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With DFB laser transmitter technology, SFP-10G-LR-X provides the optical transmit engine for long-wavelength 10GBASE-LR/LW signaling inside the module package. A PIN photodiode receiver converts incoming optical signal power into the module receive electrical path during link reception. TX power ranges from -8.2 dBm minimum to 0.5 dBm maximum at the optical output port. RX sensitivity reaches -14.4 dBm minimum receive power for the specified LR optical input path. Receiver overload is 0.5 dBm maximum receive power for the specified optical input path before receiver saturation occurs. With 64b/66b encoding, the 10GBASE-R PCS maps Ethernet data blocks before serial optical transmission on the electrical interface. IEEE 802.3ae, SFF-8431, ITU-T G.709, ITU-T G.975, and ITU-T G.975.1 govern module operation and interoperability. At 3.1 to 3.5 V module supply voltage, the host interface powers the transceiver electrical circuitry during normal operation. With 1 W maximum power consumption, the module stays within the SFP+ optical power envelope during optical link operation.
ORM Systems supplies SFP-10G-LR-X in new and certified refurbished condition for Cisco hardware buyers and network procurement teams. Product compatibility spans Cisco ASR 1000 Series Router, ASR 9000 Series Router, and Catalyst 3850 Series Switches. Cisco Nexus 3000 Series Switches, Nexus 9000 Series Switches, and UCS Switches also support the module. Deployment environments place the module in data center switching rows, enterprise wiring closets, and service provider transport racks. Campus aggregation closets and metro access nodes also align with Cisco platform coverage. OS2 cable grade provides the required cabling specification for the installed optical channel. Certified refurbished stock receives optical diagnostics validation and port-level traffic testing before ORM Systems release. Buy SFP-10G-LR-X online from ORM Systems to secure Cisco OEM modules for approved refresh projects. Order SFP-10G-LR-X through ORM Systems for asset-standardized spares, refresh projects, and maintenance-window replacement stock. Request a bulk quotation from ORM Systems for enterprise and volume buyers.
SFP-10G-LR-X price is $150.60, a 97% saving from the Cisco list price of $5,020.02. SFP-10G-LR-X is in stock and available for next-day dispatch. (terms applied)
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The SFP-10G-LR-X operates as a 10 Gigabit access-to-distribution uplink where the switch location requires extended operating temperature tolerance. The SFP+ interface uses 10GBASE-LR at 1310 nm over standard G.652 single-mode fiber with duplex LC connectors and a 10 km reach profile. Engineers configure the uplink as a routed access link, an L2 trunk, or an LACP member according to the distribution design. The access layer gains a 10 Gigabit fiber path that remains aligned with outdoor cabinet or uncontrolled-room environmental requirements.
SFP-10G-LR-X fits distribution-to-core connections where the host platform uses 10GBASE-LR, 10GBASE-LW, or OTU2/OTU2e framing across the same optical module. The 1310 nm SFP+ optic terminates a duplex LC single-mode pair and carries routed adjacencies, core uplinks, or transport-facing Ethernet handoffs within the 10 km G.652 fiber limit. Network teams pair the optics at both ends and monitor link state and optical levels through the platform. The routed boundary gains a defined 10 Gigabit single-mode path across separated rooms or buildings.
At the network edge, the SFP-10G-LR-X connects a router, firewall, or aggregation switch to a transport-facing Ethernet service over single-mode fiber. The module presents 10GBASE-LR at 1310 nm on a duplex LC interface, while the port configuration carries routed transit, tagged handoff VLANs, or a protected uplink member. Extended temperature operation matches edge cabinets and nonconditioned spaces where standard commercial optics do not fit the environmental plan. The edge link terminates as native 10 Gigabit Ethernet and removes external media conversion from the handoff.
