The Algo 3400 System Software is a Windows-based configuration software package that provides a simple user interface to monitor and configure the Algo 3400 Security Intercom System. Allows for easy configuration of system options, activity logging, and e-mail reporting.   
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The 3401 Station Line Card is the interface for the 3201 Digital Door Station. Each 3401 can support two 3201 Stations.  
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The 3406 Gateway Card interfaces with a single analog telephone or an analog trunk port on a telephone system. It generates ring tone, caller ID, and a unique dial tone to distinguish it from a standard connected telephone.   
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Connects one 320X Digital Door Station to one PBX analog station port similar to the 3228 Doorphone.   
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The 3410 Shelf can support up to 16 Station or Gateway cards and a single Control Card. Shelves may function independently or up to 64 shelves can be connected together.  
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The 3411 Control Card is required for each 3410 Shelf. It controls and configures all cards in the shelf. It also controls communications between shelves and monitors system health.   
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The 3201 Digital Door Station is a two-way half-duplex digital intercom with intelligent voice switching. Featuring an attractive brushed stainless steel finish, its robust housing is ideal for harsh environments.  
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The 3202 Digital Door Station is a two-way half-duplex digital intercom with intelligent voice switching. Featuring an attractive brass finish, its robust housing is ideal for harsh environments.  
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The 3203 Vandal-Proof Digital Door Station is a rugged and vandal-resistant door station.The unit is a two-way half-duplex digital intercom with intelligent voice switching. Featuring a solid milled aluminum anodized faceplate, its robust housing is ideal for harsh environments.  
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