We have a 30km point-to-point run on standard OS2 single-mode fiber with duplex LC patch cords. Is this CWDM 1G SFP module fully compatible with our cabling?

Yes, this module is specifically engineered for single-mode fiber using standard duplex LC optical connectors for links up to 40km.

Our edge distribution switches run in an indoor telecommunications room with fluctuating ambient heat. Can this module operate reliably within standard commercial temperatures?

Yes, the module is engineered for a standard commercial case operating temperature of 0°C to +70°C (32°F to 158°F), ensuring continuous stability across enterprise server rooms and indoor networking closets.

We are integrating this 1410nm CWDM module into a high-density aggregation switch. Will its hot-pluggable SFP footprint work seamlessly without rebooting the switch?

Yes, the LS-CW411G-40C module features a fully compliant hot-pluggable SFP footprint and SFP MSA standard interface for instant plug-and-play installation without interrupting active network traffic.

Does this transceiver support real-time telemetry like optical power and voltage over our SNMP-based monitoring system?

Yes, it features built-in SFF-8472 compliant Digital Diagnostic Monitoring (DDM), allowing your network management platform to monitor real-time optical power, operating temperature, supply voltage, and laser bias current.

We plan to run multiple channels over a single fiber pair using a passive CWDM filter. Does the module's laser maintain tight wavelength stability under full 1.25Gbps load?

Yes, the built-in CWDM DFB laser operates within the standard 1410nm channel, delivering stable optical output and high channel isolation without interfering with adjacent wavelengths on the passive filter.

Breadcrumb: Home; Products; Optics Transceivers | SFP Modules; 1/2/4G Transceiver Modules; 1G CWDM/DWDM SFP; 202676

Click to open expanded view

LINK-PP LS-CW411G-40C 1G SFP CWDM 1410nm 40km Duplex LC DDM SMF Optical Transceiver Module

Name: LINK-PP LS-CW411G-40C 1G SFP CWDM 1410nm 40km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 202676
Price: 43 USD
Availability: InStock
Rating: 4.9 (25 reviews)

Product: LINK-PP LS-CW411G-40C 1G SFP CWDM 1410nm 40km Duplex LC DDM SMF Optical Transceiver Module
SKU: 202676
P/N: LS-CW411G-40C
Price: $ 50
Stock: 132 in Stock
Sold: 1.6K
Product URL: https://www.l-p.com/products/492144.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

New Users: $10 Coupon for Orders , Code: linkpp2610

25 Reviews

5 Questions

1.6K Sold

$ 50

Free shipping. For wholesale pricing, please contact us directly.

Qty (pcs) :

Unit Price :

$ 50

100

$ 47.5

1000

$ 46

3000

$ 44.5

6000

$ 43

Manufacture: LINK-PP P/N: LS-CW411G-40C SKU: 202676

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Arista; Brocade; Dell; Extreme; H3C; HPE; HW; Juniper; Netgear

Wavelength:: 1270nm; 1290nm; 1310nm; 1330nm; 1350nm; 1370nm; 1390nm; 1410nm; 1430nm; 1450nm; 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

Shipping:

Free Shipping

to United States via FedEx

Estimated delivery time : 3-10 days.

5-Year Warranty 30-Day Returns 30-Day Exchange

Stock:

{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}} .

Quantity:

( Min. Order {{detail_data.prodInfo.minimum_ordered_quantity}} )

Total Price:

{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

Specifications
Features
Certification
Testing
Shipping
Usage
Support
Assurance
Comparison
Specification
Matching Products
Download
Q&A
Customer Reviews

LINK-PP LS-CW411G-40C 1G SFP Specifications

LS-CW411G-40C is a 1410nm CWDM SFP optical transceiver rated at 1.25Gbps, equipped with a DFB laser and PIN photodiode to enable up to 40km transmission over single-mode fiber. Integrated real-time digital diagnostic monitoring provides continuous readouts of bias current, temperature, supply voltage, and receive/transmit optical power. The module is specified for commercial operation across a case temperature range of 0°C to +70°C.

LINK-PP Part Number	LS-CW411G-40C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1410nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-5 to 0dBm	RX Power	-26 to -1dBm
Receiver Sensitivity	-24dBm	Receiver Overload	-1dBm
EMC (Electromagnetic Compatibility)	Supported	DDM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFP MSA、SFF-8472

Key Features of LINK-PP LS-CW411G-40C 1G SFP

LINK-PP LS-CW411G-40C combines a 1410nm CWDM DFB laser, 1Gbps data rate, and 40km reach over single-mode fiber in a standard SFP form factor. It offers a duplex LC interface, real-time DDM compatible with SFF-8472, and hot-pluggability while fully adhering to the SFP MSA specification.

