Lenel offers a Dual Reader Interface module for access control solutions. Most access control card readers, keypads, or readers with keypads that use standard Wiegand Data1/ Data0 or Clock/Data communication are supported, as are those that support the bidirectional RS-485 Open Supervised Device Protocol .

LNL-1320-S3 Lenel Dual Reader Interface Module 
LNL-1320-S3 Lenel offers a Dual Reader Interface (DRI) module for access control solutions. Most access control card readers, keypads, or readers with keypads that use standard Wiegand Data1/ Data0 or Clock/Data communication are supported, as are those that support the bidirectional RS-485 Open Supervised Device Protocol (OSDP). Lock, unlock, and facility code offline access modes are supported on all readers connected to the DRI. 

Each DRI supports up to 16 different card formats as well as issue codes for both magnetic and Wiegand card formats. The DRI provides a vital link between the Intelligent System Controller (ISC) and the card reader attached to the interface. As many as 32 DRI modules can be multidropped using RS485 2-wire or 4-wire communication up to 4,000 feet per port away from the ISC. 
 

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