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SFP-10G-LR-S
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SFP-10G-LR-S (Cisco 10GBASE-LR SFP+ Transceiver Module, 1310nm/10km/LC-UPC/SMF/DOM)
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SFP-10G-LR-S Overview
SFP-10G-LR-S uses an SFP+ plug-in optical transceiver form factor for Cisco Ethernet module ports and switch interfaces. The module carries 10 Gbps Ethernet traffic through its specified serial optical interface and host electrical connection. Single-mode fiber forms the optical medium for this LR transceiver across its defined link budget. A dual LC/PC connector provides the optical port interface for patch cords with PC or UPC polish. The optical transmitter and receiver operate across the specified 1260 nm to 1355 nm wavelength range. The specified maximum link distance reaches 10 km across the rated optical cabling plant in supported Cisco installations. Commercial operating temperature class applies to this module under the Cisco SFP+ module rating envelope. Digital Optical Monitoring support exposes real-time operating parameters through management interfaces on compatible host platforms.
With DFB transmitter technology, SFP-10G-LR-S generates stable optical launch characteristics suited to the long-reach Ethernet optical interface. The PIN receiver design converts incoming optical power into the module electrical receive path for host-side processing. TX power range delivers -8.2 dBm minimum to 0.5 dBm maximum optical output across the specified operating window. RX sensitivity reaches -14.4 dBm at the receive input threshold for compliant link operation under normal conditions. RX overload point accepts optical input power up to 0.5 dBm before receiver saturation limits apply. With 64b/66b encoding, the optical lane follows the PCS scheme used by 10GBASE-R serial Ethernet signaling. IEEE 802.3ae, SFF-8431, and SFF-8472 govern Ethernet operation, module electrical interface, diagnostic monitoring, and management telemetry. With 3.3V supply voltage, the transceiver uses the standard SFP+ host power rail for module operation. At 1 W power consumption, the module stays within Cisco's commercial SFP+ power rating for supported platforms.
Compatible platform families span Cisco 250 Series, Nexus 22XX, Nexus 30XX, Nexus 31XX, Nexus 93XX, UCS 62XX, and C4200. Cisco Nexus 3548, Nexus 93180, ONE Nexus 55XX, and UCS C4200 chassis align with SKU-level compatibility. Cisco Catalyst 2360, Blade Switch 31XX, and Switch Module 3110 families support procurement matching for existing Cisco estates. Data center, enterprise wiring closet, and service provider transport environments use this module for Cisco optical Ethernet links. OS2 cable grade matches the G.652 cabling requirement for standardized long-distance building and campus runs. ORM Systems supplies this Cisco module for replacement, expansion, and lifecycle maintenance purchases. Buy SFP-10G-LR-S from ORM Systems; it is available in new and certified refurbished condition. Certified refurbished stock passes optical transmit, receive, and diagnostic validation before ORM Systems sale approval. Check price online for current ORM Systems stock and order the required quantity through your procurement workflow. Request a bulk quotation from ORM Systems for enterprise and volume buyers.
SFP-10G-LR-S price is $120.00, a 95% saving from the Cisco list price of $2,393.33. SFP-10G-LR-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for SFP-10G-LR-S for additional pricing. Browse the full Sfp+ series or explore all Cisco products.
