{"id":953,"date":"2026-02-25T22:16:43","date_gmt":"2026-02-25T22:16:43","guid":{"rendered":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-25gbase-bx40-d-sfp-transceiver-for-cisco-sfp-25g-bx40d-i-downstream-taa-compliant\/"},"modified":"2026-02-25T22:16:43","modified_gmt":"2026-02-25T22:16:43","slug":"ust-25gbase-bx40-d-sfp-transceiver-for-cisco-sfp-25g-bx40d-i-downstream-taa-compliant","status":"publish","type":"product","link":"https:\/\/demo.accurays.com\/ustransceivers\/product\/ust-25gbase-bx40-d-sfp-transceiver-for-cisco-sfp-25g-bx40d-i-downstream-taa-compliant\/","title":{"rendered":"UST 25GBASE-BX40-D SFP+ Transceiver for Cisco &#8211; SFP-25G-BX40D-I (Downstream)  TAA Compliant"},"content":{"rendered":"<p>The US Transceivers compatible SFP-25G-BX40D-I is a 25GBASE-BX40-D SFP28 BiDi transceiver designed as a drop-in replacement for Cisco SFP-25G-BX40D-I deployments. Operating in the downstream direction, this module transmits at 1330 nm and receives at 1270 nm over a single strand of OS2 single-mode fiber, supporting link distances of up to 40 km. The LC Duplex connector interface simplifies cabling and reduces fiber plant costs by eliminating the need for fiber pairs.<\/p>\n<p>Engineered to industrial temperature specifications (-40 to 85 deg C), this transceiver is well suited for demanding environments where thermal stability is critical. Digital Diagnostic Monitoring (DDM\/DOM) provides real-time visibility into key parameters including optical power, temperature, voltage, and bias current, enabling proactive network management.<\/p>\n<p>This TAA compliant module meets IEEE 802.3 and SFP28 MSA standards, making it a reliable, cost-effective choice for data center interconnect, enterprise campus aggregation, metropolitan area networking, and service provider edge deployments.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The US Transceivers compatible SFP-25G-BX40D-I is a 25GBASE-BX40-D SFP28 BiDi transceiver designed as a drop-in replacement for Cisco SFP-25G-BX40D-I deployments. Operating in the downstream direction, this module transmits at 1330 nm and receives at 1270 nm over a single strand of OS2 single-mode fiber, supporting link distances of up to 40 km. The LC Duplex [&hellip;]<\/p>\n","protected":false},"featured_media":947,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[18],"product_cat":[517,522,344],"product_tag":[],"class_list":["post-953","product","type-product","status-publish","has-post-thumbnail","product_brand-cisco","product_cat-25g-sfp28-transceiver","product_cat-25gb-sfp28-bidi","product_cat-sfp","pa_data-rate-25gb","pa_distance-40km","pa_product_type-single-mode","pa_wavelength-1330nm-tx-1270nm-rx","first","instock","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product\/953","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=953"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media\/947"}],"wp:attachment":[{"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/media?parent=953"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_brand?post=953"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_cat?post=953"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/demo.accurays.com\/ustransceivers\/wp-json\/wp\/v2\/product_tag?post=953"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}