{"product_id":"cisco-10gbase-er-sfp","title":"Cisco 10GBASE-ER SFP+ Fiber Transceiver Module - 40km Single-Mode, 1550nm (Refurbished)","description":"\u003cdiv class=\"serverdukan-product-description\"\u003e\n  \u003cp\u003e\n    The \u003cstrong\u003eCisco 10GBASE-ER SFP+ Module\u003c\/strong\u003e is an enterprise-grade fiber optic transceiver designed for long-distance 10 Gigabit Ethernet connectivity up to 40 kilometers over single-mode fiber. Utilizing 1550nm wavelength laser technology with exceptional signal integrity, this hot-swappable SFP+ module delivers reliable high-speed data transmission for metro area networks, campus backbone connections, data center interconnects, and inter-building links. Each unit is \u003cstrong\u003eCertified Refurbished\u003c\/strong\u003e by ServerDukan, thoroughly tested by our expert fiber optic technicians using specialized optical testing equipment, and backed by our \u003cstrong\u003e1-Month Warranty\u003c\/strong\u003e. Perfect for enterprises requiring extended-reach 10G connectivity between buildings, remote data centers, point-to-point links, and long-distance network aggregation at a fraction of the cost of new modules.\n  \u003c\/p\u003e\n\n  \u003ch3\u003eKey Features\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eExtended 40km Transmission Range:\u003c\/strong\u003e Industry-standard 10GBASE-ER specification supporting up to 40 kilometers (24.8 miles) over OS1\/OS2 single-mode fiber with G.652 compliance for metropolitan area network deployments and inter-campus connectivity\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTrue 10 Gigabit Performance:\u003c\/strong\u003e Full-duplex 10.3125 Gbps data rate with low latency and wire-speed forwarding, ideal for bandwidth-intensive applications including storage replication, video streaming, cloud connectivity, and high-performance computing\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003e1550nm Wavelength Technology:\u003c\/strong\u003e Long-wavelength laser optimized for minimal signal attenuation over extended fiber runs, superior chromatic dispersion characteristics, and excellent performance in demanding environmental conditions\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHot-Swappable Design:\u003c\/strong\u003e Field-replaceable SFP+ form factor with plug-and-play installation allowing module replacement without network downtime or switch reboot, supporting online insertion and removal (OIR)\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDigital Diagnostic Monitoring (DDM):\u003c\/strong\u003e Built-in Digital Optical Monitoring (DOM) providing real-time visibility into optical power levels (Tx\/Rx), temperature, voltage, and laser bias current for proactive maintenance and troubleshooting\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWide Cisco Compatibility:\u003c\/strong\u003e Supports all Cisco switches, routers, and network equipment with SFP+ slots including Catalyst, Nexus, ASR, ISR series providing maximum deployment flexibility across your existing infrastructure\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-ER (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+ (Small Form-Factor Pluggable Plus)\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-ER\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eWavelength\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e1550 nm (long wavelength)\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\u003eSingle-Mode Fiber (SMF) OS1\/OS2\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eMaximum Distance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e40 km (24.8 miles) over SMF\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\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\u003e\n        \u003ctd\u003e\u003cstrong\u003eTransmitter Type\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eEML (Externally Modulated Laser)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eReceiver Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e-15 dBm (typical)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eTransmit Power\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e-1 to +4 dBm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #e8f4f8;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eLink Budget\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e19 dB minimum\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eMaximum Chromatic Dispersion\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e2400 ps\/nm\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 1.5W\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      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eRoHS Compliance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eRoHS 6\/6 compliant\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eWhy Choose ServerDukan Refurbished?