| NO. | Brand | Compatible P/N | Remarks |
| 1 | Cisco | DS-SFP-FC10G-SW | 0 to 70°C (32 to 158°F) |
| 2 | Cisco | SFP-10G-SR | 0 to 70°C (32 to 158°F) |
| 3 | Cisco | SFP-10G-SR-S | 0 to 70°C (32 to 158°F) |
| 4 | Cisco | SFP-10G-SR-X | -5 to 85°C (23 to 185°F) |
| 5 | Cisco | SFP-10G-SR-I | -40 to 85°C (-40 to 185°F) |
Compatibility and Supported Devices
The Cisco SFP-10G-SR-S (S-Class) is a cost-effective 10GBASE-SR solution specifically optimized for enterprise and data center Ethernet applications. HYTOPTODEVICE provides premium compatible SFP+ modules that deliver identical performance for the following devices:
Catalyst Switches: 9200, 9300, 9500, and 3650/3850 Series.
Nexus Switches: 9000, 7000, 3000, and 2000 (Fabric Extenders).
Router Uplinks: ASR 1000 and ISR 4000 series 10G interface modules.
Security Appliances: Firepower and ASA 5500-X Series.
Enterprise Access-to-Aggregation Links: Utilizing enterprise-grade 10GBASE-SR optics to connect floor-level access switches to the building core.
Data Center Leaf-Spine Fabric: Implementing cost-effective Cisco 10G fiber connectivity for top-of-rack (ToR) switch-to-server links.
In-Building High-Speed Uplinks: Connecting server rooms and wiring closets within a 300m-400m radius using OM3/OM4 multi-mode 10G SFP+.
Virtualized Cluster Networking: Providing high-bandwidth 10G pipes for server clusters requiring low-latency short-range fiber.
| Cisco Compatible | SFP-10G-SR-S | Vendor Name | HYTOPTODEVICE |
| Form Factor | SFP+ | Max Data Rate | 10.7Gbps |
| Wavelength | 850nm | Max Distance | 300m on OM3 |
| Connector | Duplex LC | Transmitter Type | VCSEL 850nm |
| Cable Type | MMF | Receiver Type | PIN |
| TX Power | -6.5~-0.5dBm | Receiver Sensitivity | < -10.5dBm |
| Power Consumption | ≤1W | Operation Temperature | 0 to 70°C (32 to 158°F) |
| Feature | SFP-10G-SR | SFP-10G-SR-S | SFP-10G-SR-X |
| Category | Standard / Enterprise | S-Class (Cost-Effective) | Extended Temperature |
| Best For | General Data Centers | Ethernet-only Networks | Industrial & Outdoor |
| Temp Range | 0°C to 70°C (COM) | 0°C to 70°C (COM) | -5°C to 85°C (EXT) |
| Protocols | Ethernet, OTN, FCoE | Ethernet Only | Ethernet, OTN, FCoE |
| Distance (OM4) | 400 Meters | 400 Meters | 400 Meters |
| Top Compatibility | Catalyst 9000, Nexus, ASR | Catalyst 9300, Nexus 9000 | IE-5000, ASR 9000, NCS |




FAQ for Cisco SFP-10G-SR-S Compatible Optical Transceiver Module
Q1:How to install SFP-10G-SR module for 10G Ethernet? A:You can refer to the following steps:Power off the switch;Insert the SR module into the SFP+ slot firmly until it clicks into place;Connect the duplex LC single-mode fiber to the module port;Power on and check the link LED – green means the connection is successful.
Q2:How can I find the SFP-10G-SR with fast shipping available?A:Choose HYTOPTODEVICE – as a core-material self-sufficient factory, we maintain massive stock of SFP-10G-SR transceivers and ship within 24 hours for most orders. Bulk orders ship in 3-5 days. No delays, no backorders.
