{"product_id":"fanuc-a20b-2003-0271-one-slot-back-panel","title":"FANUC A20B-2003-0271 0i Mate-B One-Slot Back Panel","description":"\u003cp style=\"margin: 0 0 14px;\"\u003eThe \u003cstrong\u003eFANUC A20B-2003-0271\u003c\/strong\u003e is a \u003cstrong\u003eone-slot control-unit back panel PCB\u003c\/strong\u003e for selected FANUC Series 0i Mate-B CNC systems. Installed at the rear of the control-unit cabinet, it provides the internal backplane connection used by the main CPU assembly and associated control-unit hardware.\u003c\/p\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eFANUC documentation lists A20B-2003-0271 as the one-slot back panel and identifies A02B-0301-B801 as a documented 0i Mate-B one-slot basic unit. This board should not be classified as a standalone power supply or distributed I\/O module.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eA20B-2003-0271 Product Information\u003c\/h4\u003e\n\u003ctable cellpadding=\"10\" style=\"width: 100%; border-collapse: collapse; margin: 0 0 18px;\"\u003e\n\u003ccolgroup\u003e\n\u003ccol style=\"width: 34%;\"\u003e\n\u003ccol\u003e\n\u003c\/colgroup\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eModel \/ MPN\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-2003-0271\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControl-unit back panel \/ backplane PCB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSlot Configuration\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOne slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCNC Series\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSelected FANUC Series 0i Mate-B systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDocumented Basic Unit\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA02B-0301-B801 one-slot 0i Mate-B basic unit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eDocumented Main CPU PCB\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA16B-3200-0495 for 0i Mate-B configurations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eRelated Back Panel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA20B-2003-0490, two-slot version for selected 0i-B units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew, refurbished, or used 90% new; subject to stock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTesting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100% tested before shipping; test video available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eHandling\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNormally 1–2 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eShipping \/ ETA\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDHL, UPS, or FedEx worldwide; typically 3–7 business days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #f7f7f7;\"\u003e\n\u003ctd\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1 year for new\/refurbished; 3 months for used 90% new\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eService \/ Packing\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFree technical support; anti-static reinforced packing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eOne-Slot Backplane Function\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eThe A20B-2003-0271 forms the rear electrical and mechanical interface inside the one-slot CNC control unit. It supports secure board seating and routes the internal bus and supply connections between the installed control hardware. The assembly also includes the connection used by the control-unit fan.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eCompatibility and Replacement Checks\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eConfirm \u003cstrong\u003eA20B-2003-0271\u003c\/strong\u003e on the original PCB together with the complete A02B basic-unit number, cabinet type, slot count, main CPU board and connector arrangement. Do not substitute A20B-2003-0490 solely because both parts are FANUC back panels; the latter is documented as a two-slot configuration.\u003c\/p\u003e\n\u003ch4 style=\"margin: 32px 0 14px;\"\u003eTesting and Installation Notes\u003c\/h4\u003e\n\u003cp style=\"margin: 0 0 14px;\"\u003eREACO CNC checks the label, PCB condition, connector pins, fan connection, board engagement, internal continuity and controller startup under an applicable test setup. Back up parameters, programs and other SRAM data before replacement. Power must be isolated, and the main CPU and installed boards should be removed and reinstalled by qualified personnel using ESD protection.\u003c\/p\u003e\n\u003cp style=\"margin: 0;\"\u003eRelated resources: \u003ca href=\"\/collections\/fanuc-pcbs\"\u003eFANUC PCB boards\u003c\/a\u003e, \u003ca href=\"\/collections\/fanuc-controls\"\u003eFANUC CNC controls\u003c\/a\u003e and \u003ca href=\"\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\"\u003eFANUC CNC repair services\u003c\/a\u003e.\u003c\/p\u003e","brand":"FANUC","offers":[{"title":"Used (90% New)","offer_id":67919282241751,"sku":"A20B-2003-0271-used","price":132.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/fanuc-a20b-2003-0271-back-panel-main.webp?v=1793265689","url":"https:\/\/reacocnc.com\/products\/fanuc-a20b-2003-0271-one-slot-back-panel","provider":"REACO CNC","version":"1.0","type":"link"}