SFP-10G-LR-S Specifications
- Product Type
- Optical Transceiver
- Brand
- Cisco
- Series
- S-Class
- Compatible OEM Part
- N/A
- Use Case
- Data Center / Enterprise Campus / Service Provider
- Form Factor
- SFP+
- Data Rate
- 10 Gbps
- Protocol
- Ethernet
- Fiber Type
- Single-Mode (SMF)
- Connector Type
- LC Duplex
- Wavelength TX
- 1310 nm
- Wavelength RX
- 1310 nm
- Reach
- 10 km (OS2)
- Cable Standard
- OS2
- Transmitter Type
- DFB
- Receiver Type
- PIN
- TX Power Min
- -8.2 dBm
- TX Power Max
- 0.5 dBm
- RX Sensitivity
- -14.4 dBm
- RX Power Max
- 0.5 dBm
- Encoding
- 64b/66b
- Supported Standards
- IEEE 802.3ae / SFF-8431 / SFF-8472
- DDM/DOM Support
- Yes
- Power Consumption
- 1 W
- Supply Voltage
- 3.3V
- Operating Temperature
- Commercial (0°C to 70°C)
- Compatible Platforms
- Cisco 250 Series / Cisco Catalyst 2360 / Cisco Blade Switch 31XX / Cisco Switch Module 3110 / Cisco Nexus 22XX / Cisco Nexus 30XX / Cisco Nexus 31XX / Cisco Nexus 3548 / Cisco Nexus 93180 / Cisco Nexus 93XX / Cisco ONE Nexus 55XX / Cisco UCS 62XX / Cisco UCS C4200
- Certifications
- RoHS
- Height
- 8.5 mm
- Width
- 13.4 mm
- Depth
- 56.5 mm
- Weight
- 0.075 kg
SFP-10G-LR-S Use Case
Access to Distribution Fiber Handoff
The SFP-10G-LR-S operates as the 10 Gigabit Ethernet uplink from an access switch to a distribution switch over standard G.652 single-mode fiber. The SFP+ port terminates a duplex LC path using 10GBASE-LR optics at 1310 nm, with the access switch carrying VLAN trunks or routed access links toward the distribution layer. Network teams deploy paired modules on both ends of the span and monitor optical levels through platform telemetry. This design extends access-layer bandwidth across building or campus fiber runs without changing the switching role at either end.
Distribution to Core Routed Interconnect
SFP-10G-LR-S fits a distribution-to-core link where routing adjacencies traverse single-mode fiber between chassis or fixed switches. Each SFP+ interface presents a 10GBASE-LR connection over a duplex LC pair, and the routed link carries summarised access prefixes, first-hop gateway traffic, or equal-cost uplink paths into the core. The 10 km reach supports physically separated network rooms on standard SMF while staying within the LR optical budget. The topology gains a deterministic 10 Gigabit path between aggregation and core layers, reducing oversubscription at the routed boundary.
Edge Router Backhaul Link
At the network edge, the SFP-10G-LR-S links a router or firewall SFP+ port to an upstream aggregation switch across a dedicated single-mode fiber pair. The 1310 nm 10GBASE-LR interface keeps the backhaul on Ethernet optics instead of copper media converters, and the port configuration carries routed handoff, tagged transit VLANs, or LACP member links as the platform design requires. Operations teams track receive power and link state from the host device during turn-up. The edge path terminates cleanly at 10 Gigabit Ethernet and removes media conversion from the forwarding path.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| SFP-10G-LR-S |  SFP-10G-BXU-I |  DWDM-SFP10G-46.12 |  SFP-10G-BX40D-I | |
|---|---|---|---|---|
| Compatibility | Cisco / Juniper / Huawei / Arista | Cisco / Juniper / Huawei / Arista | Cisco, Juniper, Huawei, Arista | |
| Connector Type | LC Duplex | LC | LC | LC |
| Data Rate | 10 Gbps | 10G | 10G | 10G |
| Depth | 56.5 mm | 0.65 inches | 1.35 inches | N/A |
| Fiber Type | Single-Mode (SMF) | Single-mode | Single-mode | Single-mode |
| Form Factor | SFP+ | SFP | SFP | SFP+ |
| Height | 8.5 mm | 0.55 inches | 0.28 inches | N/A |
| Input Voltage | 3.3V | 3.3V | 3.3V | |
| Max Distance | 10 km | 80 km | 40 km | |
| Network Interface | Ethernet | Ethernet | Fiber | |
| Operating Temperature | Commercial (0°C to 70°C) | 0 to 70°C | 0 to 70°C | 0 to 70°C |
| Power Consumption | 1 W | 2.5W | 2.0W | N/A |
| Product Name | SFP-10G-BXU-I | DWDM-SFP10G-46.12 | SFP-10G-BX40D-I | |
| Product Type | Optical Transceiver | Transceiver | Transceiver | Transceiver |
| Storage Temperature | -40 to 85°C | -40 to 85°C | -40 to 85°C | |
| Supported Protocols | 10G Ethernet | Ethernet | Ethernet | |
| Transmission Distance | Long-Range | Long-Range | Long-Range | |
| Wavelength | 1490/1550 nm | 1550 nm | 1270/1330 nm | |
| Weight | 0.075 kg | 0.1 lbs | 0.1 lbs | N/A |
| Width | 13.4 mm | 0.85 inches | 0.87 inches | N/A |
Reviews & Ratings
U
Umar Lane
5
Durable module with consistent throughput across backbone networks.
