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The LINK-PP LQ-LW100L-ER4I is a high-performance 100G QSFP28 ER4 Lite industrial-grade optical transceiver. Equipped with an advanced EML laser and APD detector, this optical module supports 103.125Gbps Ethernet and 111.81Gbps OTU4 dual data rates. It operates reliably between -40°C and 85°C, ensuring robust network connectivity in extreme environmental conditions.
| LINK-PP Part Number | LQ-LW100L-ER4I | Vendor Name | LINK-PP |
| Form Factor | QSFP28 | Max Data Rate | 111.81Gbps |
| Wavelength | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm | Max Cable Distance | 40km |
| Connector | Duplex LC | Media | SMF |
| Transmitter Type | EML | Receiver Type | APD |
| DDM/DOM | Supported | Operating Temperature Range | -40°C to +85°C |
| Modulation (Electrical) | 4x 25G-NRZ | Modulation (Optical) | 4x 25G-NRZ |
| Protocols | QSFP28 MSA, SFF-8636, IEEE 802.3bm, CAUI-4 | Warranty | 5 Years |
Designed for demanding telecom networks, the LINK-PP LQ-LW100L-ER4I 100G QSFP28 transceiver delivers exceptional long-reach performance. This industrial-grade module integrates cutting-edge LAN-WDM technology and comprehensive digital diagnostic monitoring, offering unparalleled reliability, superior thermal management, and ultra-low power consumption under 5W.
The LINK-PP LQ-LW100L-ER4I 100G QSFP28 optical module provides seamless high-speed data transmission. Engineered for harsh industrial settings, this ruggedized transceiver ensures stable bandwidth aggregation, exceeding 100Gbps network requirements for modern telecommunication and core routing architectures.
Empowering Data Center Interconnect (DCI) networks, the LQ-LW100L-ER4I guarantees ultra-low latency and high-capacity routing. This 100G connectivity solution excels in bridging dispersed data centers, enabling scalable, long-haul cloud infrastructure networks with uncompromising data integrity.
Utilizing advanced LAN-WDM technology, the LQ-LW100L-ER4I module multiplexes four distinct lanes onto a single fiber. This optical multiplexing significantly enhances fiber efficiency, reducing deployment costs while maximizing existing single-mode fiber bandwidth in long-reach optical networks.
Operating across precise LAN-WDM grid specifications, the LQ-LW100L-ER4I module utilizes 1295.56nm, 1300.05nm, 1304.58nm, and 1309.14nm central wavelengths. This wavelength assignment minimizes chromatic dispersion over extended distances, ensuring flawless high-speed optical signal integrity for core networks.
By leveraging high-sensitivity APD receivers and Forward Error Correction (FEC), the LQ-LW100L-ER4I module supports impressive 40km transmission distances over single-mode fiber. For legacy systems without FEC, it still reliably achieves 30km extended reach operations.
Featuring a standard duplex LC interface, the LQ-LW100L-ER4I module allows for seamless integration into existing optical distribution frames. This widely adopted connector ensures secure, low-loss physical mating, streamlining network upgrades and simplifying long-haul fiber patching.
The LQ-LW100L-ER4I module incorporates integrated Digital Optical Monitoring (DOM). This diagnostic feature allows network administrators to continuously track critical parameters like temperature, voltage, and optical power through a standard 2-wire serial interface, preventing unexpected network downtime.
The LINK-PP LQ-LW100L-ER4I 100G QSFP28 optical transceiver undergoes stringent validation. It adheres strictly to international safety protocols and environmental directives, guaranteeing top-tier compliance for global enterprise deployments.
Our extensive LQ-LW100L-ER4I quality testing program systematically validates every optical component. We conduct rigorous performance simulations to ensure exceptional durability and zero-defect reliability in demanding communication environments.
Earning comprehensive international recognition, the LQ-LW100L-ER4I holds CE, FCC, UKCA, UL, and REACH quality certifications, confirming its absolute safety, electromagnetic compatibility, and strict environmental compliance.
The LQ-LW100L-ER4I is certified for reliable host-device compatibility. It perfectly complies with QSFP28 MSA specifications, ensuring seamless plug-and-play interoperability across leading switch and router network equipment vendors.
Every unit undergoes comprehensive factory evaluation. This rigorous testing ensures reliable QSFP28 performance, verifying optimal optical fidelity and electrical stability before final market release.
Verifies LAN-WDM center wavelengths and checks the precise side-mode suppression ratio.
Evaluates transmitter output signal quality and jitter tolerance for clear 100G data transmission.
