Does it support DDM and standard 100G networking protocols?

Yes. The module complies with QSFP28 MSA specifications, supports DDM/DOM digital diagnostics, and is designed for 100G Ethernet applications including data center interconnect, enterprise backbone, telecom transport, and cloud networking.

Do you offer volume discounts for cloud providers or telecom deployment projects?

Absolutely. We provide competitive bulk pricing, project quotations, and long-term supply support for telecom operators, cloud data centers, enterprise customers, and system integrators.

What fiber type and connector are required for this module?

The transceiver uses single-mode fiber (SMF) with a Duplex LC optical interface and supports 100G Ethernet transmission up to 40km using LAN-WDM 1310nm technology.

Is this industrial version suitable for outdoor cabinets and harsh environments?

Yes. The industrial-grade model is designed for extended operating temperatures, making it ideal for outdoor communication cabinets, factory automation, utility networks, transportation systems, and other demanding environments.

Will this industrial 100G QSFP28 LAN-WDM 40km module work with Cisco, Juniper, Arista, Dell, and NVIDIA switches?

Yes. It supports broad OEM compatibility and can be programmed for Cisco, Juniper, Arista, Dell, NVIDIA, HPE, MikroTik, Ubiquiti, and many other mainstream networking platforms.

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FS QSFP-4W40-100G-I Compatible LINK-PP 100G QSFP28 LAN-WDM 1310nm 40km Duplex LC DDM SMF Optical Transceiver Module (Industrial)

Name: FS QSFP-4W40-100G-I Compatible LINK-PP 100G QSFP28 LAN-WDM 1310nm 40km Duplex LC DDM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 217051
Price: 2549.36 USD
Availability: InStock
Rating: 5 (28 reviews)

# 217051

Product: FS QSFP-4W40-100G-I Compatible LINK-PP 100G QSFP28 LAN-WDM 1310nm 40km Duplex LC DDM SMF Optical Transceiver Module (Industrial)
SKU: 217051
P/N: LQ-LW100-ER4I
Price: $ 2,897
Stock: 1706 in Stock
Sold: 1.5K
Product URL: https://www.l-p.com/products/495197.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

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Manufacture: LINK-PP

P/N: LQ-LW100-ER4I

Compatible:: Cisco; LINK-PP; Arista; Dell; Extreme; FS; Generic; H3C; Juniper; NVIDIA/Mellanox

Compatible P/N:: QSFP-LR4-100G | 10km; QSFP-LR4-100G-I | 10km; QSFP-4W20-100G-I | 20km; QSFP-4W40-100G-I | 40km; QSFP-ER4L-100G | 40km; QSFP-ZR4-100G | 80km; QSFP-ZR4-100G-I | 80km; QSFP-EZR4-100G | 100km

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FS QSFP-4W40-100G-I Compatible LINK-PP 100G QSFP28 Specifications

The FS QSFP-4W40-100G-I Compatible LINK-PP module is a ruggedized industrial-grade optical transceiver designed for high-speed 100G Ethernet applications over single-mode fiber. Compliant with 100GBASE-ER4 standards, it utilizes advanced LAN-WDM multiplexing to deliver stable, low-latency 100Gbps transmission up to 40km in harsh operating temperatures ranging from -40°C to +85°C. Built-in digital diagnostic monitoring ensures continuous performance tracking for mission-critical network infrastructure.

FS Part Number	QSFP-4W40-100G-I	Vendor Name	LINK-PP
Form Factor	QSFP28	Max Data Rate	111.81Gbps
Wavelength	1295.56nm, 1300.05nm, 1304.58nm and 1309.14nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	APD
Modulation (Electrical)	4x 25G-NRZ	Modulation (Optical)	4x 25G-NRZ
DDM/DOM	Supported	Operating Temperature Range	-40°C to +85°C
Protocols	QSFP28 MSA,IEEE 802.3-2018,4WDM-40,SFF-8661,SFF-8636	Warranty	5 Years

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Q: Does it support DDM and standard 100G networking protocols? By S***r on 2026-04-23

A: Yes. The module complies with QSFP28 MSA specifications, supports DDM/DOM digital diagnostics, and is designed for 100G Ethernet applications including data center interconnect, enterprise backbone, telecom transport, and cloud networking. By admin on 2026-04-23
Q: Do you offer volume discounts for cloud providers or telecom deployment projects? By L***z on 2026-02-18

