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Cisco QSFP-40GE-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km LC DOM Optical Transceiver Module
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Cisco QSFP-40GE-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km LC DOM Optical Transceiver Module

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US$ 279.00

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The item will be shipped from Asia global warehouse via Global Shipping Program (GSP). Import fees included at the time of purchase plus customs clearance are handled by FS. Sales tax will be included at checkout. Read more
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FS P/N: QSFP-LR4-40G
3953 In Stock,
·420

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·162

In Stock, SG Warehouse

·120

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·1

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The item will be shipped from Asia global warehouse via Global Shipping Program (GSP). Import fees included at the time of purchase plus customs clearance are handled by FS. Sales tax will be included at checkout. Read more
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Cisco QSFP-40GE-LR4 Compatible 40GBASE-LR4 QSFP+ Optical Transceiver Module for Ethernet and Data Center (SMF, 1310nm, 10km, LC, DOM)

Cisco Compatible QSFP-40GE-LR4 Vendor Name FS
Form Factor QSFP+ Max Data Rate 44.6Gbps
Wavelength 1310nm Max Cable Distance* 10km@SMF
Connector LC duplex Media SMF
Transimitter Type DFB CWDM Receiver Type PIN
DDM/DOM Supported Commercial Temperature Range 0 to 70°C (32 to 158°F)
TX Power -7~2.3dBm Receiver Sensitivity <-11.5dBm
Power Consumption 3.5W Extinction Ratio 4.5dB
Modulation Format NRZ CDR None
Transmit and Dispersion Penalty 2.6dB Powerbudget 4.5dB
Packaging Technology BOX Packaging FEC Function** Supported
Protocols OTN OTU3, 40G Ethernet, Infiniband, FiberChannel, SATA/SAS3, MSA Compliant Application 40GBASE Ethernet, OTN OTU3 C4S1-2D1, OTU3e1 and OTU3e2, Data Center

Please Note:
* Minimum cabling distance is 2 meters for -LR4 and -ER4 according to the IEEE 802.3 standard.
** FEC in host is required to be turned on to increase the reliability of transmission.

Quality Certifications

  • This product provides the lifetime warranty, which aims to reflect our greatest sincerity. Please contact us to learn more.
  • This product is in conformity with ISO9001. This system is valid to a company engaging in development, production and supply service of fiber optical products. Please contact us to learn more.
  • This product meets applicable RoHS requirements. The RoHS directive restricts the use of ten hazardous materials in the manufacture of various types of electronic and electrical equipment: lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, and four different phthalates. Please contact us to learn more.
  • REACH is a regulation of the European Union, adopted to improve the protection of human health and the environment through the better and earlier identification of the intrinsic properties of chemical substances. Please contact us to learn more.
  • This product was produced under the requirements of CE to indicate conformity with the essential health and safety. Please contact us to learn more.
  • This product fully accords with the FCC, which aims to manage the radio wave and magnetic fields more reasonably. Please contact us to learn more.
  • FDA is responsible for regulating radiation-emitting electronic products. To protect the public from hazardous and unnecessary exposure to radiation from electronic products. Please contact us to learn more.
  • This product is RCM compliant, which indicates compliance with electrical safety, EMC, EME and telecommunications legislative requirements. Please contact us to learn more.
  • This product fully accords with the WEEE, which is an environmental regulation of the European Union and aims to enhance the improvement of collection, treatment and recycling of products at the end of their life. Please contact us to learn more.
Please Note: Installing a third party transceiver does not void your network equipment warranty. Network equipment manufacturers all have guidelines stating that warranty support on their products will not be affected.

