{"product_id":"alcatel-lucent-3al78821ba-p4s1n-stm1-card-1660sm","title":"Alcatel-Lucent (Nokia) 3AL78821BA P4S1N 4×STM-1 Electrical\/Optical Port Card for 1660SM","description":"\u003cdiv style=\"font-family:Arial,Helvetica,sans-serif;line-height:1.7;color:#222;max-width:980px;margin:0 auto;\"\u003e\n \u003ch2 style=\"color:#0b1220;border-left:6px solid #59AD35;padding-left:14px;margin:10px 0 24px 0;\"\u003eAlcatel-Lucent (Nokia) 3AL78821BA P4S1N 4×STM-1 Electrical\/Optical Port Card for 1660SM\u003c\/h2\u003e\n \u003cp\u003e3AL78821BA (P4S1N) is a 4×STM-1 electrical\/optical port card designed for Alcatel-Lucent 1660SM SDH transmission platform. It supports STM-1 SDH services for metro optical transport networks. This card can fit up to 2 optical or electrical modules on its front panel; the remaining 2 STM-1 interfaces require a matched access card such as A2S1 to complete the full 4-port configuration.\u003c\/p\u003e\n \u003ch3 style=\"margin-top:30px;margin-bottom:12px;\"\u003eProduct Details\u003c\/h3\u003e\n \u003cp\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Nokia \/ Alcatel-Lucent\u003cbr\u003e\n \u003cstrong\u003ePart Number:\u003c\/strong\u003e 3AL78821BA\u003cbr\u003e\n \u003cstrong\u003eCard Model:\u003c\/strong\u003e P4S1N\u003cbr\u003e\n \u003cstrong\u003eProduct Type:\u003c\/strong\u003e 4×STM-1 Electrical\/Optical Port Card\u003cbr\u003e\n \u003cstrong\u003eClient Ports:\u003c\/strong\u003e Supports up to 4 STM-1 interfaces (max 2 optical\/electrical modules on front panel; extra ports require compatible access card like A2S1)\u003cbr\u003e\n \u003cstrong\u003eCompatible Platform:\u003c\/strong\u003e Alcatel-Lucent 1660SM SDH transmission systems\u003cbr\u003e\n \u003cstrong\u003eCondition:\u003c\/strong\u003e Used or refurbished, subject to actual stock availability and inspection.\u003c\/p\u003e\n \u003ch3 style=\"margin-top:30px;margin-bottom:12px;\"\u003eKey Features\u003c\/h3\u003e\n \u003cul style=\"padding-left:20px;margin:0;\"\u003e\n \u003cli\u003eP4S1N 4×STM-1 electrical\/optical port card for Alcatel-Lucent 1660SM SDH platform\u003c\/li\u003e\n \u003cli\u003eSupports STM-1 SDH transmission services for metro optical transport networks\u003c\/li\u003e\n \u003cli\u003eFront panel accepts up to 2 optical or electrical modules; full 4-port deployment needs supporting access card\u003c\/li\u003e\n \u003cli\u003eHot-swappable design, reduces service interruption during maintenance\u003c\/li\u003e\n \u003cli\u003eFor legacy telecom network repair, upgrade and spare part replacement\u003c\/li\u003e\n \u003cli\u003eCarrier-grade, reliable for long-term SDH transmission deployments\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003ch3 style=\"margin-top:30px;margin-bottom:12px;\"\u003eCompatibility Notice\u003c\/h3\u003e\n \u003cp\u003ePlease verify the complete part number, hardware revision, card condition, and system software compatibility before purchase or installation. Confirm the supported configuration against the applicable Alcatel-Lucent 1660SM product documentation.\u003cbr\u003e\n \u003cem\u003eNote: Please verify the full part number against the physical label before ordering.\u003c\/em\u003e\u003c\/p\u003e\n\n \u003cdiv style=\"background:#f6f8f5;border-left:5px solid #59AD35;padding:20px;margin-top:40px;border-radius:4px;\"\u003e\n \u003ch3 style=\"margin-top:0;\"\u003eStock Availability and Quotation\u003c\/h3\u003e\n \u003cp\u003eFor current stock availability and pricing, please contact our sales team with the required part number and quantity. We can assist with product identification and compatibility checks based on the available equipment information.\u003c\/p\u003e\n \u003cdiv style=\"margin-top:16px;display:flex;gap:12px;flex-wrap:wrap;\"\u003e\n \u003ca href=\"mailto:Lucy@skywardtel.com?subject=Inquiry%20for%20Alcatel-Lucent%203AL78821BA%20P4S1N\" style=\"background:#59AD35;color:#fff;padding:10px 18px;border-radius:4px;text-decoration:none;font-weight:bold;\"\u003eEmail Lucy\u003c\/a\u003e\n \u003ca href=\"https:\/\/wa.me\/8615580928694\" target=\"_blank\" rel=\"noopener noreferrer\" style=\"background:#25D366;color:#fff;padding:10px 18px;border-radius:4px;text-decoration:none;font-weight:bold;\"\u003eWhatsApp Chat\u003c\/a\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003cdiv style=\"background:#f4f9f0;border-left:6px solid #59AD35;padding:16px 20px;margin-top:32px;\"\u003e\n\u003cp style=\"margin:0;font-weight:600;color:#0b1220;\"\u003eNeed quotation or technical verification?\u003c\/p\u003e\n\u003cp style=\"margin:6px 0 0 0;\"\u003eSend us your BOM list, we offer fast pricing, part verification and global shipping.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"background:#f4f9f0;border-left:6px solid #59AD35;border-radius:6px;padding:18px 22px;margin:30px 0 28px 0;font-family:Arial,Helvetica,sans-serif;\"\u003e\n\u003cp style=\"margin:0 0 8px 0;font-size:17px;font-weight:700;color:#0b1220;\"\u003eCan't find your Nokia board here? We probably have it in stock.\u003c\/p\u003e\n\u003cp style=\"margin:0 0 14px 0;font-size:15px;line-height:1.7;color:#333;\"\u003eWe supply original and fully tested Nokia \/ Alcatel-Lucent boards across 7750 SR, 7950 XRS, 1830 PSS, AirScale and more. Browse our complete Nokia board inventory to check availability, or send us your BOM for a fast quotation.\u003c\/p\u003e\n\u003ca href=\"https:\/\/skyward-telecom.com\/collections\/nokia-telecom-boards\" target=\"_blank\" style=\"display:inline-block;background:#59AD35;color:#fff;font-weight:700;font-size:15px;padding:12px 26px;border-radius:6px;text-decoration:none;\"\u003eBrowse All Nokia Boards →\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n","brand":"Skyward Telecom","offers":[{"title":"Default Title","offer_id":53527869980970,"sku":null,"price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/4948\/9450\/files\/3AL78821BA_1.webp?v=1794384077","url":"https:\/\/skyward-telecom.com\/pt\/products\/alcatel-lucent-3al78821ba-p4s1n-stm1-card-1660sm","provider":"Skyward Telecom","version":"1.0","type":"link"}