{"id":2033,"date":"2026-04-16T14:19:15","date_gmt":"2026-04-16T14:19:15","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-40gbase-lrl4-qsfp-transceiver-for-arista-qsfp-40g-lrl4-taa-compliant\/"},"modified":"2026-04-16T14:19:15","modified_gmt":"2026-04-16T14:19:15","slug":"ust-40gbase-lrl4-qsfp-transceiver-for-arista-qsfp-40g-lrl4-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-40gbase-lrl4-qsfp-transceiver-for-arista-qsfp-40g-lrl4-taa-compliant\/","title":{"rendered":"UST 40GBASE-LRL4 QSFP+ Transceiver for Arista &#8211; QSFP-40G-LRL4   TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible QSFP-40G-LRL4 is a 40GBASE-LRL4 QSFP+ transceiver module designed as a drop-in replacement for Arista network equipment. Operating over single-mode fiber using four parallel lanes at 1310 nm, this module delivers 40 Gbps aggregate throughput and supports link distances up to 1 km, making it well suited for medium-reach data center and enterprise deployments.<\/p>\n<p>Built in the compact QSFP+ form factor, the US Transceivers compatible QSFP-40G-LRL4 uses an MPO\/MTP connector interface to support its parallel lane architecture. It includes Digital Diagnostics Monitoring (DDM\/DOM) for real-time visibility into optical performance parameters such as temperature, voltage, bias current, and optical power levels.<\/p>\n<p>This module is TAA compliant and manufactured to meet IEEE 802.3 and QSFP+ MSA standards, ensuring broad compatibility with Arista switches and routers. It provides a cost-effective, fully tested alternative for 40G infrastructure buildouts requiring reliable single-mode fiber connectivity.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible QSFP-40G-LRL4 is a 40GBASE-LRL4 QSFP+ transceiver module designed as a drop-in replacement for Arista network equipment. Operating over single-mode fiber using four parallel lanes at 1310 nm, this module delivers 40 Gbps aggregate throughput and supports link distances up to 1 km, making it well suited for medium-reach data center and [&hellip;]<\/p>\n","protected":false},"featured_media":984,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[657],"product_cat":[553,690,344],"product_tag":[],"class_list":["post-2033","product","type-product","status-publish","has-post-thumbnail","product_brand-arista","product_cat-40g-qsfp-transceiver","product_cat-40gb-qsfp-lrl4","product_cat-sfp","pa_data-rate-40gb","pa_distance-1km","pa_product_type-single-mode","pa_wavelength-1310nm","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product\/2033","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=2033"}],"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=2033"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=2033"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=2033"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=2033"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}