{"product_id":"cisco-sfp-10g-sr-10gbase-sr-sfp-fiber-transceiver-300m-multimode-850nm-refurbished","title":"Cisco SFP-10G-SR 10GBASE-SR SFP+ Fiber Transceiver - 300m Multimode, 850nm (Refurbished)","description":"\u003cdiv class=\"serverdukan-product-description\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eCisco SFP-10G-SR SFP+ Module\u003c\/strong\u003e is the industry-standard short-range fiber optic transceiver for 10 Gigabit Ethernet connectivity in data centers and enterprise networks. Operating at 850nm wavelength over multimode fiber, this hot-swappable SFP+ module delivers reliable high-speed data transmission up to 300 meters, making it perfect for rack-to-rack connections, top-of-rack to aggregation layer links, and server uplinks. Each unit is \u003cstrong\u003eCertified Refurbished\u003c\/strong\u003e, thoroughly tested by our expert technicians using professional optical testing equipment, and backed by a \u003cstrong\u003e1-Month Warranty\u003c\/strong\u003e. Ideal for organizations requiring cost-effective 10G connectivity for data centers, server rooms, and high-performance computing environments.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003e300m Multimode Transmission:\u003c\/strong\u003e IEEE 802.3ae 10GBASE-SR specification supporting up to 300 meters over OM3 fiber or 400 meters over OM4 fiber for in-building and data center deployments\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTrue 10 Gigabit Performance:\u003c\/strong\u003e Full-duplex 10.3125 Gbps data rate with wire-speed forwarding and sub-microsecond latency for demanding applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e850nm VCSEL Technology:\u003c\/strong\u003e Vertical-cavity surface-emitting laser optimized for multimode fiber with superior power efficiency and reliability\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHot-Swappable Design:\u003c\/strong\u003e Tool-free installation and removal with online insertion and removal (OIR) support for zero-downtime maintenance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDigital Diagnostic Monitoring:\u003c\/strong\u003e Built-in DDM\/DOM capability providing real-time optical power monitoring, temperature sensing, and link diagnostics\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eUniversal Compatibility:\u003c\/strong\u003e Works with all Cisco switches and routers with SFP+ slots including Catalyst, Nexus, ASR, and ISR series\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; background-color: #f9f9f9;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSFP-10G-SR (Cisco Original)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eCisco Systems\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eModule Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSFP+ (Enhanced Small Form-Factor Pluggable)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eData Rate\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e10 Gbps (10.3125 Gbps line rate)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eIEEE Standard\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eIEEE 802.3ae 10GBASE-SR\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e850 nm (short wavelength VCSEL)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eFiber Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eMultimode Fiber (MMF) OM3\/OM4\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eMaximum Distance (OM3)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e300 meters (984 feet)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eMaximum Distance (OM4)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e400 meters (1,312 feet)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDuplex LC (Lucent Connector)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eTransmitter Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e850nm VCSEL laser array\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eReceiver Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e-11.1 dBm (maximum)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eTransmit Power\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e-7.3 to -1 dBm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eLink Budget\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e7.3 dB minimum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eDigital Diagnostics\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eYes (DDM\/DOM SFF-8472 compliant)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eMaximum 1.0W\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e0°C to 70°C (32°F to 158°F)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e-40°C to 85°C (-40°F to 185°F)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSFP+ MSA compliant\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eWhy Choose Refurbished?