| Transceiver Type | QSFP+ 40G LR4 Lite |
| Application | 40 Gigabit Ethernet |
| Form Factor | QSFP+ |
| Wavelength | 1310 nm |
| Reach | 2 km |
| Connector Type | LC Duplex |
| Power Consumption | 3.5W (typical) |
| Hot Swappable | Yes |
| Digital Optical Monitoring (DOM) | Supported |
| Designed for | Cisco switching and routing platforms |
CISCO QSFP 40G Ethernet LR4 Lite Transceiver, LC, 2KM
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Regular price
$3,598.88
Regular price
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$3,598.88
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MSRP: $7,091.40
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- QSFP 40G Ethernet module supporting a 2km transmission distance
- Compatible with LC optical connectors
- Meets TAA compliance requirements for federal procurements
- Manufactured in China, Malaysia, Taiwan, and the United States
Shipping & Returns
Shipping & Returns
All our products can be shipped anywhere in the Continental United States.
Key Benefits
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- TAA compliance ensures suitability for government and federally regulated deployments
- 2km range over LC connectors provides flexible deployment in medium-range network topologies
- Cisco-branded component delivers dependable interoperability with existing Cisco infrastructure
Product Overview
The CISCO QSFP 40G Ethernet LR4 Lite Transceiver (Part Number: WSP-Q40GLR4L=) delivers 40Gbps connectivity across LC connectors with a 2km reach. Designed for Cisco hardware environments, it offers TAA compliance for federal use and is manufactured across multiple qualified countries. Ideal for enterprise and data center short-haul interconnects, this module enables high-speed, reliable networking in scalable infrastructures.
Specifications
Product Overview
Physical & Environmental
| Dimensions | 18.35 mm x 72.4 mm x 8.5 mm (H x D x W) |
| Weight | 0.075 kg (approx.) |
| Minimum Operating Temperature | 0°C |
| Maximum Operating Temperature | 70°C |
| Storage Temperature Range | -40°C to 85°C |
| Operating Humidity (non-condensing) | 10% to 85% |
| Storage Humidity | 5% to 95% |
Cloud Management & Licensing
| Cloud Management | |
| License Required | No |
Interfaces
| Interface Type | QSFP+ (Quad Small Form-factor Pluggable Plus) |
| Host Interface | 40G Ethernet electrical interface |
| Optical Interface | 4x10Gbps using CWDM on single-mode fiber |
| Cable Type | Single-mode fiber |
| Fiber Mode Supported | Single-mode |
| Number of Connectors | 2 (LC duplex) |
| Data Rate | 40 Gbps aggregate |
| Lane Count | 4 lanes x 10Gbps (CWDM) |
Compliance & Origin
| Country of Origin | China / Malaysia / Taiwan / United States |
| TAA Compliant | Yes |
| RoHS Compliant | Yes |
| EMI Standards | FCC Part 15 Class A, EN55022 Class A |
| Safety Standards | UL 60950-1, IEC 60825-1, IEC 60825-2 |
| Laser Class | Class 1 |
| Regulatory Approvals | CE, FDA, CDRH |
Advanced Security Features
| Secure Booting | |
| MACsec Encryption | |
| Authentication |
