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Linear Card Reader Interface for AMP3PLUS


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Interface For Swipe Card Readers Or Other Wiegand Devices

The AM-CRI Card Reader Interface is designed for use with Linear’s access control systems. To use AM-SR swipe card readers or a variety of other Wiegand devices in a Linear access control system, this Card Reader Interface is required.

It will support up to two 26 or 31-bit Wiegand input devices from any manufacturer, permitting easy interconnection of card readers, proximity readers, or other devices that use the industry standard. If the readers used have a hold or buffer connection, two readers may be used to the AM-CRI. If the readers do not have a hold or buffer connection, one reader may be used with the AM-CRI.

The Card Reader Interface mounts near the readers and connects to the system controller through a six-wire cable. Power is supplied to the interface and the reader or readers from the controller or an external source for locally powered readers.

Security Products, Access Control & More By Linear

For more than forty years Linear LLC has been known as a worldwide provider of radio based transmitters and receivers for the traditional security market. Millions of Linear transmitters have been sold over the years. Linear security products are offered via a worldwide network of distribution. While Linear continues to be a leading supplier of devices for the security market, we have expanded our product lines to include focused product lines in the Access Control, Remote Control and Garage Door Operator markets.


  • For equipping a Linear access control system with one or two Wiegand devices
  • Card Reader Interface can be used with up to two 26 or 31-Bit Wiegand input devices
  • Power is supplied by system controller or external source for locally powered readers
  • 4.45" W x 5.75" H x 1.5" D