V
Vivian Rhodes
5
Minimal errors, high-performance SFP+ for critical applications.
W
Wesley Kane
4
Easy deployment with stable long-distance signal quality.
X
Xander Barrett
4
Maintains network uptime with professional-grade reliability.
Questions & Answers
What wavelength does the SFP-10G-LR-S operate at?
It operates at a standard 1310 nm wavelength optimized for low-loss transmission in single-mode fiber.
What is the Cisco SFP-10G-LR-S?
The Cisco SFP-10G-LR-S is a 10 Gigabit SFP+ optical transceiver module for single-mode fibre connections up to 10 kilometres. It operates at 1310nm, uses an LC-UPC duplex connector, and supports Digital Optical Monitoring. The SFP-10G-LR-S provides 10GBASE-LR connectivity across Cisco switches, routers, and data centre platforms and is one of the most widely deployed 10G optics in enterprise networks.
What does the SFP-10G-LR-S model number mean?
The model number breaks down as follows: SFP+ is the form factor, 10G is the data rate, LR stands for Long Reach, which is the IEEE designation for 10km reach over single-mode fibre, and the S suffix identifies the specific Cisco-approved manufacturing source. Functionally, the SFP-10G-LR-S performs identically to the standard SFP-10G-LR on all supported Cisco platforms.
What standard does the SFP-10G-LR-S conform to?
The SFP-10G-LR-S conforms to the IEEE 802.3ae 10GBASE-LR standard, which defines 10 Gigabit Ethernet transmission over single-mode fibre at 1310nm up to 10 kilometres. It also complies with the SFP+ Multi-Source Agreement (MSA). These standards ensure the module is interoperable with any 10GBASE-LR compliant equipment, not just on the same platform but across compatible links from the same fibre run.
Is the SFP-10G-LR-S a genuine Cisco product?
Yes, the SFP-10G-LR-S is a genuine Cisco-branded transceiver. The S suffix indicates the module was produced by a Cisco-approved manufacturing source, a standard practice in Cisco's supply chain. Being a genuine Cisco module, it carries Cisco firmware encoding and will not trigger unsupported transceiver warnings on Cisco hardware, which is a common issue with third-party compatible modules used in Cisco environments.
What data rate does the SFP-10G-LR-S support?
The SFP-10G-LR-S operates at 10.3125 Gbps line rate, delivering 10 Gigabit Ethernet throughput conforming to the IEEE 802.3ae 10GBASE-LR specification. It operates at a fixed 10G speed and does not auto-negotiate to lower speeds. This makes it suitable for 10GbE uplinks between switches, aggregation to core connections, and server-to-switch links where consistent 10G throughput is required.
What is the maximum reach of the SFP-10G-LR-S?
The SFP-10G-LR-S supports a maximum reach of 10 kilometres over OS2 single-mode fibre at standard transmit power, with no optical amplification required. This makes it suitable for campus-wide links, building-to-building fibre runs, and data centre interconnect scenarios where the 300-metre limit of short-range SFP+ modules is insufficient. The 10km reach covers the vast majority of enterprise campus and metro edge deployments.
What fibre type is required for the SFP-10G-LR-S?
The SFP-10G-LR-S requires OS2 single-mode fibre. It is not compatible with multimode fibre. Connecting a 1310nm single-mode module to multimode cabling causes excessive signal loss due to the difference in fibre core diameter and optical properties, resulting in link failure. If your existing cabling is multimode, the SFP-10G-SR is the correct short-reach module. For long-reach links, single-mode infrastructure is required.