Q3:Is sfp-10g-sr compatible with 1gb?A:No, the SFP-10G-SR does not support 1Gbps; it is a fixed-rate transceiver designed for 10GBASE-SR Ethernet, and its internal hardware does not support auto-negotiation or downscaling to 1Gbps. While most 10G SFP+ switch ports are backward compatible with 1G SFP modules, the SFP-10G-SR module itself cannot establish a 1Gbps link unless you use the dedicated "dual-rate" (1G/10G) transceiver.
Q4:Is SFP-10G-SR compatible with Cisco/Juniper/Arista?A:Yes, HYTOPTODEVICE SFP-10G-SR optical transceiver modules are 100% compatible with Cisco, HPE,Juniper, Alcatel-Lucent and more – at HYTOPTODEVICE,we own various switches from all major brands and test every transceiver module on real equipment before shipping to guarantee flawless performance.
Q5:Why is my switch not recognizing the Module?A:There are many reasons. One reason is that the optical module transceiver itself is incompatible with the switch. Some brands, such as Cisco,HP,Huawei require that the transceiver's EEPROM contain specific firmware code; Another reason is that the switch port and the module are incompatible. Ensure that your switch port is an SFP+(10G) port. A standard SFP (1G) port cannot run a 10GBase-SR module.
Q6:What is the SFP-10G-SR power consumption and heat dissipation?A:The SFP-10G-SR-I ind optical transceiver module combines a zinc alloy and stainless steel housing for excellent heat dissipation. Internally, thermal adhesives ensure direct heat transfer from the main chip and laser to the housing. This effective thermal management enables the transceiver module to achieve less than 1W power consumption while staying reliably cool.
Q7:The link is "Up" but I have high packet loss. Why? A:There could be many reasons, but these two are typical: 1. Dirty connectors: Even tiny dust can obstruct signal transmit. Please use a one-click fiber cleaner.2. Fiber optic cable bending: Ensure the fiber optic cable bending radius is not too small (avoid severe 90-degree bends).
Q8:what is cisco sfp 10g sr?A:The Cisco SFP-10G-SR is a high-speed multimode optical module with a 10.3125Gbps data rate, 850nm wavelength, and a transmission distance of 300 meters over OM3 MMF. It is widely used in enterprise networking and data centers.
Q9:Do I need an attenuator for short distances (e.g., 50 meters)?A:No. Unlike the ER (40 km) or ZR (80 km) modules, HYTOPTODEVICE 10GBASE-SR transceiver has a wide dynamic range. Its transmit power will not "blind" or damage its own receiver at short distances.
Q10:Is SFP-10G-SR hot-swappable?A:HYTOPTODEVICE fiber optical modules are hot-pluggable, hot Pluggable SFP+MSA Compliant.you can plug or unplug the transceiver module while the switch is powered on without damaging the hardware.
The Difference:SFP-10G-SR vs SFP-10G-SR-S vs SFP-10G-SR-X vs SFP-10G-SR-I
Quality Assurance:Your Trusted Optical Transceiver Source
HYTOPTODEVICE is a vertically integrated manufacturer of high-performance optical transceivers. By controlling core materials at the source, we ensure every SFP module meets the highest standards of reliability and customization.
Vertical Integration: In-house core material production ensures a stable, self-sufficient supply chain for all optical modules.
Total Traceability: End-to-end oversight from raw components to final transceiver assembly guarantees 100% controllability.
Bespoke Solutions: Expert-led R&D provides customized SFP transceiver designs tailored to your specific technical needs.
24-Hour Response: Our technical team guarantees a primary response to any inquiry or quality concern within 24 hours.
Carrier-Grade Quality. Factory-Direct Control. Rapid Response.
Quality Certification & Compliance:
At HYTOPTODEVICE, our quality commitment is backed by industry-standard validations. From fiber optical transceiver manufacturing to final inspection, our processes ensure global compliance and reliability.
We adhere to rigorous standards for our SFP modules and network solutions:
ISO 9001: Certified quality management and production consistency.
CE & FCC: Fully compliant for seamless Global Market Access.
RoHS: Committed to environmental responsibility and hazardous material control.
Proven Reliability: Rigorous testing to reduce compliance risk and ensure safety.
Certified Quality. Global Standards. Guaranteed Performance.







