{"product_id":"tp-link-sm321b-2","title":"TP-Link SM321B-2","description":"\u003cp\u003eTP-Link’s SM321B-2 (TL-SM321B-2) is designed in compliance with the Small Form Pluggable Multi-Source Agreement (SFP-MSA). As a WDM Bi-Directional optical transceiver, it features an integrated LC Bi-Directional optical interface and supports data transmission up to 2 km over 9\/125 μm single-mode fiber (SMF). Additionally, the SM321B-2 includes Digital Diagnostic Monitoring (DDM) in accordance with SFF-8472, enabling real-time monitoring of key parameters such as transmit\/receive optical power, current, and operating temperature. This module is ideal for short- to medium-distance fiber networks, providing fast and stable gigabit connectivity for switches, routers, servers, and other networking equipment.\u003c\/p\u003e\n\u003ch3\u003e\u003cu\u003eCore Features:\u003c\/u\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAdopts the latest standard 1000Base-BX\u003c\/li\u003e\n\u003cli\u003eUp to 2 km transmission distance in 9\/125 μm SMF (Single-Mode Fiber)\u003c\/li\u003e\n\u003cli\u003eCompatible with Small Form Pluggable Multi-Source Agreement (SFP-MSA)\u003c\/li\u003e\n\u003cli\u003eSupports Digital Diagnostic Monitoring (DDM)\u003c\/li\u003e\n\u003cli\u003eSupports Hot Swap\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"TP-Link","offers":[{"title":"Default Title","offer_id":46237885169835,"sku":"TPL-SM321B-2","price":13.55,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0727\/8939\/3579\/files\/SM321B-2.jpg?v=1771969177","url":"https:\/\/primebusinessphone.com\/products\/tp-link-sm321b-2","provider":"PrimeBusiness Phone","version":"1.0","type":"link"}