Confirms flawless long-haul 40km signal reception by ensuring minimal data packet loss.
Guarantees continuous industrial-grade operation across extreme -40°C to 85°C environmental conditions.
We maintain strict packaging protocols for the LINK-PP LQ-LW100L-ER4I 100G QSFP28, ensuring your optical hardware arrives swiftly and in pristine factory condition.
ESD-safe shielding prevents static damage to internal microelectronic optical components.
Custom-fitted foam cushioning absorbs vibrations, protecting delicate EML lasers during transit.
Efficient warehouse management guarantees immediate shipment scheduling for your networking equipment.
Trusted worldwide courier partnerships ensure reliable, trackable delivery to any location.
Deploying the LINK-PP LQ-LW100L-ER4I 100G QSFP28 is straightforward. Simply insert the hot-pluggable optical module into a compatible industrial switch port, then connect your duplex LC single-mode fiber to establish immediate, high-capacity connectivity for telecom backbone infrastructure.
LINK-PP provides professional technical support, including pre-sales consultation, compatibility verification, and post-deployment troubleshooting to ensure smooth network operation.
Professional technical guidance to help customers select the most suitable LQ-LW100L-ER4I modules based on network architecture and application requirements.
Compatibility checks and validation to ensure seamless operation with Cisco switches and other supported networking platforms.
Step-by-step support for installation, configuration, and initial deployment to ensure stable and correct operation.
Ongoing technical support throughout the product lifecycle to ensure reliable performance in enterprise and carrier-grade networks.
LINK-PP provides after-sales support for the smooth deployment and reliable operation of the optical modules.
15-day no-reason return and refund
Free replacement for dead-on-arrival (DOA) or defective items within the initial period
Free repair services for manufacturing defects throughout the warranty period
Warranty exclusions and conditions apply
![]() Current Model LQ-LW100L-ER4I |
|---|
Compatible | LINK-PP | LINK-PP | LINK-PP |
Data Rate (Max) | 111.81Gbps | 111.81Gbps | 111.81Gbps |
Wavelength | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm | 1295.56nm, 1300.05nm, 1304.58nm, 1309.14nm | 1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm |
Connector | Duplex LC | Duplex LC | Duplex LC |
Cable Distance (Max) | 40km | 40km | 40km |
Cable Type | SMF | SMF | SMF |
Operating Temperature | -40°C to +85°C | -40°C to +85°C | 0°C to +70°C |
Form Factor | QSFP28 | QSFP28 | QSFP28 |
Transmitter Type | EML | EML | EML |
Receiver Type | APD | APD | APD |
DDM/DOM | Supported | Supported | Supported |
Modulation (Electrical) | 4x 25G-NRZ | 4x 25G-NRZ | 4x 25G-NRZ |
Modulation (Optical) | 4x 25G-NRZ | 4x 25G-NRZ | 4x 25G-NRZ |
Protocols | QSFP28 MSA, SFF-8636, IEEE 802.3bm, CAUI-4 | QSFP28 MSA,IEEE 802.3-2018,4WDM-40,SFF-8661,SFF-8636 | QSFP28 MSA, SFF-8636, IEEE 802.3bm, CAUI-4 |
Warranty | 5 Years | 5 Years | 5 Years |
| Pictures | ID# | Description | Price | Stock | Add to Cart |
Q: Does this transceiver comply with IEEE standards and support standard DDM/DOM monitoring? By S***n
A: Definitely. It strictly complies with IEEE 802.3ba 100GBASE-ER4 Lite, QSFP28 MSA, and OTN OTU4 standards. It also fully supports DOM/DDM interfaces, allowing network admins real-time diagnostic monitoring of optical power, temperature, and voltage. By admin
Q: Will this 100G QSFP28 ER4 module work with my mixed Cisco and Arista switch environment? By C***s
A: Absolutely. The LQ-LW100L-ER4I is fully MSA compliant and undergoes strict multi-vendor compatibility testing. It works seamlessly across Cisco, Arista, Juniper, and other major networking platforms without any vendor lock-in issues, ensuring flawless interoperability. By admin
Q: What type of fiber cable and connector is required for this 100G module? By M***z
A: This optical transceiver requires a Single-Mode Fiber (SMF) patch cable equipped with a standard Duplex LC connector. It supports up to 40km transmission with FEC (Forward Error Correction) enabled, or 30km without FEC. By admin
A: Yes, we provide competitive tiered pricing for batch deployments and enterprise procurement. Please contact our sales team directly, and we will tailor a wholesale discount package that fits your specific project budget and scale. By admin
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