QSFP-40G-LR4-S long-range optical transceiver
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QSFP-40G-LR4-S

Original price was: $13,370.51.Current price is: $2,674.10.

  • Product Description: QSFP 40GBASE-LR4 Trnscvr Mod, LC, 10km, Enterprise-Class
  • Manufacturer: Cisco
  • Part Number: QSFP-40G-LR4-S
  • Model Number: Cisco 40GBASE-LR4 QSFP Module for SMF
  • Model Description: QSFP-40G-LR4-S - Cisco SFP GLC Module
  • Rating:
  • Product Can Be: Bought , Rented ,
  • Availability: In Stock
  • Also Available In: Refurbished
  • Condition: New
  • Warranty: New- 1 Year

Order Procedure

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QSFP-40G-LR4-S Overview

The CiscoĀ® 40GBASE QSFP (Quad Small Form-Factor Pluggable) portfolio provides a diverse selection of high-density, low-power 40 Gigabit Ethernet connectivity solutions. These are ideal for use in data centers, high-performance computing networks, enterprise core and distribution layers, and service provider environments.


Quick Specifications

The following table highlights the key specifications:

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) N/A
Cable Distance 10km
Power Consumption (W) 3.5
Pull Tab Color Blue

Product Details

The Cisco QSFP-40G-LR4-S module offers the following features and benefits:

  • Hot-swappable input/output device compatible with 40 Gigabit Ethernet Cisco QSFP ports.
  • Interoperable with other IEEE-compliant 40GBASE interfaces where applicable.
  • Certified and tested on Cisco QSFP 40G ports, ensuring high performance, quality, and reliability.
  • High-speed electrical interface adhering to the IEEE 802.3ba standard.
  • QSFP form factor with a 2-wire I2C communication interface and additional low-speed electrical connections compliant with SFF 8436 and QSFP Multisource Agreement (MSA).

Comparison with Similar Products

The table below compares the QSFP-40G-LR4-S and QSFP-40G-LR4= modules:

Specification 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) N/A N/A
Cable Distance 10km 10km
Power Consumption (W) 3.5 3.5
Pull Tab Color Blue Blue

QSFP-40G-LR4-S Specification

QSFP-40G-LR4-S Specifications

Dimensions 13.5 x 18.4 x 72.4 mm

Ā Ā Ā 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

Ā 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 70Ā°C (32 to 158Ā°F)
Storage temperature -40 to 85Ā°C (-40 to 185Ā°F)

Regulatory and standards compliance

Standards ā€¢GR-20-CORE: Generic Requirements for Optical Fiber and Optical Fiber Cable

ā€¢GR-326-CORE: Generic Requirements for Single-Mode Optical Connectors and Jumper Assemblies

ā€¢GR-1435-CORE: Generic Requirements for Multifiber Optical Connectors

ā€¢IEEE 802.3ba (-SR4, -LR4)

ā€¢IEEE 802.3ae (-CSR4)

ā€¢QSFP+ MSA SFF-8436

ā€¢SFP+ MSA SFF-8431 and -8461

ā€¢RoHS 6

Safety ā€¢Cable jacket of QSFP copper modules is UL E116441 Compliant

ā€¢QSFP copper cables are E

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