serial ports, each individually field-configurable for RS-232, RS-422, or RS-485. Each serial port features an ultra high-speed UART, flexible clock prescalar, and large 256-byte Tx/Rx FIFOs allowing the adapter to support the widest range of standard and non-standard baud rates to 230.4 Kbps (RS-232) and exceeding 1 Mbps (RS-422/485).
In RS-485 mode the board provides automatic control of the RS-485 driver in hardware, eliminating the need for application software control. This allows the 7804ec to be used with standard serial communications applications and removes the risk of bus contention and data corruption. Additionally, RS-485 network termination, critical to robust multi-drop communication, can be selectively added to the circuit via DIP-switches. In RS-232 mode, all modem control signals are implemented for maximum compatibility with a variety of serial peripherals.
The Sealevel SeaCOM software driver and utilities make installation and operation easy using Microsoft Windows operating systems.
The 7804ec is a PCI Express X1 board compatible with any standard profile PCI Express slot. The board ships with a 36-inch spider cable that terminates to eight DB9M (Item# CA145) connectors.
Serial & Digital I/O