{"product_id":"schneider-electric-990nad21930-modbus-plus-drop-cable-6m","title":"Schneider Electric 990NAD21930 Modbus Plus Drop Cable 6m","description":"\u003ch2\u003eSchneider Electric 990NAD21930 Modbus Plus Dedicated Drop Cable\u003c\/h2\u003e\n\u003ch3\u003eKey Technical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand and Model\u003c\/strong\u003e: Schneider Electric \u003cstrong\u003e990NAD21930\u003c\/strong\u003e belongs to the Modicon series drop cable family.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e: One SUB-D 9 straight male connector attaches to the communication module; flying leads terminate at the junction box side.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Length\u003c\/strong\u003e: Precise 6 meters (19.7 feet) enables flexible right-side routing inside control panels.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironmental Ratings\u003c\/strong\u003e: Operates reliably from 0 to 40°C and withstands up to 80% relative humidity non-condensing. It functions at altitudes up to 1000 meters without derating.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e: Fully supports Modicon Momentum automation platform, Altivar 71, Altivar 61 drives, and the \u003cstrong\u003e990NAD23000\u003c\/strong\u003e accessory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I use 990NAD21930 with non-Schneider equipment having a SUB-D 9 port?\u003c\/strong\u003e\u003cbr\u003eA: Although we designed this cable for Schneider Modicon series, the SUB-D 9 connector follows standard pinout. When electrical parameters match, it may work with other devices. We recommend using it with Modicon Momentum or Altivar 71\/61 for guaranteed performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What is the wire color code for the flying leads?\u003c\/strong\u003e\u003cbr\u003eA: Please refer to the included instruction sheet or the official \u003cstrong\u003e990NAD21930\u003c\/strong\u003e datasheet. Typically, the leads include Modbus Plus signals like D0, D1, and common reference.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Is this cable suitable for outdoor installation?\u003c\/strong\u003e\u003cbr\u003eA: \u003cstrong\u003e990NAD21930\u003c\/strong\u003e is rated for indoor use only (0 to 40°C). For outdoor applications, place it inside a weatherproof enclosure away from direct sunlight and moisture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Does the package include terminal blocks or connectors for the flying leads?\u003c\/strong\u003e\u003cbr\u003eA: No, the package contains only the cable with tinned bare wire ends. You must connect these wires directly to your junction box terminal strips.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: What about stock status and shipping methods?\u003c\/strong\u003e\u003cbr\u003eA: We keep brand new original \u003cstrong\u003e990NAD21930\u003c\/strong\u003e cables in stock. We ship orders within 5 days via FedEx, UPS, or DHL.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ: Can I return this item?\u003c\/strong\u003e\u003cbr\u003eA: Yes, we accept returns within 30 days. The product must remain unused, in its original packaging, and in re-sellable condition.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e© 2026 NexAuto Technology Limited. All rights reserved.\u003cbr\u003eOriginal Source: \u003ca href=\"https:\/\/www.nex-auto.com\/\"\u003ehttps:\/\/www.nex-auto.com\/\u003c\/a\u003e\u003cbr\u003eContact: \u003ca href=\"mailto:sales@nex-auto.com\"\u003esales@nex-auto.com\u003c\/a\u003e\u003cbr\u003ephone \u003ca rel=\"noopener\" href=\"https:\/\/wa.me\/8615392429628\" target=\"_blank\"\u003e+86 153 9242 9628\u003c\/a\u003e\u003c\/p\u003e","brand":"Schneider","offers":[{"title":"Default Title","offer_id":47415091724546,"sku":"990NAD21930","price":263.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7280\/6146\/files\/990NAD21930-1.jpg?v=1785229584","url":"https:\/\/www.nex-auto.com\/products\/schneider-electric-990nad21930-modbus-plus-drop-cable-6m","provider":"NexAuto Technology Limited","version":"1.0","type":"link"}