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Cisco QSFP-40G-LR4-S= 40GBASE-LR4 QSFP Transceiver Module, LC, 10KM

VENDOR: CISCO Mfg Part#: QSFP-40G-LR4-S= UPC#: 882658786167
  • QSFP 40GBASE-LR4 TRNSCVR MOD, LC, 10KM,
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$6,656.15
$6,656.15
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MSRP: $13,571.40
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  • QSFP form factor for high-density networking environments
  • Supports 40 Gbps data transfer rate over single-mode fiber (SMF)
  • Operates at 1310 nm wavelength for long-distance transmission
  • Maximum reach of up to 10 kilometers with LC connectors
  • Compliant with IEEE 802.3ba standards
  • Backed by a 5-year standard warranty

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Key Benefits

Eye-Insights
  • Enables long-range 40G Ethernet connectivity up to 10 km for enterprise and campus networks
  • Compact form factor and TAA compliance make it ideal for government and commercial use
  • Cisco-backed 5-year warranty ensures dependable performance and investment protection

Product Overview

The Cisco QSFP-40G-LR4-S= is a high-speed optical transceiver module designed for 40 Gigabit Ethernet connectivity over long distances. With a QSFP form factor and support for SMF cabling, it offers reliable, high-bandwidth performance for data centers and enterprise backbone networks. The device transmits data at 40 Gbps using 1310 nm wavelength optics and supports a maximum transfer distance of 10 kilometers via duplex LC connectors.

Compliant with IEEE 802.3ba standards, this module ensures compatibility with leading networking infrastructure. Its compact footprint—measuring only 18.4 mm in width, 13.5 mm in height, and 72.4 mm in depth—makes it easy to integrate into dense equipment racks. The wired connectivity and advanced components contribute to consistent signal integrity across extended distances. Featuring manufacturing origins in tier-one locations such as China, Japan, and the USA, and TAA compliance, it is suitable for both commercial and government-grade networks.

Supported by a standard 5-year warranty, this Cisco transceiver module offers a cost-effective and scalable solution for organizations looking to expand high-speed fiber infrastructure without compromising reliability. This makes it an excellent choice for environments that require consistent uptime and regulatory compliance.

Specifications

Product Overview
Device Type Transceiver
Form Factor QSFP
Type QSFP-40GBASE-LR4 Optical Transceiver Module
Connectivity Technology Wired
Cabling Type Single-Mode Fiber (SMF)
Transceiver Type QSFP+ LR4
Wavelength 1310 nm
Max Transfer Distance 10 km
Power Consumption 3.5W (Maximum)
Hot Swappable Yes
Digital Optical Monitoring (DOM) Yes

Physical & Environmental
Width 18.4 mm
Height 13.5 mm
Depth 72.4 mm
Weight 75 g (approximate)
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)
Relative Humidity (Operating) 10% to 85% (non-condensing)
Relative Humidity (Storage) 5% to 95% (non-condensing)

Cloud Management & Licensing
Management Interface Not applicable (passive transceiver)
License Requirement No additional license required

Warranty & Support
Service & Support Type Standard Warranty: 5 years

Interfaces
Interface Type QSFP+
Connector Type Duplex LC
Data Transfer Rate 40 Gbps
Ports 1 x 40G Ethernet
Data Link Protocol 40 Gigabit Ethernet

Compliance & Origin
Country of Origin (COO) China / Japan / Malaysia / Taiwan / United States
TAA Compliant Yes
RoHS Compliance Yes
EMC Standards EMC Directive 2014/30/EU
Safety Standards UL 60950-1, EN 60950-1
Networking Compliance Standards IEEE 802.3ba

Advanced Security Features
Security Features Not applicable (layer-1 passive device)