{"id":1979,"date":"2026-04-16T14:19:09","date_gmt":"2026-04-16T14:19:09","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-100gbase-lr4-qsfp28-transceiver-for-arista-qsfp-100g-lr4-ar-taa-compliant\/"},"modified":"2026-04-16T14:19:09","modified_gmt":"2026-04-16T14:19:09","slug":"ust-100gbase-lr4-qsfp28-transceiver-for-arista-qsfp-100g-lr4-ar-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-100gbase-lr4-qsfp28-transceiver-for-arista-qsfp-100g-lr4-ar-taa-compliant\/","title":{"rendered":"UST 100GBASE-LR4 QSFP28 Transceiver for Arista &#8211; QSFP-100G-LR4-AR   TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible QSFP-100G-LR4-AR is a high-performance 100GBASE-LR4 QSFP28 transceiver designed as a drop-in replacement for Arista network equipment. Operating in the QSFP28 form factor, this module delivers 100Gbps aggregate data throughput over single-mode fiber using four LAN-WDM wavelengths centered near 1295nm, 1300nm, 1304nm, and 1309nm, supporting link distances of up to 10km.<\/p>\n<p>This module features LC Duplex connectivity and leverages 4x25G LAN-WDM lane technology with an integrated multiplexer and demultiplexer, making it well-suited for long-reach data center and enterprise deployments. Full Digital Diagnostics Monitoring (DDM\/DOM) provides real-time visibility into key operating parameters including temperature, voltage, TX power, and RX power.<\/p>\n<p>The US Transceivers compatible QSFP-100G-LR4-AR is TAA compliant and manufactured to meet IEEE 802.3ba and relevant MSA standards, ensuring seamless interoperability with Arista switches and routers without requiring any special configuration.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible QSFP-100G-LR4-AR is a high-performance 100GBASE-LR4 QSFP28 transceiver designed as a drop-in replacement for Arista network equipment. Operating in the QSFP28 form factor, this module delivers 100Gbps aggregate data throughput over single-mode fiber using four LAN-WDM wavelengths centered near 1295nm, 1300nm, 1304nm, and 1309nm, supporting link distances of up to 10km. This [&hellip;]<\/p>\n","protected":false},"featured_media":638,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[657],"product_cat":[359,581,344],"product_tag":[],"class_list":["post-1979","product","type-product","status-publish","has-post-thumbnail","product_brand-arista","product_cat-100g-qsfp28-transceiver","product_cat-100gb-qsfp28-lr4","product_cat-sfp","pa_data-rate-100gb","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\/1979","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=1979"}],"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=1979"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=1979"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=1979"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=1979"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}