{"product_id":"arista-qsfp-40g-er4-arista-40gbase-er4-transceiver-40km-single-mode-lc","title":"Arista QSFP-40G-ER4-Arista | 40GBASE-ER4 Transceiver, 40km Single-Mode, LC","description":"The Arista QSFP-40G-ER4 is a 40GBASE-ER4 QSFP+ optical transceiver designed for extended-reach single-mode fibre deployments up to 40km. It uses four CWDM channels at wavelengths 1271, 1291, 1311, and 1331nm multiplexed over duplex LC connectors, ideal for metro area networks and long-haul data centre interconnects. Compliant with IEEE 802.3ba and QSFP+ MSA standards, this hot-swappable module supports Digital Diagnostics Monitoring (DDM) for real-time performance tracking.","brand":"Arista","offers":[{"title":"Default Title","offer_id":48306717753514,"sku":"QSFP-40G-ER4-Arista","price":0.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/9181\/8922\/files\/Transceiver-Placeholder.png?v=1778566781","url":"https:\/\/www.xsnet.com.au\/products\/arista-qsfp-40g-er4-arista-40gbase-er4-transceiver-40km-single-mode-lc","provider":"XS Network Tech","version":"1.0","type":"link"}