{"id":22913,"date":"2026-04-18T11:06:26","date_gmt":"2026-04-18T11:06:26","guid":{"rendered":"https:\/\/new.starmountstore.co.ke\/?post_type=product&#038;p=22913"},"modified":"2026-04-18T11:06:31","modified_gmt":"2026-04-18T11:06:31","slug":"mikrotik-s-31dlc20d-sfp-1-25g-20km-single-mode","status":"publish","type":"product","link":"https:\/\/new.starmountstore.co.ke\/index.php\/product\/mikrotik-s-31dlc20d-sfp-1-25g-20km-single-mode\/","title":{"rendered":"MikroTik S-31DLC20D SFP 1.25G 20KM Single Mode"},"content":{"rendered":"<p data-start=\"179\" data-end=\"611\">The <strong data-start=\"183\" data-end=\"225\">MikroTik S-31DLC20D SFP (1.25G) module<\/strong> is a reliable and high-performance transceiver designed for <strong data-start=\"286\" data-end=\"333\">long-distance single-mode fiber connections<\/strong>. It features a <strong data-start=\"349\" data-end=\"374\">Dual LC UPC connector<\/strong> and operates at a <strong data-start=\"393\" data-end=\"414\">1310nm wavelength<\/strong>, making it capable of supporting data transmission over distances of up to <strong data-start=\"490\" data-end=\"507\">20 kilometers<\/strong>. With a <strong data-start=\"516\" data-end=\"538\">data rate of 1.25G<\/strong>, this module is well-suited for stable and efficient fiber networking.<\/p>\n<p data-start=\"613\" data-end=\"892\">Moreover, the S-31DLC20D comes with <strong data-start=\"649\" data-end=\"688\">Digital Diagnostic Monitoring (DDM)<\/strong>, which allows users to monitor real-time operating parameters such as temperature, supply voltage, and optical power. As a result, you can enjoy better control and improved reliability in your network.<\/p>\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div 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\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"6951ac9b-8b32-4ffe-b7d0-c0ebdb59c1bc\" data-message-model-slug=\"gpt-5-2\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\">\n<h2 data-start=\"0\" data-end=\"69\">Wide Compatibility &amp; Reliable Performance \u2013 MikroTik S-31DLC20D SFP<\/h2>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p data-start=\"894\" data-end=\"1281\">This SFP module works smoothly with many <a href=\"https:\/\/mikrotik.com\/product\/S-31DLC20D-181\">MikroTik<\/a> devices such as <strong data-start=\"179\" data-end=\"296\">RB260GS, RB2011LS, RB2011LS-IN, RB2011UAS-IN, RB2011UAS-RM, RB2011UAS-2HnD, RB2011UAS-2HnD-IN, and CCR1036-12G-4S<\/strong>. It also, works with most non-<a href=\"https:\/\/starmountstore.co.ke\/product\/mikrotik-s-31dlc20d-sfp\/\">MikroTik SFP devices<\/a>. Thus, giving you more flexibility and makes it easy to add to your existing network.<\/p>\n<div class=\"flex flex-col text-sm pb-25\">\n<article class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" tabindex=\"-1\" data-turn-id=\"request-WEB:079e54ac-b137-4398-a2c3-a70ad774957d-8\" data-testid=\"conversation-turn-18\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\">\n<div 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\" tabindex=\"-1\">\n<div class=\"flex max-w-full flex-col grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+&amp;]:mt-1\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"ebddff87-3771-4a4b-b019-2f1c30435d2f\" data-message-model-slug=\"gpt-5-2\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\">\n<div class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\">\n<p data-start=\"0\" data-end=\"363\" data-is-last-node=\"\" data-is-only-node=\"\">Furthermore, the unit handles extreme temperatures from <strong data-start=\"56\" data-end=\"74\">-40\u00b0C to +70\u00b0C<\/strong>, so it works well both indoors and outdoors. <strong data-start=\"120\" data-end=\"139\">Because of this<\/strong>, it is a great choice for businesses in areas with harsh weather. <strong data-start=\"206\" data-end=\"221\">As a result<\/strong>, you can depend on it for stable performance and long-lasting use, whether it is installed in a server room, data center, or outdoor cabinet.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/article>\n<\/div>\n<h3 data-start=\"1458\" data-end=\"1480\"><strong data-start=\"1462\" data-end=\"1478\">Key Features<\/strong><\/h3>\n<ul data-start=\"1481\" data-end=\"1827\">\n<li data-start=\"1481\" data-end=\"1537\">\n<p data-start=\"1483\" data-end=\"1537\"><strong data-start=\"1483\" data-end=\"1508\">1.25G SFP transceiver<\/strong> with Dual LC UPC connector<\/p>\n<\/li>\n<li data-start=\"1538\" data-end=\"1586\">\n<p data-start=\"1540\" data-end=\"1586\"><strong data-start=\"1540\" data-end=\"1584\">Up to 20KM single-mode fiber connections<\/strong><\/p>\n<\/li>\n<li data-start=\"1587\" data-end=\"1650\">\n<p data-start=\"1589\" data-end=\"1650\"><strong data-start=\"1589\" data-end=\"1622\">Operates at 1310nm