{"product_id":"fanuc-a20b-8102-0420-pcb","title":"FANUC A20B-8102-0420 PCB","description":"\u003ch3\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eFANUC A20B-8102-0420 CNC Ethernet Interface Board\u003cbr\u003e\n\u003c\/h3\u003e\n\u003ctable style=\"width: 101.301%; height: 518.586px;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 25px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 25px; text-align: left;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 25px; text-align: left;\"\u003eFANUC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; text-align: left; height: 19.5938px;\"\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eA20B-8102-0420\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 23px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003eHanding time\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 23px;\"\u003ewithin 1-2 working days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px; text-align: left;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 26.75px;\"\u003e\u003cstrong\u003eShipping Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 26.75px;\"\u003eDHL\/UPS\/FedEx\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 213.562px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 213.562px;\"\u003e\u003cstrong\u003eEstimated Delivery Time (via DHL)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 213.562px;\"\u003e\n\u003cp\u003eAsia: 1-3 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eEurope: 2-4 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eNorth America: 2-4 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eSouth America:  3-6 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eMiddle East \u0026amp; Africa: 3-6 business days\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eOceania: \u003cmeta charset=\"utf-8\"\u003e2-5 business days\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 71.1875px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 71.1875px;\"\u003e\u003cstrong\u003eWarranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 71.1875px;\"\u003eNEW\/Refurbished: 1-Year warranty\u003cbr\u003eUsed(90% New): 3-Month warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 19.5938px;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003ePCBs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 73.555px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 73.555px;\"\u003e\u003cstrong\u003eParameter Description\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 73.555px;\"\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eA20B81020420\u003cbr\u003eETHERNET BOARD\u003cbr\u003eCNC\u003cbr\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 26.75px;\"\u003e\n\u003ctd style=\"width: 41.5225%; height: 26.75px; text-align: left;\"\u003e\u003cstrong\u003eService\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; height: 26.75px; text-align: left;\"\u003eTest video will be sent before delivery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 41.5225%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cstrong\u003ePacking\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003ctd style=\"width: 58.1315%; text-align: left; height: 19.5938px;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003eCartons\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\" data-turn-id-container=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" data-is-intersecting=\"true\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" data-turn-id-container=\"request-695e672e-c9e8-832a-95b3-03e8494aa081-0\" data-testid=\"conversation-turn-742\" data-turn=\"assistant\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-15 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv data-conversation-screenshot-content=\"\" class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"d19e99cc-fbe8-4cb6-a56a-e860dcd9417b\" data-turn-start-message=\"true\" dir=\"auto\" data-message-model-slug=\"gpt-5-6-thinking\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cp