To get the detailed certification, please go to the Compliance Center.
| Product Type | Optical Transceiver | Direct Attach Copper Cable Assembly | Transceiver | Transceiver |
| Form Factor | SFP+ | SFP | SFP+ | SFP+ |
| Data Rate | 10 Gbps | 10G | 10G | 10G |
| Connector Type | LC Duplex | SFP | LC | LC |
| Wavelength | N/A | 1310 nm | 1310 nm | |
| Transmission Distance | Short-Range | Long-Range | Long-Range | |
| Fiber Type | Single-Mode (SMF) | N/A | Single-mode | Single-mode |
| Max Distance | 5 meters | 80 km | 10 km | |
| Supported Protocols | Ethernet | Ethernet | Ethernet, Fibre Channel | |
| Network Interface | Ethernet | Fiber | Fiber | |
| Power Consumption | 1 W | N/A | 2.0 W | 3.5 W |
| Operating Temperature | Extended (-5°C to 85°C) | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | |
| Input Voltage | N/A | 3.3V | 3.3V | |
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | |
| Product Name | SFP-H10GB-CU1-5M | SFP-10G-ZR | X2-10GB-LR | |
| Height | 8.5 mm | N/A | 0.33 inches | 0.81 inches |
| Width | 13.4 mm | N/A | 0.53 inches | 0.55 inches |
| Depth | 56.5 mm | N/A | 2.22 inches | 1.75 inches |
| Weight | 0.075 kg | N/A | 0.037 lbs | 0.07 lbs |
10GBASE-LR module ensures reliable long-distance single-mode fiber connectivity.
Professional-grade performance with minimal errors.
Stable throughput and low-latency for backbone links.
Easy to integrate into enterprise networks.
Durable and dependable for critical fiber connections.
The Cisco SFP-10G-LR-X is a 10 Gigabit SFP+ transceiver module rated for extended industrial temperature operation. It delivers 10GBASE-LR performance at 1310nm over OS2 single-mode fibre up to 10 kilometres, supports Digital Optical Monitoring, and operates reliably across a temperature range of approximately -40 to 85 degrees Celsius. The X suffix designates this extended temperature rating, which distinguishes it from the standard commercial temperature variants of the same 10GBASE-LR specification.
The X suffix indicates Extended Temperature rating. Standard Cisco SFP+ modules are rated for commercial temperature operation, typically 0°C to 70°C. The SFP-10G-LR-X is rated for a significantly wider operating range of approximately -40°C to 85°C, allowing reliable operation in industrial plant environments, outdoor enclosures, transportation infrastructure, and any deployment where ambient temperature cannot be controlled to commercial data centre standards. X is Cisco's consistent designation for extended temperature optical modules across its SFP+ range.
The SFP-10G-LR-X operates from approximately -40°C to 85°C, compared to 0°C to 70°C for standard commercial temperature SFP+ modules. This extended range allows reliable operation in outdoor cabinets, industrial plant environments, transportation hubs, edge computing locations, and any site where seasonal or process-driven temperature variation takes the environment outside the narrow commercial range. The module maintains its 10km optical reach and DOM performance across the full extended temperature envelope.
The SFP-10G-LR-X is Cisco's extended temperature variant of the 10GBASE-LR SFP+ module. Optically it is identical to the SFP-10G-LR-S and SFP-10G-LR: 1310nm, 10km over OS2 single-mode fibre, LC-UPC connector, and DOM support. The only differentiating factor is the temperature rating. For data centre and indoor commercial environments, the SFP-10G-LR-S is the standard choice. For industrial and outdoor deployments, the SFP-10G-LR-X is the correct specification.
The SFP-10G-LR-X operates at 10.3125 Gbps line rate, delivering 10 Gigabit Ethernet throughput conforming to IEEE 802.3ae 10GBASE-LR. It operates at a fixed 10G speed and does not auto-negotiate to lower rates. The extended temperature rating does not affect the data rate; full 10G throughput is maintained across the entire -40°C to 85°C operating range, making it suitable for demanding environments where both speed and thermal resilience are required simultaneously.
