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8208FX USB to 16 Reed Relay Outputs Digital Interface Adapter
8208FX USB to 16 Reed Relay Outputs Digital Interface Adapter

Part# 8208FX

(SeaLINK REL-16)

USB to 16 Reed Relay Outputs Digital Interface Adapter

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The SeaLINK® 8208FX USB digital I/O interface adapter provides 16 outputs for PC-based control and automation of equipment.

The Reed relay outputs provide high quality, long-life, low current (10 Watt maximum) dry contact switch closures. Our unique serial string naming feature allows multiple USB digital I/O devices to retain their specific identity within the system. Onboard removable screw terminals are provided to simplify wiring connections. A DIN rail mounting option is available.

Sealevel's SeaIO Classic software drivers and utilities make installation and operation easy using Windows operating systems.

To simplify installation and configuration, a printed copy of the USB Digital I/O QuickStart Guide is included with all USB Digital I/O orders.

Important: If you are a previous customer of non-FX SeaLINK digital I/O adapters, you must update your SeaIO driver for proper operation of this 8208FX module. Please read this Support Article for details.

Get a jumpstart on your digital I/O development with The Digital I/O Handbook that will provide helpful information that you will use again and again. Check out Chapter 1 for an overview of logic principles.
Brand/Family SeaLINK
Host Interface(s) USB
# of Ports 16
Digital I/O Reed Relay Outputs
Number of Inputs/Outputs 16 Outputs
USB Specification 1.1 Compliant
2.0 Compatible
Power Requirement +5V @ 500mA
Contact Voltage 100 VDC/VAC
Contact Current 500 mA
Field Wiring 12 - 30 AWG
Board Connector 5.08mm Screw Terminals
Operating Temperature 0 - +70C
Extended Temperature Call for Options
Storage Temperature -50 - +105C
Humidity Range 10 - 90% Relative Humidity, Non-Condensing
Dimensions 7.1 (L) x 5.3 (W) x 1.5 (H)
  • • 16 Reed relay outputs (SPST)
  • • Highly reliable 10VA DIP Reed relays
  • • Two 16-pin removable screw terminals simplify field wiring
  • • Powered by USB connection
  • • DIN rail mounting option available (Item# DR102)
  • • Includes 6' USB device cable (Item# CA179)
  • • Sealevel SeaIO Classic software supports Windows operating systems

The Digital I/O Handbook
The Digital I/O Handbook


Rackmount Clamp
Rackmount Clamp


The Digital I/O Handbook (*Free)
The Digital I/O Handbook (*Free)


DIN Rail Mounting Clips
DIN Rail Mounting Clips


2U 19 In. Rack Tray
2U 19 In. Rack Tray


Proudly Made in the USA
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