Product Tree

Direct Connection for 40G QSFP+ LR4 Transceivers

Cisco QSFP-40GE-LR4 Compatible 40GBASE-LR4 QSFP+ 1310nm 10km LC DOM Optical Transceiver Module

US$ 279.00

1m (3ft) LC UPC to LC UPC Duplex OS2 Single Mode PVC (OFNR) 2.0mm Fiber Optic Patch Cable

US$ 3.90

40GBASE-LR4 and OTU3 QSFP+ 1310nm 10km LC Optical Transceiver Module for FS Switches

US$ 279.00

S5850-48S6Q 48-Port 10Gb SFP+ L3 Managed Ethernet Switch with 6 40Gb QSFP+ Uplinks

US$ 3,600.00

See more

Quality Testing Program


Test Bed

Cisco Catalyst C9500-24Y4C

Cisco Nexus 92160YC-X

Cisco Nexus 93180YC-EX

Cisco Nexus 9300 Series (Switch/Module : N9K-C9396PX; Uplink Module : N9K-M12PQ )


Cisco ASR 9000 Series (Modular Line Card : A9K-MPA-1X40GE)



Platform Support

Cisco QSFP-40GE-LR4 is supported on a wide range of Cisco equipment.

Cisco Nexus 9396PX Cisco Nexus 3000 N3K-3132Q Cisco Nexus 3000 N3K-C3064-32T Cisco Nexus 92304QC Cisco Nexus 9000 N9K-C9372TX-E Cisco Nexus 3000 N3K-C3064X Cisco A9K-MPA-2X40GE Cisco Nexus 5000 N5K-C56128P Cisco Nexus 9000 N9K-X9432PQ Cisco Nexus 9000 N9K-C93120TX Cisco Nexus 3000 N3K-C3064PQ Cisco Nexus 5000 N55-M4Q Cisco Nexus 9000 N9K-C92160YC-X Cisco Nexus 6000 N6004-B-24Q Cisco Nexus 3000 N3K-3172TQ Cisco Nexus 9000 N9K-M6PQ-E Cisco Nexus 9000 N9K-C9372PX Cisco Nexus 3000 N3K-3172PQ Cisco Nexus 9000 N9K-X9636PQ Cisco Nexus 9000 N9K-C9332PQ
Cisco Nexus 9000 N9K-M6PQ-ECisco Nexus 2000 N2K-C2248PQCisco Nexus 9000 N9K-C9372PX-ECisco Nexus 9000 N9K-C9272QCisco Nexus 9000 N9K-C93120TXCisco Catalyst C9500-24Y4CCisco Nexus 9000 N9K-C9372TX-ECisco ASR 9000 A9K-MPA-1X40GE Cisco Nexus 9000 N9K-M6PQ-ECisco Nexus 9000 N9K-M6PQCisco Nexus 9000 N9K-M12PQCisco Nexus 7000 N77-F324FQ-25Cisco Nexus 9000 N9K-C9372TXCisco Nexus 9300-EX Series 93180YC-EXCisco Nexus 9000 N9K-X9564TX (uplinks)Cisco Nexus 9000 N9K-X9432C-SCisco Nexus 3000 N3K-C31128PQ-10GECisco Nexus 9000 N9K-X9464TXCisco Nexus 3000 N3K-C3016QCisco Nexus 9000 N9K-M12PQ

Questions & Answers
  • Q:

    Is it compatible with FS S5850-32S2Q Switch? By Brockman on 04/23/2020

    A:

    Yes, it is compatible with FS S5850-32S2Q. By FS on 04/23/2020

  • Q:

    Dear Guys I just wondering if the qfx-QSFP+40G-LR can work with QFX-10G-LR? Thanks for your kind help! By Jerry on 12/06/2018

    A:

    Sir, thanks for your question. The qfx-QSFP+40G-LR is LC ports, so cannot connect QFX-10G-LR directly. You can choose #36440 #68047 #31287 to form a complete 40-4*10 connection. The length can be customized. By FS on 12/07/2018

  • Q:

    Are these compatible with Cisco’s Catalyst 9500 Series switches? By Scott on 07/26/2018

    A:

    Thank you for your question. The module is compatible with Cisco's Catalyst 9500 Series switches. Pls rest assured. By FS on 07/27/2018

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