\u003c\/h3\u003e\n  \u003cp\u003e\n    Every \u003cstrong\u003eCisco SFP-10G-SR module\u003c\/strong\u003e undergoes comprehensive optical testing and validation. Our certified technicians perform detailed analysis including: optical power output verification across full operational range, receiver sensitivity testing to -11.1 dBm specification compliance, bit error rate testing (BERT) at 10 Gbps for extended periods, wavelength accuracy verification at 850nm, digital diagnostic monitoring functionality validation, connector endface inspection using fiber microscope, and complete interoperability testing with Cisco Catalyst and Nexus switches. We guarantee 100% functionality matching original Cisco specifications with authentic firmware. Save up to 80% compared to new modules while receiving identical performance. Backed by \u003cstrong\u003e1-Month Warranty\u003c\/strong\u003e and \u003cstrong\u003efast delivery\u003c\/strong\u003e across India.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eCompatible Cisco Equipment\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; margin-top: 15px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #0066cc; color: white;\"\u003e\n        \u003cth\u003eProduct Series\u003c\/th\u003e\n        \u003cth\u003eCompatible Models\u003c\/th\u003e\n        \u003cth\u003eTypical Use Case\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eCatalyst Switches\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e3560-X, 3750-X, 3850, 9200, 9300, 9400, 9500\u003c\/td\u003e\n        \u003ctd\u003eAccess\/distribution layer uplinks\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eNexus Data Center\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eNexus 3000, 5000, 7000, 9000 series\u003c\/td\u003e\n        \u003ctd\u003eLeaf-spine fabric, TOR switches\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eASR Routers\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eASR 1000, 9000 series with SFP+ slots\u003c\/td\u003e\n        \u003ctd\u003eWAN aggregation, service provider edge\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eISR Routers\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eISR 4000 series with SFP+ modules\u003c\/td\u003e\n        \u003ctd\u003eBranch office 10G connectivity\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eUCS Servers\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eUCS fabric interconnects, VIC adapters\u003c\/td\u003e\n        \u003ctd\u003eServer uplinks, FCoE connectivity\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eMeraki Switches\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eMS390, MS425 series\u003c\/td\u003e\n        \u003ctd\u003eCloud-managed network uplinks\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eIdeal Use Cases \u0026amp; Deployment Scenarios\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eData Center Top-of-Rack (TOR):\u003c\/strong\u003e Connect servers to TOR switches with high-speed 10G uplinks for virtualization, storage, and compute workloads\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRack-to-Rack Connectivity:\u003c\/strong\u003e Interconnect switches within the same data center or server room up to 300 meters for aggregation layer connections\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eServer Uplinks:\u003c\/strong\u003e Direct-attach server connectivity for VMware ESXi hosts, Hyper-V servers, and storage arrays requiring 10 Gigabit bandwidth\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAccess Layer Aggregation:\u003c\/strong\u003e Uplink connections from access switches to distribution\/core switches in campus and enterprise networks\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStorage Area Networks:\u003c\/strong\u003e Fiber Channel over Ethernet (FCoE) deployments and iSCSI storage network connectivity\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Performance Computing:\u003c\/strong\u003e Cluster interconnect for HPC environments requiring low latency and high throughput\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eIn-Building Backbone:\u003c\/strong\u003e Floor-to-floor connectivity in multi-story buildings using existing OM3\/OM4 multimode fiber infrastructure\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVideo Production:\u003c\/strong\u003e Uncompressed 4K\/8K video transfer, broadcast equipment connectivity, and media asset management systems\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eFiber Type Selection Guide\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; margin-top: 15px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #0066cc; color: white;\"\u003e\n        \u003cth\u003eFiber Type\u003c\/th\u003e\n        \u003cth\u003eCore\/Cladding\u003c\/th\u003e\n        \u003cth\u003eMaximum Distance\u003c\/th\u003e\n        \u003cth\u003eBest Use\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOM1\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e62.5\/125 μm\u003c\/td\u003e\n        \u003ctd\u003e33 meters\u003c\/td\u003e\n        \u003ctd\u003eLegacy installations (not recommended)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eOM2\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e50\/125 