{"product_id":"400g-qsfp-dd-er8-40km-fiber-optic-transceiver","title":"400GBASE-ER8 QSFP-DD PAM4 1310nm 40km DOM Duplex LC\/UPC SMF Optical Transceiver Module","description":"\u003cp\u003e\u003cstrong\u003eThe 400GBASE-ER8 QSFP-DD optical transceiver is a high-performance module designed for 400GbE long-haul applications up to 40km over single-mode fiber (SMF).\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eIt converts 8×53.125Gb\/s (PAM4) electrical inputs into 8 LWDM optical channels multiplexed within the 1310nm band (1264.5–1337.5nm) for an aggregate data rate of 400Gb\/s.\u003c\/p\u003e\u003cp\u003eOn the receiver side, the module demultiplexes the 8 optical channels and converts them back to 8 PAM4 electrical outputs.\u003c\/p\u003e\u003cp\u003eCompliant with IEEE 802.3cn 400GBASE-ER8, QSFP-DD MSA HW Rev 5.0, and CMIS 4.0, it supports digital diagnostics via the I²C interface and is optimized for carrier-grade and data center backbone networks.\u003c\/p\u003e","brand":"SpeedyFiberTX","offers":[{"title":"Default Title","offer_id":46760625766630,"sku":"QDD-400G-ER8-40KM","price":201572.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/9350\/9350\/files\/QDD-400G-ER8-40KM-01.jpg?v=1760670349","url":"https:\/\/www.speedyfiber.com\/products\/400g-qsfp-dd-er8-40km-fiber-optic-transceiver","provider":"SpeedyFiberTX","version":"1.0","type":"link"}