The SFP-10G-LR-X supports a maximum reach of 10 kilometres over OS2 single-mode fibre, identical to standard commercial temperature 10GBASE-LR modules. The extended temperature rating does not reduce optical reach. Full 10km performance is maintained across the entire -40°C to 85°C operating envelope, making the SFP-10G-LR-X a direct drop-in replacement for standard modules in environments where the temperature specification upgrade is the sole reason for specifying the X variant.
The SFP-10G-LR-X requires OS2 single-mode fibre, the same as any 10GBASE-LR module. Multimode fibre is not compatible; using multimode cabling with a 1310nm single-mode module causes severe signal degradation and link failure due to the difference in core diameter and optical launch characteristics. In outdoor and industrial deployments, the fibre cable routing and connectors must also be rated for the environmental conditions they pass through, even if the SFP-10G-LR-X itself handles the temperature extremes at the equipment end.
Yes, the SFP-10G-LR-X supports DOM across its full extended temperature range. Real-time diagnostics including transmit power, receive power, laser bias current, supply voltage, and module temperature are accessible via "show interfaces transceiver" on supported Cisco platforms. In extended temperature deployments, the live temperature reading from DOM is particularly valuable for confirming the module is operating within its rated envelope and for detecting thermal issues before they cause a link failure.
The SFP-10G-LR-X transmits and receives at 1310nm. The extended temperature design of the laser source ensures wavelength stability throughout the -40°C to 85°C operating range, maintaining consistent 10km reach even under cold-start conditions or high ambient heat. This wavelength stability is a core engineering requirement of extended temperature modules, as 1310nm laser sources in standard commercial modules are not always stable at temperature extremes outside the 0°C to 70°C window.
The SFP-10G-LR-X is used wherever 10 Gigabit single-mode fibre connectivity is required in environments where temperature cannot be controlled within commercial data centre standards. Common applications include industrial plant networks, outdoor network cabinets, transportation infrastructure, utility and energy networks, military installations, and edge computing sites exposed to cold starts, high ambient heat, or wide temperature cycling that would cause failures in standard commercial SFP+ modules.
Yes, outdoor network cabinets are a primary use case for the SFP-10G-LR-X. Outdoor enclosures can reach temperatures well below zero in winter and exceed 60°C internally in summer sun. A standard commercial SFP+ module rated to 0°C to 70°C risks failure or instability at these extremes. The SFP-10G-LR-X's -40°C to 85°C range provides the thermal headroom needed for reliable year-round outdoor operation without active cooling of the cabinet interior.
Yes, the SFP-10G-LR-X functions correctly in climate-controlled data centres, as the commercial temperature range falls within its extended operating envelope. However, the cost premium for the extended temperature specification is not warranted in a standard temperature-controlled environment. For indoor commercial use, the SFP-10G-LR-S delivers identical optical performance at a lower price. The SFP-10G-LR-X is typically purchased specifically for environments where the extended temperature specification is a genuine requirement.
Yes, industrial environments are a primary target for the SFP-10G-LR-X. Manufacturing plants, oil and gas facilities, utilities infrastructure, and process control environments regularly expose networking equipment to temperature extremes, and standard commercial modules are not rated for these conditions. The SFP-10G-LR-X addresses the thermal component of this challenge. The host Cisco platform should also be rated for the same environmental conditions to ensure full system reliability.
The SFP-10G-LR-X is compatible with Cisco platforms supporting 10G SFP+ slots, including Catalyst 9200, 9300, 9400, 9500, and 9600 series, Nexus 5000, 7000, and 9000 series, and ASR 1000 and 9000 series routers. For industrial deployments, Cisco Catalyst IE series industrial switches are also compatible. Always verify against Cisco's transceiver compatibility matrix for your specific platform and IOS version before purchasing.