data-start=\"727\" data-end=\"886\" class=\"PDq2pG_selectionAnchorContainer\"\u003eThe \u003cstrong data-start=\"731\" data-end=\"755\"\u003eFANUC A20B-8102-0420\u003c\/strong\u003e is a \u003ca href=\"https:\/\/reacocnc.com\/collections\/fanuc-pcbs\" target=\"_blank\" title=\"Buy \u0026amp; Repair Fanuc PCBs for Reliable Industrial Automation\" rel=\"noopener\"\u003e\u003cstrong data-start=\"761\" data-end=\"786\"\u003eFast Ethernet Board B\u003c\/strong\u003e\u003c\/a\u003e used as an optional network communication board in compatible FANUC CNC and motion-control systems.\u003cspan aria-hidden=\"true\" class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"888\" data-end=\"1158\"\u003eFANUC documentation identifies A20B-8102-0420 as the printed-circuit-board drawing number for the \u003cstrong data-start=\"986\" data-end=\"1011\"\u003eFast Ethernet Board B\u003c\/strong\u003e, an option board designed to provide Ethernet communication capabilities within supported CNC configurations.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1160\" data-end=\"1559\"\u003eDepending on the installed CNC software options and parameter configuration, the board can support applicable Ethernet-based functions such as CNC data communication, file transfer, remote diagnostic communication, FOCAS2\/Ethernet, DNS\/DHCP, and selected industrial-network functions. Not every communication function is available in every control configuration.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1561\" data-end=\"1841\"\u003eFANUC lists the board for selected \u003cstrong data-start=\"1596\" data-end=\"1678\"\u003eSeries 30i\/31i\/32i\/35i-B, B Plus, Power Motion i-A, Series 0i-F, and 0i-F Plus\u003c\/strong\u003e systems. Exact compatibility depends on the CNC model, system software version, installed options, and network configuration.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1843\" data-end=\"2115\"\u003eThe A20B-8102-0420 is suitable for replacement when a confirmed Ethernet-board fault causes network initialization failures, lost CNC communication, intermittent data transfer, abnormal Ethernet status indications, or failure to connect with the configured network device.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"2117\" data-end=\"2276\"\u003e\n\u003cstrong data-start=\"2119\" data-end=\"2178\"\u003eEthernet communication functions tested before shipment\u003c\/strong\u003e\u003cbr data-start=\"2178\" data-end=\"2181\"\u003e\u003cstrong data-start=\"2183\" data-end=\"2228\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2117\" data-end=\"2276\"\u003e\n\u003cstrong data-start=\"2183\" data-end=\"2228\"\u003eIn stock and prepared for prompt dispatch\u003c\/strong\u003e\u003cbr data-start=\"2228\" data-end=\"2231\"\u003e\u003cstrong data-start=\"2234\" data-end=\"2276\"\u003e\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2117\" data-end=\"2276\"\u003e\u003cstrong data-start=\"2234\" data-end=\"2276\"\u003eWorldwide DHL, UPS, and FedEx shipping\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2278\" data-end=\"2281\"\u003e\n\u003ch4 data-start=\"2283\" data-end=\"2303\"\u003eProduct Details\u003c\/h4\u003e\n\u003cul data-start=\"2305\" data-end=\"2742\"\u003e\n\u003cli data-section-id=\"1c1nf4m\" data-start=\"2305\" data-end=\"2319\"\u003eBrand: FANUC\u003c\/li\u003e\n\u003cli data-section-id=\"1smr4lm\" data-start=\"2320\" data-end=\"2349\"\u003ePart Number: A20B-8102-0420\u003c\/li\u003e\n\u003cli data-section-id=\"1a2fqeq\" data-start=\"2350\" data-end=\"2384\"\u003eAlternative Format: A20B81020420\u003c\/li\u003e\n\u003cli data-section-id=\"1p89mak\" data-start=\"2385\" data-end=\"2430\"\u003eOfficial Description: Fast Ethernet Board B\u003c\/li\u003e\n\u003cli