What connector type does the SFP-10G-LR-S use?
The SFP-10G-LR-S uses an LC-UPC duplex connector. LC is the standard small form-factor connector for SFP+ modules in enterprise environments. UPC refers to Ultra Physical Contact polishing, which delivers low insertion loss. Patch cables connecting to the SFP-10G-LR-S must be LC-to-LC with single-mode OS2 construction. LC-APC connectors are not compatible with LC-UPC ports and should not be used without an appropriate adapter.
Does the SFP-10G-LR-S support Digital Optical Monitoring?
Yes, the SFP-10G-LR-S supports DOM, which is indicated in the product name. DOM allows network administrators to read real-time optical diagnostics directly from the Cisco device, including transmit power, receive power, laser bias current, supply voltage, and module temperature. These values are accessible via the "show interfaces transceiver" command and are useful for diagnosing fibre link degradation and monitoring transceiver health without physical access to the module.
What is the SFP-10G-LR-S used for?
The SFP-10G-LR-S is used to create 10 Gigabit Ethernet links over single-mode fibre in campus, enterprise, and data centre environments. Common uses include inter-switch uplinks, distribution-to-core connections, router uplinks, server-to-switch fibre links, and building-to-building runs across a campus. It is the correct choice for any 10G fibre connection where the link distance exceeds 300 metres and single-mode fibre infrastructure is in place.
Is the SFP-10G-LR-S suitable for data centre deployments?
Yes, the SFP-10G-LR-S is widely used in data centres for 10G connectivity between top-of-rack switches, aggregation switches, and core routers. Its 10km reach also supports data centre interconnect links between nearby facilities. Cisco Nexus and Catalyst platforms deployed in data centres are commonly fitted with SFP-10G-LR-S modules for both intra-facility long-run connections and external uplinks requiring single-mode fibre.
Can the SFP-10G-LR-S be used for campus network uplinks?
Yes, the SFP-10G-LR-S is well suited to campus uplink scenarios, particularly for building-to-building connections over existing single-mode fibre infrastructure. Campus runs often span several hundred metres to a few kilometres, which sits within the SFP-10G-LR-S's 10km reach. It is commonly deployed on Cisco Catalyst aggregation and distribution switches handling 10G uplinks across multi-building campus environments.
Is the SFP-10G-LR-S appropriate for metropolitan area connections?
The SFP-10G-LR-S handles distances up to 10km, which covers most intra-city campus and short metro fibre runs without optical amplification. For connections beyond 10km, Cisco offers the SFP-10G-ER at 40km or the SFP-10G-ZR at 80km. For typical enterprise and campus use cases, 10km is sufficient, and the SFP-10G-LR-S is the most cost-effective way to achieve that reach on single-mode fibre.
What Cisco platforms is the SFP-10G-LR-S compatible with?
The SFP-10G-LR-S is compatible with Cisco Catalyst 3750X, 3850, 9200, 9300, 9400, 9500, and 9600 series switches, Nexus 5000, 7000, and 9000 series, ASR 1000 and 9000 series routers, and ISR 4000 series. Compatibility varies by platform model and IOS version. Always verify against Cisco's official compatibility matrix for your specific platform before purchasing, as SFP+ slot support differs across product generations.
Can the SFP-10G-LR-S be used in non-Cisco equipment?
The SFP-10G-LR-S is encoded for Cisco hardware and is not designed for use in third-party switches or routers from Juniper, HPE, Huawei, or other vendors. Those platforms require transceivers programmed with their own vendor codes. Using a Cisco-encoded module in non-Cisco equipment typically results in the port not coming up or an unsupported optic error. Third-party compatible modules are available for non-Cisco platforms.
Does the SFP-10G-LR-S work across Cisco IOS, IOS-XE, and NX-OS?
