1 Gbps | Single Mode Fiber | LC | 6 km (37.3 mi) | Lifetime Warranty The SFP-1G-BX-D-6-ST is a Cisco SFP-1G-BX-D-6 compatible downstream fiber SFP+ transceiver which pairs with StarTech.com's SFP-1G-BX-U-6-ST. They are designed, programmed and tested to work with 1GBASE-BX compatible Cisco switches and routers. The SFP+ transceiver module supports a maximum distance of up to 6 km (37.3 mi) and delivers dependable 1 GbE connectivity over fiber cabling. Technical Specifications: • Wavelength: 133nmTx/127nmRx • Maximum Data Transfer Rate: 1Gbps • Type: Single Mode Fiber • Connection Type: LC Connector • Maximum Transfer Distance: 6 km (37.3 mi) • Power Consumption: Low power consumption • DDM: Yes This SFP+ fiber module is hot-swappable, making upgrades and replacements seamless by minimizing network disruptions. StarTech.com SFPs All StarTech.com SFP & SFP+ transceiver modules are backed by a lifetime warranty and free lifetime multilingual technical support. StarTech.com offers a wide variety of SFP modules and direct-attach SFP Cables, providing the convenience and reliability you need to ensure dependable network performance. The StarTech.com Advantage * 1% CISCO SFP-1G-BX-D-6 COMPATIBLE: 1 Gigabit Ethernet BiDi Fiber Single Strand SFP+ works with Cisco switches like ASR9, ASR1, NCS55, C385, NCS54 and others * INCREASE BANDWIDTH ON EXISTING INFRASTRUCTURE: This 1 Gigabit Ethernet bi-directional WDM SFP+ transceiver module sends and receives over a single strand of fiber optic cable instead of two * TECHNICAL SPECS: 1GBASE-BX / 1Gbps / 1G Bi-Directional Downstream / Single Mode (SMF) / LC Connector / 133nmTx/127nmRx / Digital Diagnostic Monitoring (DDM) / Distances up to 6km (37.3mi) * PROGRAMMED & TESTED FOR COMPATIBILITY: Compatible with OEM routers and switches. MSA Compliant with DDM that reports the transceivers status to most SNMP network management tools * THE IT PRO’S CHOICE: Designed and built for IT Professionals, this SFP module is backed for life (lifetime of module, not network switch), including free lifetime 24/5 multi-lingual technical assistance