Yes, the SFP-10G-LR-X is supported across Cisco IOS-XE and NX-OS. As a genuine Cisco module it is recognised without unsupported transceiver warnings on any compatible platform running a supported firmware version. DOM data including the real-time module temperature reading is accessible on both operating systems via standard show commands, providing live visibility into the module's thermal state in demanding deployment environments.
Yes, the SFP-10G-LR-X is fully interoperable with any 10GBASE-LR compliant module at the far end of a fibre link. Both operate at 1310nm over OS2 single-mode fibre per IEEE 802.3ae. You can use an SFP-10G-LR-X at one end and an SFP-10G-LR-S or SFP-10G-LR at the other end without any optical incompatibility, provided both are in supported Cisco platforms and correctly inserted into OS2 single-mode fibre.
The SFP-10G-LR-X is Cisco-encoded and is not designed for use in non-Cisco switches, routers, or industrial switches from other vendors. Non-Cisco platforms require their own vendor-encoded extended temperature transceivers. Using a Cisco-encoded module in non-Cisco hardware typically results in the module not being recognised or the port not initialising. For multi-vendor industrial environments, third-party compatible extended temperature 10GBASE-LR modules are available for non-Cisco platforms.
Both modules are optically identical: 1310nm, 10GBASE-LR, 10km over OS2 single-mode fibre, LC-UPC connector, and DOM support. The sole difference is temperature rating. The SFP-10G-LR-S is rated for commercial temperatures (0°C to 70°C). The SFP-10G-LR-X is rated for extended industrial temperatures (approximately -40°C to 85°C). For indoor climate-controlled environments, the SFP-10G-LR-S is appropriate. For outdoor or industrial deployments, the SFP-10G-LR-X is the correct specification.
The SFP-10G-LR is the standard commercial temperature variant rated to 0°C to 70°C. The SFP-10G-LR-X is the extended temperature variant rated to approximately -40°C to 85°C. Both deliver identical optical performance at 1310nm over 10km of OS2 single-mode fibre with DOM. The X variant uses a laser source and receiver qualified for a wider thermal range, which adds cost but enables reliable operation in environments where a standard module would be at risk of failure.
The SFP-10G-ER extends reach to 40 kilometres on single-mode fibre but is a standard commercial temperature module. For industrial or outdoor applications where 10km reach is sufficient, the SFP-10G-LR-X is the correct choice because it combines the needed range with the extended temperature rating. If both extended reach beyond 10km and extended temperature operation are required simultaneously, confirm whether Cisco offers an extended temperature ER variant, as the standard SFP-10G-ER alone does not address the thermal requirement.
Yes, extended temperature modules carry a cost premium over commercial temperature counterparts, reflecting tighter component tolerances and the qualification testing required to certify performance across the wider operating range. For indoor deployments where standard temperature modules are reliable, the premium is not commercially justified. For outdoor, industrial, or edge environments where temperature extremes are a genuine operational risk, the SFP-10G-LR-X is the correct specification and the cost difference is a necessary part of ensuring reliable long-term operation.
Yes, the SFP-10G-LR-X is available in both new and certified refurbished condition from ORM Systems. Refurbished units are tested before dispatch, with optical power levels verified within Cisco's specification and DOM functionality confirmed. For extended temperature modules deployed in industrial or outdoor locations, the pre-dispatch optical test provides a useful baseline confirmation before the module is installed in a potentially difficult-to-access deployment point.
The SFP-10G-LR-X carries a higher price than standard commercial temperature 10GBASE-LR modules, reflecting the extended temperature rating. ORM Systems offers competitive pricing on new and refurbished stock with volume discounts available for larger orders. For the current price, visit the SFP-10G-LR-X product page on ormsystems.com or contact the sales team for a quote, particularly for bulk orders tied to an industrial or outdoor network infrastructure project.
