| Device Type | Transceiver |
| Form Factor | QSFP |
| Cabling Type | SMF |
| Data Transfer Rate | 40 Gbps |
| Connectivity Technology | Wired |
| Wave Length | 1310 nm |
| Max Transfer Distance | 2 Km |
| Interfaces | LC |
| Features | Hot-swappable input/output device that plugs into a 40 Gigabit Ethernet Cisco QSFP port; Interoperable with other IEEE-compliant 40GBASE interfaces where applicable; Certified and tested on Cisco QSFP 40G ports for superior performance, quality, and reliability; High-speed electrical interface compliant to the IEEE 802.3ba standard; QSFP Form factor, 2-wire I2C communication interface and other low-speed electrical interface compliant to SFF 8436 and QSFP Multisource Agreement (MSA), |
CISCO QSFP 40G Ethernet LR4 Lite Transceiver, LC, 2KM

Key Benefits
Eye-Insights™ by Eye-In Technologies
AI-Powered Summaries from Online Customer Reviews
AI-Powered Summaries from Online Customer Reviews
Eye-Insights™ are generated by proprietary AI that analyzes real online customer reviews to highlight top pros and key product features. While we aim for accuracy, insights are provided “as-is” and individual results may vary.
- 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
Primary Information
Special Feature
| COO | CHINA / MALAYSIA / TAIWAN / UNITED STATES |
| TAA compliance | Yes |
Service&Support
| Service & Support Type | 5 years |
Dimensions&Miscellaneous
| Width | 18.4 Mm |
| Depth | 72.4 Mm |
| Height | 13.5 Mm |
UNSPSC Code
| UNSPSC Code | 43222608 |
Networking
| Data Link Protocol | Gigabit Ethernet |