data-section-id=\"d2177o\" data-start=\"2431\" data-end=\"2491\"\u003eType: Ethernet Interface PCB \/ Network Communication Board\u003c\/li\u003e\n\u003cli data-section-id=\"xvz9c5\" data-start=\"2492\" data-end=\"2519\"\u003eProduct Series: A20B-8102\u003c\/li\u003e\n\u003cli data-section-id=\"w07yzy\" data-start=\"2520\" data-end=\"2569\"\u003eHardware Type: CNC Optional Communication Board\u003c\/li\u003e\n\u003cli data-section-id=\"44w29c\" data-start=\"2570\" data-end=\"2621\"\u003eApplication: FANUC CNC and Motion-Control Systems\u003c\/li\u003e\n\u003cli data-section-id=\"13n72lb\" data-start=\"2622\" data-end=\"2685\"\u003eFunction: Ethernet communication and CNC network connectivity\u003c\/li\u003e\n\u003cli data-section-id=\"l3h8km\" data-start=\"2686\" data-end=\"2742\"\u003eCategory: FANUC Communication PCB \/ CNC Ethernet Board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2744\" data-end=\"2747\"\u003e\n\u003ch4 data-start=\"2749\" data-end=\"2780\"\u003eReferenced Control Systems\u003c\/h4\u003e\n\u003cp data-start=\"2782\" data-end=\"2932\"\u003eFANUC documentation lists the following applicable system families for the A20B-8102-0420 Fast Ethernet Board B:\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"2934\" data-end=\"3104\"\u003e\n\u003cli data-section-id=\"1qphrph\" data-start=\"2934\" data-end=\"2972\"\u003eFANUC Series 30i\/31i\/32i\/35i-Model B\u003c\/li\u003e\n\u003cli data-section-id=\"adyeu7\" data-start=\"2973\" data-end=\"3016\"\u003eFANUC Series 30i\/31i\/32i\/35i-Model B Plus\u003c\/li\u003e\n\u003cli data-section-id=\"3bjgvw\" data-start=\"3017\" data-end=\"3047\"\u003eFANUC Power Motion i-Model A\u003c\/li\u003e\n\u003cli data-section-id=\"1c6qec1\" data-start=\"3048\" data-end=\"3073\"\u003eFANUC Series 0i-Model F\u003c\/li\u003e\n\u003cli data-section-id=\"26x9xn\" data-start=\"3074\" data-end=\"3104\"\u003eFANUC Series 0i-Model F Plus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3106\" data-end=\"3235\"\u003eThese references indicate supported product families, not universal interchangeability across every controller in those families.\u003c\/p\u003e\n\u003chr data-start=\"3237\" data-end=\"3240\"\u003e\n\u003ch4 data-start=\"3242\" data-end=\"3278\"\u003eRelated Ordering Specifications\u003c\/h4\u003e\n\u003cp data-start=\"3280\" data-end=\"3445\"\u003eThe same A20B-8102-0420 PCB is referenced under different FANUC option-ordering specifications according to the control family:\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul data-start=\"3447\" data-end=\"3623\"\u003e\n\u003cli data-section-id=\"177lpfd\" data-start=\"3447\" data-end=\"3510\"\u003eA02B-0323-J167: Series 30i\/31i\/32i\/35i-B and Power Motion i-A\u003c\/li\u003e\n\u003cli data-section-id=\"nc4dmz\" data-start=\"3511\" data-end=\"3558\"\u003eA02B-0353-J167: Series 30i\/31i\/32i\/35i-B Plus\u003c\/li\u003e\n\u003cli data-section-id=\"3mx7qg\" data-start=\"3559\" data-end=\"3588\"\u003eA02B-0338-J167: Series 0i-F\u003c\/li\u003e\n\u003cli data-section-id=\"biz8lx\" data-start=\"3589\" data-end=\"3623\"\u003eA02B-0348-J167: Series 0i-F Plus\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"3625\" data-end=\"3628\"\u003e\n\u003ch4 data-start=\"3630\" data-end=\"3653\"\u003eCompatibility Note\u003c\/h4\u003e\n\u003cp data-start=\"3655\" data-end=\"3705\"\u003eBefore ordering the A20B-8102-0420, please verify:\u003c\/p\u003e\n\u003cul data-start=\"3707\" data-end=\"4010\"\u003e\n\u003cli data-section-id=\"1846fxo\" data-start=\"3707\" data-end=\"3758\"\u003eComplete FANUC CNC model and system specification\u003c\/li\u003e\n\u003cli data-section-id=\"ocand0\" data-start=\"3759\" data-end=\"3797\"\u003eFull PCB number and revision marking\u003c\/li\u003e\n\u003cli data-section-id=\"1r3xcrx\" data-start=\"3798\" data-end=\"3833\"\u003eRequired Ethernet hardware option\u003c\/li\u003e\n\u003cli data-section-id=\"o59igv\" data-start=\"3834\" data-end=\"3877\"\u003eCNC