{"product_id":"alcatel-lucent-3al78831aa-network-module-system","title":"Alcatel-Lucent 3AL78831AA Network Module System","description":"\u003cdiv\u003e\u003cp\u003eThe Alcatel-Lucent 3AL78831AA is a 21×2 Mbit\/s, 75-ohm tributary interface module designed for the Alcatel-Lucent 1660SM and 1650SM-C nodes within the 1600 Series transport family. This plug-in card provides twenty-one 2-Mbit\/s tributaries on a 75-ohm electrical interface, enabling the aggregation of low-rate services into the SDH\/PDH transport path used by Alcatel-Lucent's MSPP platforms. It is intended for use in metro-access networks, serving as the interface point between customer lines and the carrier-grade SDH fabric and allowing provisioning of multiple low-bandwidth channels from a single card. The part number 3AL78831AA uniquely identifies this module within Alcatel-Lucent's 1600-Series portfolio and it fits into compatible 1600-series slots on 1660SM and 1650SM-C installations, supporting maintenance, upgrades, or replacements in existing deployments. This module is part of the broader Alcatel-Lucent 1600 Series ecosystem that spans devices in the 1640\/1650\/1660 family, designed for scalable, multi-service transport in access networks.\u003c\/p\u003e\u003c\/div\u003e","brand":"Alcatel-Lucent","offers":[{"title":"Used Surplus - Excellent Condition","offer_id":51657190080814,"sku":null,"price":218.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/0818\/1038\/files\/Ebay_website_image_6fa0a632-cb57-45c9-933e-40588d0f5bdc.jpg?v=1769466705","url":"https:\/\/plgautomation.com\/products\/alcatel-lucent-3al78831aa-network-module-system","provider":"PLG Automation ","version":"1.0","type":"link"}