A: Absolutely. We provide competitive bulk pricing, project quotations, and long-term supply support for telecom operators, cloud data centers, enterprise customers, and system integrators. By admin on 2026-02-18
Q: What fiber type and connector are required for this module? By M***z on 2025-12-16

A: The transceiver uses single-mode fiber (SMF) with a Duplex LC optical interface and supports 100G Ethernet transmission up to 40km using LAN-WDM 1310nm technology. By admin on 2025-12-16
Q: Is this industrial version suitable for outdoor cabinets and harsh environments? By N***g on 2025-02-03

A: Yes. The industrial-grade model is designed for extended operating temperatures, making it ideal for outdoor communication cabinets, factory automation, utility networks, transportation systems, and other demanding environments. By admin on 2025-02-03
Q: Will this industrial 100G QSFP28 LAN-WDM 40km module work with Cisco, Juniper, Arista, Dell, and NVIDIA switches? By S***s on 2024-12-30

A: Yes. It supports broad OEM compatibility and can be programmed for Cisco, Juniper, Arista, Dell, NVIDIA, HPE, MikroTik, Ubiquiti, and many other mainstream networking platforms. By admin on 2024-12-31

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L***s

Ukraine

Verified Purchase

5 .0

2026-06-21

Rock-solid 100G connectivity.

36 Helpful vote Comments

R***g

Hong Kong

Verified Purchase

5 .0

2026-06-02

Stable performance after months of operation.

193 Helpful vote Comments

A***n

Belgium

Verified Purchase

5 .0

2026-05-20

Duplex LC fits perfectly.

60 Helpful vote Comments

S***z

Singapore

Verified Purchase

5 .0

2026-03-20

DDM values stay accurate.

104 Helpful vote Comments

T***e

Canada

Verified Purchase

5 .0

2026-03-02

We tested interoperability across Cisco, Juniper, Arista, Dell, and NVIDIA switches, allowing seamless deployment throughout our mixed-vendor data center and enterprise backbone infrastructure.

189 Helpful vote Comments

E***n

Peru

Verified Purchase

5 .0

2026-02-25

Excellent choice for high-density switch deployments.

81 Helpful vote Comments

S***n

Finland

Verified Purchase

5 .0

2026-01-23

Reliable for base station backhaul.

151 Helpful vote Comments

R***e

Bolivia

Verified Purchase

5 .0

2025-10-21

Stable 40km fiber links.

161 Helpful vote Comments

M***s

Costa Rica

Verified Purchase

5 .0

2025-09-29

Using these QSFP28 transceivers for telecom aggregation and regional backbone connectivity reduced hardware costs while delivering dependable 40km transmission with consistent digital diagnostics throughout long-term field operation.

146 Helpful vote Comments

M***l

Denmark

Verified Purchase

5 .0

2025-08-14

The industrial-grade design handled wide temperature fluctuations inside outdoor communication cabinets while maintaining stable optical power and reliable 100G Ethernet performance over single-mode fiber.

140 Helpful vote Comments

S***n

Ethiopia

Verified Purchase

5 .0

2025-07-15

Great for data centers.

138 Helpful vote Comments

D***l

Italy

Verified Purchase

5 .0

2025-04-22

Ideal for outdoor communication cabinets.

31 Helpful vote Comments

W***g

Pakistan

Verified Purchase

5 .0

2025-04-19

Installed these 100G QSFP28 LAN-WDM 1310nm 40km industrial modules between two manufacturing campuses, and every optical link remained stable with accurate DDM monitoring despite continuous 24/7 production traffic.

36 Helpful vote Comments

S***n

Macao

Verified Purchase

5 .0

2025-04-07

Our 100G DCI upgrade completed smoothly.

28 Helpful vote Comments

A***s

Colombia

Verified Purchase

5 .0

2025-02-26

Works instantly with Cisco.

24 Helpful vote Comments

M***y

United States

Verified Purchase

5 .0

2025-01-23

LINK-PP is the most user-friendly website I have ever found. It has very knowledgeable staff and offers various good products at a reasonable price. Also, the Fast delivery has helped me save a lot of time.

52 Helpful vote Comments

L***r

Bulgaria

Verified Purchase

5 .0

2024-11-08

In time delivery and working perfectly.

63 Helpful vote Comments

N***a

Bulgaria

Verified Purchase

5 .0