{"product_id":"gigabit-sfp-module-1000base-zx-lc-1550nm-80km-reliable-long-reach","title":"Gigabit SFP Module 1000Base-ZX LC 1550nm 80km - Reliable Long-Reach","description":"\u003cp\u003eIn this review the Gigabit SFP Module 1000Base-ZX LC is presented as a focused, no-nonsense optical transceiver for network engineers and IT teams that need single-mode long-reach connectivity. The module is 100% compatible with H3C JD063B and many open switches, and the single biggest reason to buy is its consistent 80 km reach at 1550nm while maintaining 1.25 Gbps operation, making it a practical choice for linking distant switches, remote cabinets, or campus buildings without expensive leased lines.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility:\u003c\/strong\u003e Works with H3C JD063B, HPE FlexNetwork and FlexFabric switches and a range of open switch platforms for easy integration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLong reach:\u003c\/strong\u003e Supports distances up to 80 km over single-mode fiber, useful for connecting sites across a campus or between buildings without regeneration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eData rate and connector:\u003c\/strong\u003e Supports up to 1.25 Gbps and uses a duplex LC connector for common fiber patching and compatibility with existing cabling.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMonitoring:\u003c\/strong\u003e Includes DDM\/DOM support so administrators can monitor TX power, RX power and other diagnostics to troubleshoot links.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuality assurance:\u003c\/strong\u003e Each module is individually tested on switches before shipping, reducing the risk of DOA units and simplifying deployment.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupport and warranty:\u003c\/strong\u003e Backed by a 30-day free return policy, a three-year warranty and lifetime technical support for peace of mind after purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWho It's For\u003c\/h2\u003e\u003cp\u003eThe module is best for IT professionals, service providers, and system integrators who need a cost-effective, long-distance SFP solution for single-mode fiber runs up to 80 km. It fits sites using H3C or HPE Flex switches as well as many open switch environments where vendor-compatible transceivers are required.\u003c\/p\u003e\u003cp\u003eIt is less suitable for environments that require multimode fiber, higher-than-gigabit speeds, or extended temperature ranges below 0C; customers needing higher bandwidth or industrial-temperature grades should look at modules specified for those conditions.\u003c\/p\u003e\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGood value for long-reach single-mode links up to 80 km with 1550nm wavelength.\u003c\/li\u003e\n\u003cli\u003ePlug-and-play hot-pluggable design and duplex LC connector make installation straightforward.\u003c\/li\u003e\n\u003cli\u003eDDM support and pre-shipment testing provide useful diagnostics and reliability out of the box.\u003c\/li\u003e\n\u003cli\u003ePositive user feedback on functionality, upload speed and overall quality supports real-world performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLimited to 1.25 Gbps so not intended for 10G or higher uplinks.\u003c\/li\u003e\n\u003cli\u003eCommercial temperature range 0 to 70C may not suit harsh outdoor or industrial enclosures without climate control.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Data Rate\u003c\/td\u003e\n\u003ctd\u003e1000 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWavelength\u003c\/td\u003e\n\u003ctd\u003e1550 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Cable Distance\u003c\/td\u003e\n\u003ctd\u003e80 km\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eLC duplex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOptical Component\u003c\/td\u003e\n\u003ctd\u003eDFB 1550 nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTX Power\u003c\/td\u003e\n\u003ctd\u003e0 to 5 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReceiver Sensitivity\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;-24 dBm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch2\u003eOur Verdict\u003c\/h2\u003e\u003cp\u003eThe Gigabit SFP Module 1000Base-ZX LC is a practical choice for organizations that need reliable long-reach single-mode links without paying for higher-speed optics. Its combination of 80 km reach, DDM monitoring, vendor compatibility and pre-test quality control makes it a strong value for campus links and remote site connections, provided the project requirements are within the 1.25 Gbps and commercial temperature envelope.\u003c\/p\u003e\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWill this work in H3C JD063B switches?\u003c\/strong\u003e\u003cbr\u003eYes, the module is listed as compatible with H3C JD063B and has been tested for compatibility.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCan it reach 80 km reliably?\u003c\/strong\u003e\u003cbr\u003eYes, the transceiver is specified for distances up to 80 km over single-mode fiber when used within the stated TX power and receiver sensitivity ranges.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes it provide monitoring data?\u003c\/strong\u003e\u003cbr\u003eYes, the module supports DDM\/DOM so you can read diagnostics like TX\/RX power and temperature from supported switches.\u003c\/p\u003e","brand":"QSFPTEK","offers":[{"title":"Default Title","offer_id":48237650542811,"sku":"B09Q8GVVWK","price":69.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/61eJe7BdL4L._AC_SL1500.jpg?v=1770750650","url":"https:\/\/gearmusthave.com\/products\/gigabit-sfp-module-1000base-zx-lc-1550nm-80km-reliable-long-reach","provider":"GearMustHave","version":"1.0","type":"link"}