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QSFP28 100G LR4 Quick Guide

Sidharth
Last updated: July 24, 2022 8:15 am
Sidharth
Published February 24, 2022
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4 Min Read

QSFPTEK offers 3 kinds of 100G LR4/LR transceivers, including QSFP28-LR4-100G, QSFP28-CWDM-LR4, QSFP-100/112G-LR4. This article will tell the differences and which one to choose.

Table of Contents
Features and SpecificationsChoose QSFPTEK 100G LR4/LR Modules and Reach New Performance PeaksFeatures of 100GBASE LR4Summary

Features and Specifications

The 3 QSFP28 optics have some similarities, supporting a max, transmission distance of 10km over single-mode LC fiber patch cable. The following table shows the differences.

Product NumberQSFP28-LR4-100GQSFP28-CWDM-LR4QSFP28-LR4-100G (dual-rate)
Max. Data Rate103.1Gbps(4x 25.78Gbps)103.1Gbps(4x 25.78Gbps)103.1Gbps(4x 25.78Gbps) 112Gbps(4x 28Gbps)
Wavelength1295.56nm 1300.05nm 1304.58nm 1309.14nm1271nm 1291nm 1311nm 1331nm1295.56nm 1300.05nm 1304.58nm 1309.14nm
TX Power-4.3~4.5dBm-6.5~2.5dBm-4.3~4.5dBm @100G -0.6~4dBm @112G
Receiver Sensitivity<-10.6dBm<-13dBm<-8.6dBm @100G <-8.4dBm @112G
Modulation FormatNRZNRZNRZ
Power Consumption4W3.5W3.5W
Operating Temperature0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)0 to 70°C (32 to 158°F)
Packaging TechnologyCOBBOXBOX
ApplicationData Center, 100G EthernetTelecom, Data Center, 100G EthernetTelecom, Data Center, 100G Ethernet and 112G OTN OTU4
PriceUS$ 239.00US$ 239.00US$ 299.00

Choose QSFPTEK 100G LR4/LR Modules and Reach New Performance Peaks

The 3 types of QSFPTEK transceivers all have their own characteristics. You need to choose the transceiver that best suits your current network needs and improve your network performance. The specific differences are as follows.

First, let’s look at QSFP28-LR4-100G and QSFP28-CWDM-LR4, the former’s bands are 1295.56nm 1300.05nm 1304.58nm 1309.14nm, the latter 1271nm, 1291nm, 1311nm, 1331nm. The transmission distance is both 10KM. The main difference is that QSFP28-CWDM-LR4 is the standard wavelength of CWDM ITUT, which is more suitable for enterprise core and distribution layer applications.

QSFP28-LR4-100G (dual rate), supports 103.1Gbps and 112Gbps. The newly released QSFPTEK dual-rate 100G transceiver supports both 100G Ethernet (25G per lane) and 112G OTU4 (28G per lane). The QSFPTEK dual rate QSFP28-LR4-100G transceiver is recommended for 100G Ethernet and OTN applications.

Features of 100GBASE LR4

This 100GBASE LR4 has some special features that other products do not have, and has some unique reference advantages, the application scenarios of these advantages include: Data center direct connect solution for 100G Gigabit Ethernet switches, 100G with box and case Cost-Effective Data Center Interconnect Solutions for Gigabit Ethernet Switches and Data Centers 100G Gigabit Ethernet Switch Interconnect Solutions with FHD Fiber Adapter Panels,

The benefits of 100GBASE LR4 are numerous; 100GBASE LR4 transceivers feature 3.5W low power consumption, high-density connectivity, and high-speed features, providing a cosf-effective way to help you ramp up to 100G transmission faster. 100GBASE LR4 has been tested on a large number of different brands of host equipment, proving its compatibility and stability. The quality of each unit is tested to ensure compatibility with the target switch environment to ensure flawless operation. Extensive testing increases reliability. 100GBASE LR4 goes through a rigorous process with state-of-the-art equipment to ensure you get high quality and reliable optics.

When you buy 100GBASE LR4, what you get in the package is COB package, DFB+PIN, built-in dual CDR, fully compatible with 200+ vendors, for 100GBASE Ethernet and data center, hot-pluggable QSFP28, MSA compliant Standard, FS BOX – supports live configuration, etc.

Summary

QSFPTEK provides a wide range of original brands (Cisco, Juniper, Arista, Intel, Mellanox, Huawei, H3C,etc) compatible 100G optical transceivers and cables including QSFP28 100G SR4, LR4, CWDM4, PSM4, etc. Each of which rigorously tested before leaving the factory. Welcome to inquire at QSFPTEK.

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BySidharth
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Professional Blogger. Android dev. Audiophile.
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