How cost-effective is the QSFP-40G-LR4-S?

The QSFP-40G-LR4-S offers high performance at a competitive price, making it an excellent choice for enterprise-class applications.

What are the key features of the QSFP-40G-LR4-S?

The QSFP-40G-LR4-S features 40GBASE-LR4 transmission, LC connectors, and a range of up to 10km, making it suitable for long-distance networking.

What are the typical application scenarios for the QSFP-40G-LR4-S?

The QSFP-40G-LR4-S is ideal for data centers and enterprise networks requiring high-speed, long-distance connectivity.

How to install the QSFP-40G-LR4-S module?

The QSFP-40G-LR4-S module can be installed by inserting it into the appropriate QSFP port on a compatible switch or router.

Does the QSFP-40G-LR4-S need firmware upgrades?

The QSFP-40G-LR4-S may require firmware upgrades depending on the network hardware manufacturer's recommendations.

Are there alternative products to the QSFP-40G-LR4-S?

Alternatives to the QSFP-40G-LR4-S include other 40GBASE-LR4 modules from different manufacturers or other models within the Cisco 40G Optical Modules series.

QSFP-40G-LR4-S

Name: QSFP-40G-LR4-S
SKU: QSFP-40G-LR4-S
Price: 715 USD
Availability: InStock
Rating: 4.7 (7 reviews)

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Name:	QSFP-40G-LR4-S
Model:	QSFP-40G-LR4-S - Cisco SFP GLC Module
Brand:	Cisco
Detail:	Cisco 40GBASE-LR4 QSFP Module for SMF
	Rating: 94% 4.7/5.0 7 Reviews 10 Questions 64/mo Sold
List Price:	US$12,860.09 (94% OFF)
Price:	USD AUD BRL GBP CAD CNY EUR HKD MXN RUB SGD CHF AED US$715.00
Coupon	Up to $80 Coupons Get Now $10.00 Order Over $100 RS10 $20.00 Order Over $2000 RSTW $50.00 Order Over $5000 RSFI $80.00 Order Over $8000 RSEI
Availability:	In Stock at Global Warehouses. United States United Kingdom Germany United Arab Emirates Singapore India Hong Kong
Condition:	Original New

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QSFP-40G-LR4-S

Cisco 40GBASE-LR4 QSFP Module for SMF

List Price: US$12,860.09

Price: US$715.00

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Overview

QSFP-40G-LR4-S Overview

The Cisco® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio offers customers a wide variety of high-density and low-power 40 Gigabit Ethernet connectivity options for data center, high-performance computing 00networks, enterprise core and distribution layers, and service provider applications.

Quick Specs

Table 1 shows the Quick Specs.

Product Code	QSFP-40G-LR4-S
Description	Cisco 40GBASE-LR4 QSFP Module for SMF
Dimensions	13.5 x 18.4 x 72.4 mm
Wavelength (nm)	1310
Cable Type	SMF
Core Size (microns)	G.652
Modal Bandwidth (MHz-km)	\
Cable Distance	10km
Power Consumption (W)	3.5
Pull Tab Color	Blue

Product Details

Features and benefits of Cisco QSFP 40G modules:

● 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)

Compare to Similar Items

Table 2 shows the comparison.

Product Code	QSFP-40G-LR4=	QSFP-40G-LR4-S
Description	Cisco 40GBASE-LR4 QSFP Module for SMF with OTU-3 data-rate support	Cisco 40GBASE-LR4 QSFP Module for SMF
Dimensions	13.5 x 18.4 x 72.4 mm	13.5 x 18.4 x 72.4 mm
Wavelength (nm)	1310	1310
Cable Type	SMF	SMF
Core Size (microns)	G.652	G.652
Modal Bandwidth (MHz-km)	\	\
Cable Distance	10km	10km
Power Consumption (W)	3.5	3.5
Pull Tab Color	Blue	Blue

Get More Information

Do you have any question about the QSFP-40G-LR4-S?

Quality Certifications

Specification

QSFP-40G-LR4-S Specification

QSFP-40G-LR4-S Specifications
Dimensions	13.5 x 18.4 x 72.4 mm
QSFP Port cabling specifications
Wavelength (nm)	1310
Cable Type	SMF
Core Size (microns)	G.652
Modal Bandwidth (MHz-km)	\
Cable Distance	10km
Power Consumption (W)	3.5
Pull Tab Color	Blue
Optical characteristics
Type	40GBASE-LR4, 1310 nm, SMF
Transmit Power (dBm)	Max:+2.3 per lane Min:-7.0 per lane
Receive Power (dBm)	Max:+2.3 per lane Min:-13.7 per lane
Transmit and Receive Wavelength (nm)	Four lanes: 1271, 1291, 1311, 1331
Environmental conditions
Commercial temperature	0 to 70°C (32 to 158°F)
Storage temperature	-40 to 85°C (-40 to 185°F)
Regulatory and standards compliance
Standards	•GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable •GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies •GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors •IEEE 802.3ba (-SR4, -LR4) •IEEE 802.3ae (-CSR4) •QSFP+ MSA SFF-8436 •SFP+ MSA SFF-8431 and -8461 •RoHS 6
Safety	•Cable jacket of QSFP copper modules is UL E116441 Compliant •QSFP copper cables are E

Quality Certifications

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Q&A

Questions & Answers

What troubleshooting steps are common for the QSFP-40G-LR4-S?

Common troubleshooting steps include checking the physical connection, verifying configuration settings, and ensuring compatibility with network devices.

What accessories are available for the QSFP-40G-LR4-S?

Accessories for the QSFP-40G-LR4-S may include compatible LC fiber optic cables and module extraction tools.

How does the QSFP-40G-LR4-S compare to other similar products?

The QSFP-40G-LR4-S provides robust performance and long-distance capabilities, making it competitive with other 40G optical modules in the same category.

Is the QSFP-40G-LR4-S suitable for future-proofing my network?

Yes, the QSFP-40G-LR4-S supports 40G speeds and long-distance transmission, making it a forward-looking choice for expanding enterprise networks.

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