μm\u003c\/td\u003e\n        \u003ctd\u003e82 meters\u003c\/td\u003e\n        \u003ctd\u003eOlder campus fiber (limited use)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOM3\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e50\/125 μm\u003c\/td\u003e\n        \u003ctd\u003e300 meters\u003c\/td\u003e\n        \u003ctd\u003eStandard data center fiber (most common)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eOM4\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e50\/125 μm\u003c\/td\u003e\n        \u003ctd\u003e400 meters\u003c\/td\u003e\n        \u003ctd\u003eHigh-performance data center, future-proof\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOM5\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e50\/125 μm\u003c\/td\u003e\n        \u003ctd\u003e400 meters\u003c\/td\u003e\n        \u003ctd\u003eNext-generation SWDM applications\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eWhat's Included\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1x Cisco SFP-10G-SR SFP+ Module (Certified Refurbished)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003ePerformance Specifications\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eMSA Compliance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSFP+ Multi-Source Agreement compliant\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eIEEE Standards\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eIEEE 802.3ae (10GBASE-SR)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSFF Standards\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSFF-8431, SFF-8432, SFF-8472 (DDM)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eBit Error Rate (BER)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eBetter than 10^-12\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eJitter Generation\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u0026lt; 0.1 UI RMS\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eExtinction Ratio\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u0026gt; 3.5 dB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eLaser Safety Class\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eClass 1 laser product (eye-safe)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eOperating Humidity\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e5% to 95% RH non-condensing\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eMTBF Rating\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u0026gt; 1,000,000 hours\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eDigital Diagnostic Monitoring (DDM) Features\u003c\/h3\u003e\n  \u003cp\u003e\n    The integrated DDM functionality provides comprehensive real-time monitoring capabilities:\n  \u003c\/p\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptical Power Monitoring:\u003c\/strong\u003e Real-time transmit (Tx) and receive (Rx) power measurements in dBm with alarm thresholds\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature Monitoring:\u003c\/strong\u003e Internal module temperature tracking for thermal management\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLaser Bias Current:\u003c\/strong\u003e Continuous laser diode bias current monitoring for health assessment\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupply Voltage:\u003c\/strong\u003e Internal voltage monitoring ensuring stable operation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlarm \u0026amp; Warning Flags:\u003c\/strong\u003e Configurable thresholds with SNMP trap generation for network management systems\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation Best Practices\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiber Cleaning:\u003c\/strong\u003e Always clean LC connector endfaces with lint-free wipes and 99% isopropyl alcohol before insertion\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePolarity Check:\u003c\/strong\u003e Connect Tx to Rx on opposite ends - verify correct fiber polarity before powering up\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiber Type Verification:\u003c\/strong\u003e Confirm OM3 or OM4 multimode fiber - single-mode fiber will NOT work with SR modules\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCable Length:\u003c\/strong\u003e Keep within 300m for OM3 or 400m for OM4 specifications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDust Caps:\u003c\/strong\u003e Always use protective dust caps when modules are not installed\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eProper Insertion:\u003c\/strong\u003e Push firmly until module clicks into place with locking mechanism engaged\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eComparison: 10GBASE-SR vs Other 10G Options\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%; margin-top: 15px;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #0066cc; color: white;\"\u003e\n        \u003cth\u003eModule Type\u003c\/th\u003e\n        \u003cth\u003eWavelength\u003c\/th\u003e\n        \u003cth\u003eFiber\u003c\/th\u003e\n        \u003cth\u003eDistance\u003c\/th\u003e\n        \u003cth\u003eBest Use\u003c\/th\u003e\n        \u003cth\u003ePrice Point\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003e10GBASE-SR\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e850nm\u003c\/td\u003e\n        \u003ctd\u003eMM OM3\/OM4\u003c\/td\u003e\n        \u003ctd\u003e300-400m\u003c\/td\u003e\n        \u003ctd\u003eData centers, server rooms\u003c\/td\u003e\n        \u003ctd\u003eLowest\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003e10GBASE-LR\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e1310nm\u003c\/td\u003e\n        \u003ctd\u003eSM OS2\u003c\/td\u003e\n        \u003ctd\u003e10km\u003c\/td\u003e\n        \u003ctd\u003eCampus backbone, buildings\u003c\/td\u003e\n        \u003ctd\u003eMedium\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003e10GBASE-ER\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e1550nm\u003c\/td\u003e\n        \u003ctd\u003eSM OS2\u003c\/td\u003e\n        \u003ctd\u003e40km\u003c\/td\u003e\n        \u003ctd\u003eMetro networks, DCI\u003c\/td\u003e\n        \u003ctd\u003eHigh\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003e10G DAC\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eN\/A (copper)\u003c\/td\u003e\n        \u003ctd\u003eTwinax cable\u003c\/td\u003e\n        \u003ctd\u003e1-7m\u003c\/td\u003e\n        \u003ctd\u003eSame rack, adjacent racks\u003c\/td\u003e\n        \u003ctd\u003eLowest\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003e10G AOC\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e850nm\u003c\/td\u003e\n        \u003ctd\u003eInternal MM\u003c\/td\u003e\n        \u003ctd\u003e1-100m\u003c\/td\u003e\n        \u003ctd\u003eClean cable runs, EMI areas\u003c\/td\u003e\n        \u003ctd\u003eMedium\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eTroubleshooting Common Issues\u003c\/h3\u003e\n  \u003ctable border=\"1\" cellpadding=\"10\" cellspacing=\"0\" style=\"border-collapse: collapse; width: 100%;\"\u003e\n    \u003cthead\u003e\n      \u003ctr style=\"background-color: #ff6b35; color: white;\"\u003e\n        \u003cth\u003eIssue\u003c\/th\u003e\n        \u003cth\u003ePossible Cause\u003c\/th\u003e\n        \u003cth\u003eSolution\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eLink Down\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eDirty connectors\u003c\/td\u003e\n        \u003ctd\u003eClean fiber endfaces with IPA wipes\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eHigh Error Rate\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eLow receive power\u003c\/td\u003e\n        \u003ctd\u003eCheck DDM values, verify fiber loss budget\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eModule Not Detected\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eNot fully inserted\u003c\/td\u003e\n        \u003ctd\u003eRemove and reinsert firmly until click\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eIntermittent Link\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eBad fiber patch cable\u003c\/td\u003e\n        \u003ctd\u003eReplace patch cable, test with known-good\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWrong Fiber Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eSingle-mode used\u003c\/td\u003e\n        \u003ctd\u003eReplace with OM3\/OM4 multimode fiber\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv class=\"warranty-badge\" style=\"background-color: #fff3cd; padding: 20px; margin-top: 25px; border-left: 5px solid #ffc107; border-radius: 5px;\"\u003e\n    \u003cstrong\u003e🛡️ Quality Assurance:\u003c\/strong\u003e Every refurbished Cisco SFP-10G-SR module undergoes precision optical testing using calibrated equipment. We guarantee authentic Cisco hardware with original firmware, stable 850nm optical performance within specification, clean connector endfaces inspected under microscope, and full DDM functionality. 1-Month Warranty covers all optical parameters. If your module fails to establish link or exhibits degraded performance, immediate replacement provided.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"shipping-info\" style=\"background-color: #e3f2fd; padding: 20px; margin-top: 15px; border-left: 5px solid #2196f3; border-radius: 5px;\"\u003e\n    \u003cstrong\u003e🚚 Fast Delivery:\u003c\/strong\u003e Express shipping across India to Delhi NCR, Mumbai, Bangalore, Pune, Hyderabad, Chennai, Kolkata, and 500+ cities. All modules packaged in anti-static bags with protective foam. Same-day dispatch for orders confirmed before 2 PM.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"ServerDukan","offers":[{"title":"Default Title","offer_id":48562276958432,"sku":null,"price":2000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/4120\/0352\/files\/cisco10gsr.jpg?v=1768724309","url":"https:\/\/serverdukan.com\/products\/cisco-sfp-10g-sr-10gbase-sr-sfp-fiber-transceiver-300m-multimode-850nm-refurbished","provider":"ServerDukan","version":"1.0","type":"link"}