Non-Intelligent Board, Low Cost Alternative!

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Cyclone16/550
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Product Description

The Cyclone16/550 is a non-intelligent, low cost alternative to the Cyclone16/32 Serial Expansion Unit. If you don't need a board that has the fastest data rates, or the largest FIFO's, the Cyclone16/550 is for you!

You'll see that the Cyclone Family Serial Expansion Units are unlike any other multiport board on the market today. These new products are the solution to Internet and Intranet Connectivity!

Cyclone16/550 Features:

  • 16C550 Non-intelligent UARTS
  • Data rates up to 115.2 Kbps on all ports! 16 byte transmit/receive FIFO's
  • Flexible addressing selections. There are 8 addressing modes (6 vertical and two horizontal modes) to choose from.
  • Flexible IRQ selections.
  • Operating systems supported: WindowsNT, Windows95, Linux, FreeBSD, BSDI, OS/2 (using SIO) and DOS.
  • Compatible with all popular BBS/Internet software: PCBoard, MajorBBS, Worldgroup, , Metaworlds, Esoft, Durand Mindwire, Wildcat, and much more!

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Technical Specifications

Cyclone16/550 Serial Expansion Unit

I/O Card

Dimensions3" x 6"
Bus TypeISA - PC Compatible
Card Slot16-bit
Card Style -size
ConnectorsISA Edge Connector; DB-25 female
EnvironmentalOperating Temperature: 0-70 degrees Celsius
Operating Humidity: 0-95% relative humidity (non-condensing)
Electrical+5V @ 250mA/+12V @ 500mA (Cyclone-16) or 1A (Cyclone-32)-12V (none)
Protective DevicesRaychem Polyfuses (auto-reset) protect against damage from connection of improper devices to I/O card.
I/O Addressing8; 2 horizontal and 6 vertical modes
IRQ 's Supported9; IRQ 's 2,3,5,7,10,11,12,15

Expansion Unit

Dimensions5" x 12.25" x 1.3"
Enclosure6061-T6 Aluminum
PaintPowder Coat, color "White Knight"
LabelingEpoxy, Silk Screen Process, two color (Black with Red spot color)
ConnectorsDB-25 (1 ea.), DE-9 (16 per expansion unit)
IndicatorsRed LED's, Power and Activity
Electrical+12V, -12V, +5V supplied by I/O card.
Environmental0-70 degrees Celsius 0-95% relative humidity (non-condensing)
Interconnection Cable6 foot DB25M to DB-25F
Data CablesC16M - 16-6 foot DE-9 to DB-25 (standard) other lengths available.
Interface StandardEIA-232 (RS-232C)
Number of I/O Ports16 (max. per I/0 board)
Data FormatAsynchronous, start + data + stop bits.
Data Rates110 bps to 115.2 Kbps
I/O Connector Configuration DTE (Data Terminal Equipment)
TechnologyUniversal Asynchronous Receiver Transmitter (UART)
Processor TypeNon-Intelligent UART - proprietary to component mfgr.
UART Part Number16C550
FIFO Depth16 bytes transmit, 16 bytes receive


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