wavelength<\/strong> for reliable transmission<\/p>\n<\/li>\n<li data-start=\"1651\" data-end=\"1702\">\n<p data-start=\"1653\" data-end=\"1702\"><strong data-start=\"1653\" data-end=\"1692\">Digital Diagnostic Monitoring (DDM)<\/strong> support<\/p>\n<\/li>\n<li data-start=\"1703\" data-end=\"1768\">\n<p data-start=\"1705\" data-end=\"1768\"><strong data-start=\"1705\" data-end=\"1727\">Wide compatibility<\/strong> with MikroTik and non-MikroTik devices<\/p>\n<\/li>\n<li data-start=\"1769\" data-end=\"1827\">\n<p data-start=\"1771\" data-end=\"1827\"><strong data-start=\"1771\" data-end=\"1788\">Durable build<\/strong> for -40\u00b0C to +70\u00b0C temperature range<\/p>\n<\/li>\n<\/ul>\n<h3>MikroTik S-31DLC20D SFP\u2013 High-Speed Fiber Solutions<\/h3>\n<p data-start=\"521\" data-end=\"721\">For flexible deployment, some models are sold separately, while others are available as a complete kit for 20 km links. Therefore, you have the freedom to easily expand an existing network or quickly build a full setup from scratch.<\/p>\n<ul data-start=\"723\" data-end=\"1318\">\n<li data-start=\"723\" data-end=\"865\">\n<p data-start=\"725\" data-end=\"865\"><strong data-start=\"725\" data-end=\"739\">S-85DLC05D<\/strong> \u2013 1.25G SFP with an <strong data-start=\"760\" data-end=\"787\">850nm Dual LC connector<\/strong>. Supports up to <strong data-start=\"804\" data-end=\"829\">550m Multi-Mode fiber<\/strong> and includes <strong data-start=\"843\" data-end=\"862\">DDMI monitoring<\/strong>.<\/p>\n<\/li>\n<li data-start=\"866\" data-end=\"994\">\n<p data-start=\"868\" data-end=\"994\"><strong data-start=\"868\" data-end=\"882\">S-31DLC20D<\/strong> \u2013 1.25G SFP with a <strong data-start=\"902\" data-end=\"930\">1310nm Dual LC connector<\/strong>. Works with <strong data-start=\"943\" data-end=\"969\">20KM Single-Mode fiber<\/strong> and supports <strong data-start=\"983\" data-end=\"991\">DDMI<\/strong>.<\/p>\n<\/li>\n<li data-start=\"995\" data-end=\"1190\">\n<p data-start=\"997\" data-end=\"1190\"><strong data-start=\"997\" data-end=\"1017\">S-35\/53LC20D Kit<\/strong> \u2013 a pair of 1.25G Single-Mode SFP modules with <strong data-start=\"1065\" data-end=\"1089\">single LC connectors<\/strong>. They support <strong data-start=\"1104\" data-end=\"1118\">20KM links<\/strong> with <strong data-start=\"1124\" data-end=\"1143\">T1310nm\/R1550nm<\/strong> and <strong data-start=\"1148\" data-end=\"1167\">T1550nm\/R1310nm<\/strong>, both with <strong data-start=\"1179\" data-end=\"1187\">DDMI<\/strong>.<\/p>\n<\/li>\n<li data-start=\"1191\" data-end=\"1318\">\n<p data-start=\"1193\" data-end=\"1318\"><strong data-start=\"1193\" data-end=\"1220\">S+85DLC03D &amp; S+31DLC10D<\/strong> \u2013 advanced <strong data-start=\"1232\" data-end=\"1248\">SFP+ modules<\/strong> for 10G networks, delivering <strong data-start=\"1278\" data-end=\"1315\">high speed at an affordable price<\/strong>.<\/p>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li data-start=\"56\" data-end=\"100\">\n<p data-start=\"58\" data-end=\"100\">Supports <strong data-start=\"67\" data-end=\"80\">1.25 Gbps<\/strong> data transmission<\/p>\n<\/li>\n<li data-start=\"101\" data-end=\"136\">\n<p data-start=\"103\" data-end=\"136\"><strong data-start=\"103\" data-end=\"112\">20 km<\/strong> transmission distance<\/p>\n<\/li>\n<li data-start=\"137\" data-end=\"170\">\n<p data-start=\"139\" data-end=\"170\"><strong data-start=\"139\" data-end=\"160\">Single-mode fiber<\/strong> support<\/p>\n<\/li>\n<li data-start=\"171\" data-end=\"197\" data-is-last-node=\"\">\n<p data-start=\"173\" data-end=\"197\" data-is-last-node=\"\"><strong data-start=\"173\" data-end=\"184\">1310 nm<\/strong> wavelength<\/p>\n<\/li>\n<\/ul>\n","protected":false},"featured_media":22942,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[746],"product_cat":[452],"product_tag":[3696,3697],"class_list":{"0":"post-22913","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-mikrotik","7":"product_cat-sfp","8":"product_tag-mikrotik-s-31dlc20d-sfp-1-25g-20km-single-mode-in-kenya","9":"product_tag-mikrotik-s-31dlc20d-sfp-1-25g-20km-single-mode-price-in-kenya","11":"first","12":"instock","13":"sale","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/product\/22913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/comments?post=22913"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/media\/22942"}],"wp:attachment":[{"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/media?parent=22913"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/product_brand?post=22913"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/product_cat?post=22913"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/new.starmountstore.co.ke\/index.php\/wp-json\/wp\/v2\/product_tag?post=22913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}