| Product Type | QSFP |
| Form Factor | Hot-swappable |
| Type | Optical Transceiver Module |
| Weight | 100 g |
| Power Consumption | 4.5 W typical |
| Transceiver Technology | 100GBASE-LR4 |
| Hot Swappable | Yes |
Cisco 100GBASE LR4 QSFP Transceiver, LC, 10km, SMF

Key Benefits
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- Ideal for long-distance 100G Ethernet applications with 10km range over SMF
- Meets RoHS-6 and TAA standards, enabling use in government and international projects
- Hot-swappable QSFP design allows for easy maintenance and upgrade without network downtime
Product Overview
The Cisco 100GBASE LR4 QSFP transceiver (part number QSFP-100G-LR4-S=) offers 100 Gigabit Ethernet over single-mode fiber (SMF) up to 10km, housed in a compact hot-swappable QSFP form factor with LC duplex interface. It meets RoHS-6 and TAA compliance standards, supporting enterprise, data center, and service provider applications. Compact dimensions and energy-efficient design ensure easy integration and sustainable operation.
Specifications
Product Overview
Physical & Environmental
| Height | 0.5 in |
| Width | 0.7 in |
| Depth | 2.85 in (72.4 mm) |
| Operating Temperature Range | 0°C to 70°C (32°F to 158°F) |
| Storage Temperature Range | -40°C to 85°C (-40°F to 185°F) |
| Operating Humidity | 10% to 85% (non-condensing) |
| Storage Humidity | 5% to 95% (non-condensing) |
Cloud Management & Licensing
| Management Interface | Digital Diagnostics Monitoring (DDM/DDMI) |
| Supported Protocols | MDIO/I2C based interface |
Wireless Features
| Wi-Fi Capabilities |
Interfaces
| Interface Type | QSFP28 |
| Connector Type | LC Duplex |
| Port Count | 1 |
| Supported Ethernet Standards | 100 Gigabit Ethernet |
| Interface Details | 1 x LC Duplex 100GBase-LR4 Network |
| Data Transfer Rate | 100 Gbps |
| Wavelength | 1295.56 nm to 1309.14 nm |
| Transmission Distance | Up to 10 km |
| Cable Type | Single-mode Fiber (SMF) |
| Modulation Type | NRZ |
Compliance & Origin
| Environmental Certification | RoHS-6 |
| TAA Compliance | Yes |
| Environmentally Friendly | Yes |
| Country of Origin | China / Japan / Malaysia / Taiwan |
| Certification Standards | CE, FCC, FDA, Class 1 Laser, IEEE 802.3 |
Advanced Security Features
| Security Features | Authenticity protection via Cisco secure transceiver ID |