system and Ethernet software versions\u003c\/li\u003e\n\u003cli data-section-id=\"1fi0zjr\" data-start=\"3878\" data-end=\"3920\"\u003eInstalled communication-function options\u003c\/li\u003e\n\u003cli data-section-id=\"hakvgk\" data-start=\"3921\" data-end=\"3969\"\u003eOriginal connector and faceplate configuration\u003c\/li\u003e\n\u003cli data-section-id=\"66krbp\" data-start=\"3970\" data-end=\"4010\"\u003eCNC network parameters and IP settings\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4012\" data-end=\"4278\"\u003eThe Fast Ethernet Board B requires compatible system software and correct option and parameter configuration. A board replacement alone may not activate a communication function that is not installed or enabled in the CNC system.\u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003chr data-start=\"4280\" data-end=\"4283\"\u003e\n\u003ch4 data-start=\"4285\" data-end=\"4306\"\u003eCommon Use Cases\u003c\/h4\u003e\n\u003cul data-start=\"4308\" data-end=\"4679\"\u003e\n\u003cli data-section-id=\"v3vhhc\" data-start=\"4308\" data-end=\"4349\"\u003eFANUC Fast Ethernet Board B replacement\u003c\/li\u003e\n\u003cli data-section-id=\"1gdjvin\" data-start=\"4350\" data-end=\"4394\"\u003eCNC Ethernet communication troubleshooting\u003c\/li\u003e\n\u003cli data-section-id=\"42sfl6\" data-start=\"4395\" data-end=\"4450\"\u003eRepair of unstable or interrupted network connections\u003c\/li\u003e\n\u003cli data-section-id=\"1ucl8ph\" data-start=\"4451\" data-end=\"4503\"\u003eReplacement of a damaged CNC network interface PCB\u003c\/li\u003e\n\u003cli data-section-id=\"168ur05\" data-start=\"4504\" data-end=\"4564\"\u003eDiagnosis of abnormal Ethernet status or error indications\u003c\/li\u003e\n\u003cli data-section-id=\"t48o0j\" data-start=\"4565\" data-end=\"4627\"\u003eRestoration of CNC data-transfer and communication functions\u003c\/li\u003e\n\u003cli data-section-id=\"1jyx6yp\" data-start=\"4628\" data-end=\"4679\"\u003ePreparation of a tested spare communication board\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"4681\" data-end=\"4684\"\u003e\n\u003ch4 data-start=\"4686\" data-end=\"4706\"\u003eSales \u0026amp; Support\u003c\/h4\u003e\n\u003cp data-start=\"4708\" data-end=\"4811\"\u003eEach A20B-8102-0420 Ethernet board is inspected and tested under applicable conditions before delivery.\u003c\/p\u003e\n\u003cp data-start=\"4813\" data-end=\"5063\" data-is-last-node=\"\" data-is-only-node=\"\"\u003eWorldwide shipping is available through DHL, UPS, FedEx, and other express carriers. \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/\" title=\"Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003eREACO CNC\u003c\/a\u003e provides PCB \u003cmeta charset=\"utf-8\"\u003e\u003ca href=\"https:\/\/reacocnc.com\/products\/fanuc-mitsubishi-cnc-robot-parts-repair\" title=\"Reliable Repair for FANUC A20B-8102-0420 PCB - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003erepair service\u003c\/a\u003e, warranty coverage, testing-video support, and \u003cmeta charset=\"utf-8\"\u003e \u003ca href=\"https:\/\/reacocnc.com\/pages\/contact-us\" title=\"Contact Us for Reliable industrial automation solutions - REACO CNC\" rel=\"noopener\" target=\"_blank\"\u003etechnical assistance\u003c\/a\u003e for FANUC CNC Ethernet boards and communication components.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"FANUC","offers":[{"title":"Brand New","offer_id":49436073853143,"sku":"A20B-8102-0420-new","price":992.0,"currency_code":"USD","in_stock":true},{"title":"Used (90% New)","offer_id":49436073885911,"sku":"A20B-8102-0420-used","price":694.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0780\/3784\/4183\/files\/Buy_A20B-8102-0420_Fanuc_Ethernet_board.webp?v=1783936589","url":"https:\/\/reacocnc.com\/es\/products\/fanuc-a20b-8102-0420-pcb","provider":"REACO CNC","version":"1.0","type":"link"}