{"product_id":"geovision-gv-as2120-ip-access-control-panel-poe-support","title":"Geovision GV-AS2120 IP Access Control Panel - PoE+ Support","description":"\u003cp\u003eIn this review of the Geovision GV-AS2120, the bottom line is simple: it is a compact, rack-friendly IP access control panel aimed at small to medium sites that need flexible reader and input\/output options. The reviewer found the GV-AS2120 most compelling for projects that require multiple connection types and built-in I\/O because it supports Wiegand readers, RS-485 GV-Readers and fingerprint devices, and offers eight built-in digital inputs and eight relay outputs. For integrators who want PoE+ convenience or a DC 12V backup, this unit presents a practical, well-specified control point.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-door control:\u003c\/strong\u003e Supports one-way control of four doors and two-way control up to four doors using Wiegand, RS-485 and network for flexible deployment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReader compatibility:\u003c\/strong\u003e Accepts four Wiegand card readers from 26 to 64 bits and up to eight GV-Readers or GV-GF fingerprint readers via RS-485 for diverse credential options.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBuilt-in I\/O:\u003c\/strong\u003e Includes eight digital inputs and eight relay outputs, which lets installers directly monitor door sensors and drive locks, gates or elevator call buttons without extra modules.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower options:\u003c\/strong\u003e Runs on DC 12V, 3A or PoE+ (IEEE 802.3at), allowing network-powered installations or conventional 12V supply for redundancy.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTamper support:\u003c\/strong\u003e Provides support for a tampering alarm, helping maintain physical security of the controller cabinet.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact footprint:\u003c\/strong\u003e At roughly 8.27 in by 8.03 in by 1.83 in the unit fits in shallow enclosures or equipment racks where space is limited.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe GV-AS2120 is best suited for security integrators and IT teams installing access control at small offices, multi-tenant buildings, parking gate entries or elevator control systems where a modest number of doors and multiple credential types are needed. Its support for both PoE+ and DC power makes it convenient for sites that prefer centralized power over network switches or want a simple 12V supply.\u003c\/p\u003e\u003cp\u003eIt is less appropriate for very large enterprise deployments that require dozens of doors per controller or for users who need a wireless-only solution; those installations will want controllers designed for higher channel counts or native wireless lock integrations.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFlexible reader support with Wiegand, RS-485 and network-connected fingerprint devices simplifies integration with existing credentials.\u003c\/li\u003e\n\u003cli\u003eEight built-in inputs and eight relay outputs reduce the need for extra I\/O expansion modules.\u003c\/li\u003e\n\u003cli\u003ePoE+ compatibility enables streamlined installations where powered network switches are preferred.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003ePoE+ power limits practical door support to two doors when relying solely on PoE+ power, which may require separate power in some setups.\u003c\/li\u003e\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGeoVision\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eGV-AS2120\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e8.27 in x 8.03 in x 1.83 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in inputs\u003c\/td\u003e\n\u003ctd\u003e8 digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBuilt-in outputs\u003c\/td\u003e\n\u003ctd\u003e8 relay outputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReader interfaces\u003c\/td\u003e\n\u003ctd\u003e4 Wiegand (26-64 bit), RS-485 for GV-Readers and GV-GF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003eDC 12V, 3A or PoE+ (IEEE 802.3at, up to 25.5 W)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Geovision GV-AS2120 is a sensible, value-oriented IP access control panel for small to medium sites that need mixed reader support and generous on-board I\/O. Installers will appreciate the PoE+ option and RS-485 fingerprint support, while the eight inputs and outputs minimize extra hardware. Choose this unit when physical space is limited and you need a capable controller without enterprise-scale door counts.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eDoes the GV-AS2120 support fingerprint readers?\u003c\/strong\u003e\u003cbr\u003eYes, it supports up to eight GV-Readers and GV-GF fingerprint readers via RS-485 and network connections.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan the unit run on PoE+ alone?\u003c\/strong\u003e\u003cbr\u003eYes, it supports PoE+ (IEEE 802.3at) but PoE+ power limits practical support to two doors when relying solely on PoE.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many Wiegand readers are supported?\u003c\/strong\u003e\u003cbr\u003eThe controller accepts four Wiegand card readers with card formats from 26 to 64 bits.\u003c\/p\u003e","brand":"GeoVision","offers":[{"title":"Default Title","offer_id":48195360915675,"sku":"B01EAXWIQG","price":295.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/815g5vGxzbL._AC_SL1500.jpg?v=1770271396","url":"https:\/\/gearmusthave.com\/products\/geovision-gv-as2120-ip-access-control-panel-poe-support","provider":"GearMustHave","version":"1.0","type":"link"}