{"id":1001,"date":"2026-02-25T22:16:51","date_gmt":"2026-02-25T22:16:51","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-40gbase-lr4-qsfp-transceiver-for-cisco-qsfp-4x10g-lr-s-taa-compliant\/"},"modified":"2026-02-25T22:16:51","modified_gmt":"2026-02-25T22:16:51","slug":"ust-40gbase-lr4-qsfp-transceiver-for-cisco-qsfp-4x10g-lr-s-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-40gbase-lr4-qsfp-transceiver-for-cisco-qsfp-4x10g-lr-s-taa-compliant\/","title":{"rendered":"UST 40GBASE-LR4 QSFP+ Transceiver for Cisco &#8211; QSFP-4X10G-LR-S  TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible QSFP-4X10G-LR-S is a 40GBASE-LR4 QSFP+ transceiver module designed for high-speed optical networking over single-mode fiber. Operating across four wavelength channels in the 1310 nm range using LAN-WDM technology, this module delivers an aggregate data rate of 40 Gbps and supports link distances of up to 10 km, making it well suited for long-reach campus and data center deployments.<\/p>\n<p>Built in the compact QSFP+ form factor, this module uses an LC Duplex connector interface and is fully compliant with 40GBASE-LR4 IEEE and MSA standards. It supports Digital Optical Monitoring (DOM) for real-time diagnostics including temperature, voltage, and optical power levels. This module is also TAA compliant, making it appropriate for US government and public sector procurement.<\/p>\n<p>The US Transceivers compatible QSFP-4X10G-LR-S is a cost-effective, interoperable alternative engineered to perform reliably in enterprise, service provider, and data center network environments.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible QSFP-4X10G-LR-S is a 40GBASE-LR4 QSFP+ transceiver module designed for high-speed optical networking over single-mode fiber. Operating across four wavelength channels in the 1310 nm range using LAN-WDM technology, this module delivers an aggregate data rate of 40 Gbps and supports link distances of up to 10 km, making it well suited [&hellip;]<\/p>\n","protected":false},"featured_media":984,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[18],"product_cat":[553,559,344],"product_tag":[],"class_list":["post-1001","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-40g-qsfp-transceiver","product_cat-40gb-qsfp-lr4","product_cat-sfp","pa_data-rate-40gb","pa_distance-10km","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\/1001","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=1001"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media\/984"}],"wp:attachment":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media?parent=1001"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=1001"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=1001"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=1001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}