{"product_id":"tcp-ip-20-40-door-cabinet-locker-elevator-access-control-kit","title":"TCP\/IP 20\/40 Door Cabinet \u0026 Elevator Access Control Kit","description":"\n\u003ch2\u003eTCP\/IP 20\/40 Door Cabinet Locker Controller \u0026amp; Elevator Floor Access Control Kit\u003c\/h2\u003e\n\u003cp\u003eTake your building security to the next level with the Asia-Teco CW20\/CW40 TCP\/IP Access Control System — a powerful, scalable solution engineered to manage up to 40 locker cabinet doors or control elevator floor access from a single card reader. Whether you're securing a storage room, mailroom, office lockers, or managing multi-floor elevator privileges in a commercial building, this all-in-one controller board and expansion interface kit delivers professional-grade access management with ease.\u003c\/p\u003e\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual-Mode Control:\u003c\/strong\u003e Manages both electric cabinet\/locker systems (up to 20 or 40 doors) AND elevator floor access control from a single TCP\/IP controller.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eScalable Architecture:\u003c\/strong\u003e Start with up to 20 doors using one expansion board; cascade a second board to expand control to 40 doors without additional wiring complexity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFire-Safety Integration:\u003c\/strong\u003e On fire signal detection, the expansion board relays trigger sequentially to automatically open cabinet doors for safe evacuation compliance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTwo Expansion Board Variants:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cstrong\u003eElevator Expansion Board:\u003c\/strong\u003e Each circuit includes dual relays — Normally Open (NO) and Normally Closed (NC) — with NO\/NC\/COM interface ports for full elevator floor button management.\u003c\/li\u003e\n      \u003cli\u003e\n\u003cstrong\u003eCabinet Locker Expansion Board:\u003c\/strong\u003e Each circuit features a single Normally Open (NO) relay plus a door-contact signal feedback port (S), with NO\/GND\/S interfaces for door-status monitoring.\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrivilege-Based Access:\u003c\/strong\u003e Assign single-door, multi-door, or all-door privileges per user card. Administrators and security staff can be granted full-floor or full-cabinet access.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOne Card Reader, Many Doors:\u003c\/strong\u003e Replace the traditional \"one reader per door\" model with a smart \"one controller, many doors\" architecture — ideal for shared locker banks and elevator lobbies.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBiometric Compatible:\u003c\/strong\u003e Supports Wiegand-format readers including fingerprint scanners, face recognition devices, and standard RFID card readers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSoftware Integration:\u003c\/strong\u003e Compatible with Adroitor access control software for centralized PC-based management — open all doors at once for inspections, cleaning, or administrative tasks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSafe Power States:\u003c\/strong\u003e When powered on or off, the expansion board relay NO remains disconnected from the power supply positive pole, preventing unintended door activations.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified:\u003c\/strong\u003e Meets CE safety and electromagnetic compatibility standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eUse Cases\u003c\/h3\u003e\n\u003ch4\u003eElevator \/ Lift Floor Control\u003c\/h4\u003e\n\u003cp\u003eDeploy a single card reader in the elevator cab and let the system handle floor privileges automatically. Users with multi-floor access can select their destination; unauthorized floors remain locked. Security and administrators can access all floors per their privilege settings.\u003c\/p\u003e\n\n\u003ch4\u003eCabinet \u0026amp; Locker Bank Management\u003c\/h4\u003e\n\u003cp\u003eAssign specific lockers to individual users — swiping a card opens only the authorized cabinet. Administrators can open all doors simultaneously for inspections or end-of-day cleaning, all managed from a central PC with Adroitor software.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAsia-Teco\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCW20 \/ CW40\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProtocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTCP\/IP\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDoor Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 20 doors (single board) \/ Up to 40 doors (dual cascaded boards)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Type (Elevator)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNO + NC per circuit (NO\/NC\/COM)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelay Type (Cabinet)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNO + door-contact signal feedback per circuit (NO\/GND\/S)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReader Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWiegand-format (RFID, fingerprint, face recognition)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSoftware\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAdroitor (PC-based management)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHigh-Concern Chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNone\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWiring Notes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eThe door magnet must be connected to the \u003cstrong\u003eS input port\u003c\/strong\u003e of the corresponding cabinet door on the expansion board and to the expansion board's \u003cstrong\u003eGND\u003c\/strong\u003e.\u003c\/li\u003e\n  \u003cli\u003eFor systems managing more than 20 doors, add a second expansion board and cascade it using the provided connection diagram.\u003c\/li\u003e\n  \u003cli\u003eWiring diagrams for sub-20 and over-20 door configurations follow the same connection method.\u003c\/li\u003e\n  \u003cli\u003eFor best results, install additional expansion boards in dedicated controller enclosures to simplify wiring and future maintenance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eLearn More About Access Control Standards\u003c\/h3\u003e\n\u003cp\u003eFor industry best practices on physical access control and building security, refer to the NIST guidelines on physical security and access management and \u003ca href=\"https:\/\/www.osha.gov\/electrical\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eOSHA electrical safety standards\u003c\/a\u003e to ensure compliant installation.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What is the difference between the elevator expansion board and the cabinet locker expansion board?\u003c\/h4\u003e\n\u003cp\u003eA: The elevator expansion board includes two relays per circuit — a Normally Open (NO) and a Normally Closed (NC) — with NO\/NC\/COM interface ports, enabling full elevator floor button control. The cabinet locker expansion board uses a single Normally Open (NO) relay per circuit with a door-contact signal feedback port (S), using NO\/GND\/S interfaces for individual locker door monitoring and control.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many doors can this TCP\/IP access control system manage?\u003c\/h4\u003e\n\u003cp\u003eA: The CW20 model manages up to 20 doors with a single expansion board. By cascading a second expansion board (CW40 configuration), the system scales to manage up to 40 doors from the same TCP\/IP controller.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use a fingerprint reader or face recognition device instead of a card reader?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. The system is compatible with any Wiegand-format input device, including RFID card readers, fingerprint scanners, and facial recognition terminals. This gives you flexibility to choose the authentication method that best suits your environment.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What happens to the cabinet doors during a fire alarm?\u003c\/h4\u003e\n\u003cp\u003eA: When a fire signal is detected, the expansion board relays are triggered in sequence to automatically open all cabinet doors, facilitating safe and rapid access during emergency situations.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Does the system require special software for management?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the system integrates with Adroitor access control software, which allows administrators to manage all doors, assign user privileges, open multiple doors simultaneously for inspections or cleaning, and monitor access logs from a central PC.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What is the difference between the elevator expansion board and the cabinet locker expansion board?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The elevator expansion board includes two relays per circuit — a Normally Open (NO) and a Normally Closed (NC) — with NO\/NC\/COM interface ports, enabling full elevator floor button control. 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