{"id":644,"date":"2026-02-25T22:16:02","date_gmt":"2026-02-25T22:16:02","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-100gbase-er4l-qsfp28-transceiver-for-cisco-qsfp-100g-er4l-s-taa-compliant\/"},"modified":"2026-02-25T22:16:02","modified_gmt":"2026-02-25T22:16:02","slug":"ust-100gbase-er4l-qsfp28-transceiver-for-cisco-qsfp-100g-er4l-s-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-100gbase-er4l-qsfp28-transceiver-for-cisco-qsfp-100g-er4l-s-taa-compliant\/","title":{"rendered":"UST 100GBASE-ER4L QSFP28 Transceiver for Cisco &#8211; QSFP-100G-ER4L-S  TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible QSFP-100G-ER4L-S is a 100GBASE-ER4L QSFP28 optical transceiver module designed for high-performance 100 Gigabit Ethernet applications over single-mode fiber. Operating across four LAN WDM wavelengths in the 1295 nm to 1309 nm range, this module supports extended-reach transmission up to 40 km, making it well suited for long-distance data center and metro network deployments.<\/p>\n<p>Built in the compact QSFP28 form factor, the US Transceivers compatible QSFP-100G-ER4L-S delivers reliable 100G connectivity with Digital Optical Monitoring (DOM) support for real-time diagnostics. It is TAA compliant and manufactured to meet key industry standards including IEEE 802.3 and 100GBASE-ER4L MSA specifications, ensuring seamless integration into compatible network infrastructure.<\/p>\n<p>This module is an ideal drop-in alternative for enterprise core networks, service provider edge deployments, data center interconnect links, and metro Ethernet applications where extended reach and high port density are required.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible QSFP-100G-ER4L-S is a 100GBASE-ER4L QSFP28 optical transceiver module designed for high-performance 100 Gigabit Ethernet applications over single-mode fiber. Operating across four LAN WDM wavelengths in the 1295 nm to 1309 nm range, this module supports extended-reach transmission up to 40 km, making it well suited for long-distance data center and metro [&hellip;]<\/p>\n","protected":false},"featured_media":638,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[18],"product_cat":[359,360,344],"product_tag":[],"class_list":["post-644","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-100g-qsfp28-transceiver","product_cat-100gb-qsfp28-er","product_cat-sfp","pa_data-rate-100gb","pa_distance-40km","pa_product_type-single-mode","pa_wavelength-1295-56-1300-05-1304-58-1309-14nm","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product\/644","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/comments?post=644"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media\/638"}],"wp:attachment":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media?parent=644"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=644"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=644"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=644"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}