Yes, the SFP-10G-LR-X is an actively stocked product at ORM Systems. Extended temperature optical modules remain in consistent demand for industrial, utility, transportation, and outdoor network deployments globally. ORM Systems carries both new and refurbished units to support ongoing deployments and replacement requirements in environments where this specific temperature-rated module is specified by Cisco or the customer's engineering standards.
Yes, ORM Systems accepts bulk orders for the SFP-10G-LR-X and provides volume pricing for larger quantities. Industrial infrastructure builds and outdoor network rollouts often require multiple extended temperature modules across many deployment points. Contact the sales team or use the bulk quotation form on the product page with your required quantity, delivery location, and project timeline for a tailored pricing response.
Lead times depend on stock availability and delivery region. Extended temperature modules may have different availability to standard commercial variants, so confirming stock before placing a project-critical order is advisable. ORM Systems ships from UK, USA, UAE, and Netherlands locations. Contact the sales team to verify current availability and lead time for your required quantity before committing to an installation or project delivery schedule.
New Cisco SFP-10G-LR-X units carry the standard Cisco hardware warranty. Refurbished units sold by ORM Systems are covered by the ORM Systems warranty against hardware defects identified after delivery. For industrial and outdoor deployments where module replacement may be logistically difficult, confirming warranty terms and coverage scope before purchase is recommended. Check the product listing on ormsystems.com or contact ORM Systems for specific terms applicable to your order condition.
Yes, refurbished SFP-10G-LR-X units at ORM Systems are tested before dispatch. Testing confirms optical transmit and receive power are within Cisco's specification, DOM data is accurate and accessible, and the module is physically undamaged. For extended temperature modules destined for industrial or outdoor sites, the pre-dispatch test provides a documented baseline that the module was performing within specification at the time of shipment.
The Cisco SFP-10G-LR-X meets FCC Class A and CE electromagnetic compatibility standards and is RoHS compliant. It conforms to IEEE 802.3ae 10GBASE-LR and the SFP+ Multi-Source Agreement, with the extended temperature specification meeting the thermal requirements for industrial and outdoor networking applications under relevant regulatory frameworks in the UK, EU, and US.
Insert the SFP-10G-LR-X into the SFP+ slot with the label facing up until it clicks into place. Remove the dust cap and connect the OS2 single-mode LC-UPC patch cable. The Cisco device detects the module automatically. Confirm detection with "show interfaces" or "show inventory." In outdoor or industrial enclosures, ensure the fibre cable run, connectors, and any bulkhead adapters are also rated for the environmental conditions of the deployment.
No. The extended temperature rating is a hardware characteristic of the module and requires no software configuration. The Cisco device recognises the SFP-10G-LR-X as a standard 10GBASE-LR module and configures the interface accordingly. The live module temperature is visible via "show interfaces transceiver" on supported platforms without any additional setup, allowing continuous monitoring of thermal conditions in demanding environments from standard IOS commands.
No, the SFP-10G-LR-X does not require a licence. It activates automatically on insertion into a compatible Cisco SFP+ port. Cisco platform licensing applies to software features, not to physical transceiver hardware. The extended temperature rating has no bearing on licensing. The SFP-10G-LR-X is fully operational on any compatible Cisco platform immediately after installation without any licence activation.
The SFP-10G-LR-X is available from ORM Systems at ormsystems.com. ORM Systems is a UK-based B2B hardware reseller with UK fulfilment, providing genuine Cisco extended temperature SFP+ modules for industrial and outdoor deployments. Both new and refurbished units are available with competitive pricing, and the sales team handles bulk procurement for infrastructure projects requiring multiple extended temperature transceivers.
Yes, ORM Systems ships the SFP-10G-LR-X internationally from locations in the UK, USA, UAE, and Netherlands. Extended temperature transceivers are frequently required for international projects in regions with extreme climates, and ORM Systems' multi-location fulfilment model supports faster delivery across multiple regions. Contact the sales team for country-specific lead times and any import documentation requirements before placing an international order.