7804
7804

7804

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Price: $449.00
On sale: $440.02
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Part number:7804
Quantity pricing
Quantity
Price
  • 3 - 4
  • $440.02
  • 5 - 9
  • $431.04
  • 10 - 24
  • $417.57
  • 25 - 49
  • $399.61
  • 50 - 99
  • $395.12
  • 100+
  • $386.14
PCI 8-Port RS-232, RS-422, RS-485 Serial Interface

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 7804 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:
  • Compliant with RoHS and WEEE directives
  • Each port individually configurable for RS-232, RS-422, or RS-485
  • 16C864 buffered UARTs with 128-byte FIFOs
  • Data rates to 921.6K bps
  • Universal Bus compatible (3.3V and 5V signaling)
  • Requires 3.3V power on PCI bus
  • Automatic RS-485 enable/disable
  • Included 36? cable terminates to eight DB9M connectors (Item# CA145)

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