Managing door strikes and gate access across multiple entry points shouldn't require proprietary hardware or complicated installs — the Viking SRC-1 gives you secure, touch-tone programmable relay control that works with virtually any analog entry phone or door box you already have in place. The SRC-1 connects alongside Viking door boxes, entry phones, and hotline panel phones to give you programmable control over door strikes and gates from any touch-tone phone. A six-digit security code protects access to programming, and non-volatile memory keeps all your settings intact through power outages. With support for up to 32 keyless entry codes, a programmable relay activation time, and a trigger input for contact closures from postal locks or request-to-exit devices, this controller handles the full range of real-world access scenarios without extra equipment. The SRC-1 runs on any 12–24V AC or DC power source, making it easy to integrate into new or existing installations. Built-in LEDs provide instant visual confirmation of power status and relay activation, so you always know the system is working. Whether you're securing a single door in a small office or managing entry across a multi-tenant building, the SRC-1 fits cleanly into your setup. Our Expert Take: The SRC-1 is a natural companion to Viking entry phones like the E-10A, E-20B, E-30, E-40, E-50, or K-1700-3 when you need to keep relay control separate from the entry phone itself — particularly in high-security applications where you want an additional layer of programmable code protection. The switchable 32V talk battery is a practical detail that makes compatibility with a wider range of door boxes straightforward, and the trigger input for request-to-exit or postal lock contact closures adds flexibility you'll appreciate in commercial lobby and multi-tenant deployments. Key Features Secure touch-tone programmable relay controller for door strikes and gate control Compatible with Viking door boxes (W-1000, etc.), entry phones (E-10A, E-20B, E-30, E-40, E-50, K-1700-3, etc.), and hotline/panel phones (K-1500-7, K-1900-7, etc.) 6-digit programmable security code protects access to programming Non-volatile memory retains all programming during power outages Programmable relay activation time and 1–2 digit or ** relay activation code 32 keyless entry codes supported Programmable allow/restrict settings for dialing and keyless entry from the entry phone Trigger input for contact closure devices including postal locks and request-to-exit buttons Switchable 32V talk battery for broad compatibility Operates on any 12–24V AC or DC power source LED indicators for power status and relay activation Technical Specifications Power Input: 12–24V AC or DC Talk Battery: Switchable 32V Security Code: 6-digit programmable Relay Activation Code: 1–2 digits or ** Keyless Entry Codes: 32 Memory: Non-volatile (retains programming during power loss) Indicators: LED for power and relay activation Trigger Input: Contact closure (postal lock, request-to-exit, etc.)
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