Yes, the SFP-10G-LR-S is supported across Cisco IOS, IOS-XE, and NX-OS, covering the full range of Cisco Catalyst, ISR, ASR, and Nexus platforms. As a genuine Cisco module, it is detected without error messages or unsupported transceiver warnings on any compatible platform running a supported software version. DOM data is also available on all three operating systems via standard show commands.
Is the SFP-10G-LR-S optically compatible with the SFP-10G-LR on the same link?
Yes, the SFP-10G-LR-S and SFP-10G-LR are fully interoperable on the same fibre link. Both modules operate at 1310nm over OS2 single-mode fibre conforming to the 10GBASE-LR standard. You can install an SFP-10G-LR-S at one end and an SFP-10G-LR at the other with no optical incompatibility, provided both are seated in compatible Cisco platforms.
What is the difference between the SFP-10G-LR-S and the SFP-10G-SR?
The fundamental difference is fibre type and reach. The SFP-10G-LR-S supports 10km over OS2 single-mode fibre at 1310nm. The SFP-10G-SR supports up to 300 metres over OM3 or OM4 multimode fibre at 850nm. For short intra-rack or within-building connections where multimode cabling is already in place, the SFP-10G-SR is more economical. For cross-building or campus links, the SFP-10G-LR-S is the correct module.
What is the difference between the SFP-10G-LR-S and the SFP-10G-LR?
The SFP-10G-LR-S and SFP-10G-LR are functionally identical. Both are genuine Cisco 10GBASE-LR SFP+ modules operating at 1310nm over OS2 single-mode fibre to a maximum of 10km, with DOM support. The S suffix only identifies the manufacturing source approved by Cisco. Either module can be used interchangeably on supported Cisco platforms and they are cross-compatible on the same fibre link.
How does the SFP-10G-LR-S compare to the SFP-10G-ER?
The SFP-10G-ER extends reach to 40 kilometres over single-mode fibre, compared to 10km for the SFP-10G-LR-S. Both modules use LC connectors, single-mode fibre, and support DOM. The SFP-10G-ER is used for longer metro and regional fibre links. For most campus and data centre deployments where distances stay within 10km, the SFP-10G-LR-S is the more practical and cost-effective choice.
Should I use the SFP-10G-LR-S or the SFP-10G-LRM for legacy multimode fibre?
The SFP-10G-LRM is designed specifically for legacy OM1 and OM2 multimode fibre and supports up to 220 metres. If your existing cabling is older multimode and you cannot justify a refibre to single-mode, the SFP-10G-LRM is the correct module. The SFP-10G-LR-S only works on single-mode fibre and should not be used with multimode cabling. If installing new fibre, single-mode with SFP-10G-LR-S is the better long-term choice.
Is the SFP-10G-LR-S available new and refurbished?
Yes, the SFP-10G-LR-S is available in both new and certified refurbished condition from ORM Systems. Refurbished units are tested for optical performance before dispatch, with transmit and receive power verified within Cisco's specification range and DOM functionality confirmed. Refurbished SFP+ modules are a practical option for extending or replacing existing Cisco infrastructure where genuine Cisco hardware is required at a reduced cost.
What is the price of the SFP-10G-LR-S?
Pricing for the SFP-10G-LR-S varies depending on condition and quantity ordered. ORM Systems offers competitive pricing on new and refurbished units, with volume discounts available for bulk purchases. For the latest price, check the SFP-10G-LR-S product page on ormsystems.com or contact the ORM Systems sales team for a formal quote, especially for multi-unit orders tied to a network rollout or campus upgrade.
Is the SFP-10G-LR-S still available or has Cisco discontinued it?
The SFP-10G-LR-S remains actively stocked at ORM Systems. The 10GBASE-LR standard it serves continues to see widespread deployment across enterprise networks, and demand for replacement and new-deployment units remains consistent. Both new and refurbished stock is available, making ORM Systems a reliable source for ongoing maintenance of Cisco infrastructure as well as new 10G single-mode deployments.
Can I order the SFP-10G-LR-S in bulk from ORM Systems?
