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3420 ISA 8-Port RS-232 Serial Interface
3420 ISA 8-Port RS-232 Serial Interface

Part# 3420

(COMM+8)

ISA 8-Port RS-232 Serial Interface


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THIS PRODUCT IS OBSOLETE DUE TO LACK OF COMPONENT AVAILABILITY. PLEASE CONTACT YOUR SALES REPRESENTATIVE FOR FURTHER INFORMATION AND NEW PRODUCT ALTERNATIVES.

Sealevel will support legacy products through technical and warranty support, software drivers and product manuals. Please contact Sales for further information. For new product designs, we recommend the 7803 (PCI) or 7803e (PCI Express).

The 3420 ISA serial interface card provides eight RS-232 ports. This product features extended interrupt support, individually selectable or sharable interrupts and an onboard interrupt status port for maximum Windows flexibility. For user's that require custom baud rates, isochronous communications, or 9-bit protocol, the 3420 ISA serial interface is available with the Oxford 16C950 UART, part number 3420-SN.

Note: This item has a minimum order quantity (MOQ) of 25 units. Please contact your sales representative with any questions.
Host Interface(s) ISA
# of Ports 8
Electrical Interface RS-232
UART Series 550 UART
Serial Connector(s) DB25M
Communications Chip 16550
Max Data Rate 460.8K bps
Max Data Distance 50 feet
Power Requirement +12V @ 30mA
-12V @ 50mA
Current Specifications +5V @ 240mA
Operating Temperature 0 - +70C
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
• The ISA 8 Port RS-232 Interface occupies 64 consecutive I/O locations user selectable as: consecutive with DIP-switch or customizable with PAL option
• Shareable IRQ level (2-5, 7, 10-12 and 15)
• Supports standard PC data rates up to 460.8K bps






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