\u003c\/h3\u003e\n  \u003cp\u003e\n    Every \u003cstrong\u003eCisco 10GBASE-ER SFP+ module\u003c\/strong\u003e from ServerDukan undergoes comprehensive optical testing and validation. Our certified fiber optic technicians perform detailed analysis including: optical power output verification across full operational range, receiver sensitivity testing to ensure -15 dBm specification compliance, bit error rate testing (BERT) at 10 Gbps for extended periods, wavelength accuracy verification using optical spectrum analyzer, digital diagnostic monitoring (DDM) functionality validation, connector endface inspection using fiber microscope for contamination and damage, and complete interoperability testing with major Cisco switch platforms. We guarantee 100% functionality matching original Cisco specifications with authentic Cisco firmware and coding. Save up to 80% compared to new modules while receiving identical performance and reliability. Backed by our \u003cstrong\u003e1-Month Warranty\u003c\/strong\u003e covering all optical performance parameters and \u003cstrong\u003efast delivery\u003c\/strong\u003e across India with proper anti-static packaging.\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, 9300, 9500 series\u003c\/td\u003e\n        \u003ctd\u003eCampus uplinks, building interconnects\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\u003eData center fabric, spine-leaf topology\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\u003c\/td\u003e\n        \u003ctd\u003eWAN aggregation, metro Ethernet\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+ slots\u003c\/td\u003e\n        \u003ctd\u003eBranch office connectivity, WAN links\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, adapters\u003c\/td\u003e\n        \u003ctd\u003eStorage network, server uplinks\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eMDS Storage\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eMDS 9000 series Fibre Channel\u003c\/td\u003e\n        \u003ctd\u003eSAN extension, disaster recovery\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\u003eMetropolitan Area Networks (MAN):\u003c\/strong\u003e Connect multiple office buildings across a city or metropolitan region with dedicated 10 Gigabit fiber links up to 40km, eliminating expensive carrier circuits and providing full bandwidth control\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCampus Backbone Connectivity:\u003c\/strong\u003e Link distribution and core layer switches across large university campuses, corporate parks, or industrial complexes with high-capacity fiber infrastructure supporting converged data, voice, and video traffic\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eData Center Interconnect (DCI):\u003c\/strong\u003e Establish high-speed connections between geographically separated data centers for storage replication, disaster recovery, workload migration, and multi-site database synchronization with low latency and high throughput\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePoint-to-Point Fiber Links:\u003c\/strong\u003e Deploy dedicated 10G connections for critical applications including financial trading systems, healthcare PACS image transfer, video production facilities, and research networks requiring guaranteed bandwidth\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eStorage Area Network (SAN) Extension:\u003c\/strong\u003e Extend Fibre Channel storage networks over long distances using FCIP or FCoE protocols for remote backup, tape library access, and disaster recovery replication\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eService Provider Infrastructure:\u003c\/strong\u003e Metro Ethernet service delivery, carrier-grade aggregation, mobile backhaul for 4G\/5G base stations, and wholesale bandwidth provisioning to enterprise customers\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eInter-Building Connectivity:\u003c\/strong\u003e Connect separate buildings on corporate campuses, hospital complexes, government facilities, or educational institutions with high-bandwidth fiber backbone eliminating bandwidth bottlenecks\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eCloud Connectivity:\u003c\/strong\u003e Direct connection to cloud service provider points of presence (PoPs), colocation facilities, and internet exchange points (IXPs) with dedicated high-speed access\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eTechnical Advantages \u0026amp; Performance Benefits\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSuperior Distance Performance:\u003c\/strong\u003e 40km reach eliminates need for expensive optical amplifiers, repeaters, or DWDM equipment for most metropolitan deployments reducing total cost of ownership\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSingle-Mode Fiber Investment:\u003c\/strong\u003e Leverages existing single-mode fiber infrastructure installed in buildings and underground conduits maximizing return on previous fiber plant investments\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLow Latency Operation:\u003c\/strong\u003e Sub-microsecond latency ideal for latency-sensitive applications including high-frequency trading, real-time collaboration, live video production, and VoIP\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDeterministic Performance:\u003c\/strong\u003e Dedicated point-to-point links provide consistent bandwidth without congestion or oversubscription ensuring predictable application performance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Security:\u003c\/strong\u003e Physical layer isolation with dedicated fiber provides superior security compared to shared carrier networks, critical for financial, healthcare, and government applications\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFuture-Proof Investment:\u003c\/strong\u003e 10 Gigabit capacity supports current requirements while providing headroom for growth without infrastructure upgrades\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eDigital Diagnostic Monitoring (DDM) Capabilities\u003c\/h3\u003e\n  \u003cp\u003e\n    The integrated DDM functionality provides comprehensive real-time monitoring of critical optical parameters enabling proactive maintenance and rapid troubleshooting:\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 configurable alarm thresholds for link quality assessment\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTemperature Monitoring:\u003c\/strong\u003e Internal module temperature tracking ensuring operation within specified thermal envelope preventing premature failure\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLaser Bias Current:\u003c\/strong\u003e Continuous monitoring of laser diode bias current indicating laser health and aging characteristics for predictive maintenance\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSupply Voltage Tracking:\u003c\/strong\u003e Internal power supply voltage monitoring ensuring stable operation and early detection of power-related issues\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlarm \u0026amp; Warning Thresholds:\u003c\/strong\u003e Configurable high\/low alarm and warning levels with SNMP trap generation for automated network management integration\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eInstallation \u0026amp; Configuration Guidelines\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFiber Type Selection:\u003c\/strong\u003e Use OS1 or OS2 specification single-mode fiber (9\/125μm) for optimal performance. OS2 fiber recommended for longer distances approaching 40km maximum\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eConnector Cleaning:\u003c\/strong\u003e Always clean fiber connector endfaces with lint-free wipes and isopropyl alcohol before insertion. Dirty connectors are primary cause of optical link failures\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePolarity Verification:\u003c\/strong\u003e Connect Tx (transmit) port to Rx (receive) port on opposite end. Use fiber test equipment to verify correct polarity before powering up link\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePower Budget Calculation:\u003c\/strong\u003e Ensure link loss budget (fiber attenuation + connector losses + splice losses) does not exceed 19 dB module specification for reliable operation\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHandling Precautions:\u003c\/strong\u003e Use dust caps when module not installed. Avoid touching optical ports. Store modules in anti-static bags with desiccant packets to prevent moisture damage\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eWhat's Included in Your Purchase\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e1x Cisco 10GBASE-ER SFP+ Module (Certified Refurbished)\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003ePerformance Specifications \u0026amp; Standards Compliance\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\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-ER)\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\u003eFiber Standard\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eITU-T G.652 single-mode fiber\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 (compliant with IEEE 802.3ae)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eJitter Tolerance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e\u0026gt; 0.65 UI (IEEE 802.3ae specification)\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; 8.2 dB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eEye Mask Compliance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eIEEE 802.3ae compliant eye pattern\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 with connector installed)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSafety Certifications\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eUL, CSA, CE Mark, IEC 60825\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eEMI Compliance\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003eFCC Part 15 Class B, EN 55022 Class B\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% relative humidity (non-condensing)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eStorage Humidity\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e5% to 95% relative humidity (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\u003eLink Budget Planning \u0026amp; Fiber Loss Calculations\u003c\/h3\u003e\n  \u003cp\u003e\n    Proper link budget calculation ensures reliable operation over the desired distance:\n  \u003c\/p\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\u003eParameter\u003c\/th\u003e\n        \u003cth\u003eTypical Value\u003c\/th\u003e\n        \u003cth\u003eMaximum Value\u003c\/th\u003e\n      \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eTransmit Power (min)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e+2 dBm\u003c\/td\u003e\n        \u003ctd\u003e-1 dBm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eReceiver Sensitivity\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e-16 dBm\u003c\/td\u003e\n        \u003ctd\u003e-15 dBm\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eAvailable Link Budget\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e18 dB\u003c\/td\u003e\n        \u003ctd\u003e14 dB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eFiber Attenuation (1550nm)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e0.25 dB\/km (OS2)\u003c\/td\u003e\n        \u003ctd\u003e0.4 dB\/km (OS1)\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eConnector Loss (per pair)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e0.3 dB\u003c\/td\u003e\n        \u003ctd\u003e0.75 dB\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003eSplice Loss (if applicable)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e0.1 dB per splice\u003c\/td\u003e\n        \u003ctd\u003e0.3 dB per splice\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003eSystem Margin (recommended)\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e3 dB\u003c\/td\u003e\n        \u003ctd\u003eRequired for aging\/repairs\u003c\/td\u003e\n      \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003ch3\u003eComparison: 10GBASE-ER vs Other 10G SFP+ 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 Type\u003c\/th\u003e\n        \u003cth\u003eMaximum Distance\u003c\/th\u003e\n        \u003cth\u003eBest Use Case\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\u003e850 nm\u003c\/td\u003e\n        \u003ctd\u003eMulti-mode\u003c\/td\u003e\n        \u003ctd\u003e300-400m\u003c\/td\u003e\n        \u003ctd\u003eIn-building, data center racks\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\u003e1310 nm\u003c\/td\u003e\n        \u003ctd\u003eSingle-mode\u003c\/td\u003e\n        \u003ctd\u003e10 km\u003c\/td\u003e\n        \u003ctd\u003eCampus backbone, nearby buildings\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr\u003e\n        \u003ctd\u003e\u003cstrong\u003e10GBASE-ER\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e1550 nm\u003c\/td\u003e\n        \u003ctd\u003eSingle-mode\u003c\/td\u003e\n        \u003ctd\u003e40 km\u003c\/td\u003e\n        \u003ctd\u003eMetropolitan links, DCI, long distance\u003c\/td\u003e\n      \u003c\/tr\u003e\n      \u003ctr style=\"background-color: #f5f5f5;\"\u003e\n        \u003ctd\u003e\u003cstrong\u003e10GBASE-ZR\u003c\/strong\u003e\u003c\/td\u003e\n        \u003ctd\u003e1550 nm\u003c\/td\u003e\n        \u003ctd\u003eSingle-mode\u003c\/td\u003e\n        \u003ctd\u003e80 km\u003c\/td\u003e\n        \u003ctd\u003eExtended metro, regional networks\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🛡️ ServerDukan Optical Quality Guarantee:\u003c\/strong\u003e Every refurbished Cisco 10GBASE-ER SFP+ module undergoes precision optical testing using calibrated equipment. We guarantee authentic Cisco hardware with original firmware, stable optical performance within specification, clean connector endfaces, and full DDM functionality. Our 1-Month Warranty covers all optical parameters including transmit power, receive sensitivity, and digital diagnostics. If your module fails to establish link or exhibits degraded performance, we provide immediate replacement with no questions asked.\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 Across India:\u003c\/strong\u003e We ship to all major cities including Delhi NCR, Mumbai, Bangalore, Pune, Hyderabad, Chennai, Kolkata, and 500+ locations. All modules packaged in anti-static bags with protective foam to prevent damage during transit. Express delivery options available for urgent network deployments.\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"support-info\" style=\"background-color: #e8f5e9; padding: 20px; margin-top: 15px; border-left: 5px solid #4caf50; border-radius: 5px;\"\u003e\n    \u003cstrong\u003e🔧 Technical Support Available:\u003c\/strong\u003e Our fiber optic specialists provide assistance with fiber type selection, link budget calculations, compatibility verification, and troubleshooting. We can help you design optimal long-distance fiber connectivity solutions for your specific requirements.\n  \u003c\/div\u003e\n\u003c\/div\u003e","brand":"ServerDukan","offers":[{"title":"Default Title","offer_id":48554327376096,"sku":null,"price":12000.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0790\/4120\/0352\/files\/cisco-10g-er.webp?v=1768634192","url":"https:\/\/serverdukan.com\/products\/cisco-10gbase-er-sfp","provider":"ServerDukan","version":"1.0","type":"link"}