Yes, ORM Systems handles bulk orders for the SFP-10G-LR-S and offers volume pricing for larger quantities. Enterprise network rollouts, campus upgrades, and data centre builds frequently require identical modules in quantity. Use the bulk quotation form on the product page or contact the ORM Systems sales team with your quantity and delivery requirements to receive a tailored pricing proposal.
What are the shipping lead times for the SFP-10G-LR-S?
Lead times for the SFP-10G-LR-S depend on stock availability and delivery destination. ORM Systems ships from UK, USA, UAE, and Netherlands locations, which supports fast fulfilment across multiple regions. In-stock units are dispatched promptly. For urgent orders or high-volume requirements, confirm availability and lead time with the ORM Systems sales team before placing the order to ensure your project timeline is met.
What warranty does the SFP-10G-LR-S come with from ORM Systems?
New Cisco SFP-10G-LR-S modules carry the standard Cisco hardware warranty. Refurbished units sold by ORM Systems are covered by the ORM Systems warranty, which protects against hardware defects identified after delivery. For specific warranty duration and coverage terms, check the product listing on ormsystems.com or contact ORM Systems directly before purchasing. Warranty terms can vary between new and refurbished stock conditions.
Is a refurbished SFP-10G-LR-S tested before dispatch?
Yes, all refurbished SFP-10G-LR-S units at ORM Systems are tested before dispatch. Testing confirms optical transmit and receive power levels are within Cisco specification, DOM readings are accurate, and the module is physically undamaged. This process ensures the module will operate correctly in a supported Cisco platform without triggering hardware errors, link instability, or unsupported transceiver alerts after installation.
What compliance certifications does the SFP-10G-LR-S carry?
The Cisco SFP-10G-LR-S meets FCC Class A and CE electromagnetic compatibility standards, as well as RoHS compliance. It conforms to IEEE 802.3ae 10GBASE-LR and the SFP+ Multi-Source Agreement. These certifications confirm the module is suitable for deployment in enterprise, public sector, and government environments subject to UK, EU, and US regulatory requirements for electronic equipment.
How do I install the SFP-10G-LR-S in a Cisco switch or router?
Insert the SFP-10G-LR-S into an available SFP+ slot with the label facing up until the module clicks into place. Remove the dust cap and connect an LC-UPC single-mode patch cable. The Cisco device detects the module automatically. Confirm detection with "show interfaces" or "show inventory." The interface will come up once both ends are connected, the far-end device is active, and the fibre path is correctly terminated.
Does the SFP-10G-LR-S require any software configuration after installation?
No special configuration is required beyond standard interface setup. The SFP-10G-LR-S is automatically detected by Cisco IOS, IOS-XE, and NX-OS on insertion. Configure the interface with standard commands such as "no shutdown" and any required IP or VLAN settings. DOM diagnostics are available via "show interfaces transceiver" without any additional configuration on platforms that support it.
Does the SFP-10G-LR-S require a separate licence to operate?
No, the SFP-10G-LR-S does not require a software licence. It is a hardware module that activates automatically when inserted into a compatible Cisco SFP+ port. Licensing on Cisco platforms relates to software feature tiers, routing protocols, and security functions, not to physical transceiver hardware. The SFP-10G-LR-S is operational immediately on any compatible, unlicensed port without any additional activation.
Where can I buy the SFP-10G-LR-S in the UK?
The SFP-10G-LR-S is available from ORM Systems at ormsystems.com. ORM Systems is a UK-based B2B hardware reseller with UK fulfilment, making it a practical source for businesses needing genuine Cisco transceiver modules delivered quickly. Both new and refurbished units are listed with competitive pricing, and bulk order options are available for network teams managing multi-site or large-scale deployments.
Does ORM Systems ship the SFP-10G-LR-S internationally?
Yes, ORM Systems ships the SFP-10G-LR-S internationally from fulfilment locations in the UK, USA, UAE, and Netherlands. This multi-location model allows ORM Systems to serve enterprise customers across Europe, North America, the Middle East, and beyond with shorter lead times than single-location resellers. Contact the ORM Systems sales team for region-specific delivery timelines and any import documentation requirements.