LINK-PP LS-CW411G-40C 1G SFP Optical Module

The LS-CW411G-40C SFP module adopts a hot-pluggable SFP footprint for easy field replacement. It also complies with the SFP MSA, ensuring interoperability with standard networking equipment.

LS-CW411G-40C: 1 Gbps Connectivity for Distribution Networks

A 1Gbps data rate provides sufficient bandwidth for distribution network backhaul and aggregation links. This speed is well suited for Gigabit Ethernet backhaul and aggregation deployments.

LS-CW411G-40C Module with CWDM Technology for Fiber Efficiency

CWDM technology allows multiple optical channels to share a single fiber pair, reducing infrastructure costs. This module uses a fixed 1410nm wavelength within the CWDM grid, improving fiber utilization without requiring dense spacing.

LS-CW411G-40C Module with 1410nm Wavelength

The 1410nm wavelength positions this transceiver on a standard CWDM channel, enabling coexistence with other wavelengths over the same fiber. It simplifies network planning by using a well-defined ITU-T grid channel.

LS-CW411G-40C Module Supporting 40km Transmission

Up to 40km transmission distance is achievable over standard single-mode fiber with this module. Its DFB laser and PIN photodiode ensure reliable signal integrity for that extended reach.

LS-CW411G-40C Module with Duplex LC Interface

The module employs a duplex LC receptacle for dual-fiber operation, allowing independent TX/RX channels on one compact connector. This industry-standard design simplifies field terminations and guarantees consistent physical mating in high-density patch panels.

LS-CW411G-40C Module with DDM for Real-Time Monitoring

Real-time digital diagnostic monitoring (DDM) continuously tracks temperature, supply voltage, bias current, and optical power. This DDM function is fully compatible with the SFF-8472 management interface, enabling easy system supervision.

LINK-PP LS-CW411G-40C 1G SFP Certification

The LS-CW411G-40C 1G SFP CWDM module fully complies with major international industry standards. It holds key certifications including ISO 9001, CE, RoHS, and FCC to ensure high performance and environmental safety.

LS-CW411G-40C Quality Testing Program

Each SFP transceiver undergoes rigorous signal testing and environmental stress checks before leaving the factory. This comprehensive testing process guarantees stable signal transmission and low error rates during operation.

LS-CW411G-40C Quality Certifications

These official quality approvals verify that the optical transceiver meets strict safety and manufacturing benchmarks. They demonstrate our strong commitment to consistent product quality and long-term reliability.

LS-CW411G-40C Certified for Reliable Host-Device Compatibility

The LS-CW411G-40C CWDM SFP module is extensively tested across various network switches and routers to ensure seamless plug-and-play performance. Its excellent device compatibility helps prevent system errors and simplifies the installation process for users.

Rigorous Testing Ensures Reliable SFP Performance

Every LS-CW411G-40C 1G SFP optical transceiver undergoes strict performance checks to guarantee stable signal transmission and long-term network stability. Discover our complete validation methodology at the LINK-PP Test Support Center.

Rigorous Testing Ensures Reliable Transceiver Performance

Optical Spectrum Test

Measure central optical wavelength to ensure precise frequency alignment.

Eye Pattern Test

Verify signal waveform clarity for clean data transmission paths.

Bit Error Rate Test

Check total packet integrity under continuous heavy data traffic.

Temperature Test

Validate operational stability across extreme hot and cold conditions.

Product Shipping for LINK-PP LS-CW411G-40C 1G SFP

All LS-CW411G-40C 1G SFP transceiver modules are carefully packaged to protect physical components during transit. Standardized handling procedures ensure safe transit from our facility to your location.

Anti-Static Protective Packaging

Shield delicate transceiver circuitry from sudden electrical static hazards.

Shock-Resistant Transport Protection

Absorb sudden physical impacts while moving through shipping networks.

Fast Order Processing and Dispatch

Prepare verified orders quickly for rapid dispatch to carriers.

Global Logistics and International Delivery

Ship items reliably to customer destinations across multiple countries.

LINK-PP LS-CW411G-40C 1G SFP Usage Demonstration

Insert the LS-CW411G-40C 1410nm CWDM SFP into a compatible SFP slot until latched, remove the dust plug, and attach clean LC patch cords. Designed for high-density distribution networks, this module enables cost-effective multi-channel wavelength aggregation across intermediate metro links and enterprise branch sites.

LS-CW411G-40C Technical Support

LINK-PP offers end-to-end technical support, from pre-sales consultation to post-deployment assistance, ensuring smooth integration and reliable network performance.

Pre-Sales Technical Consultation

Professional guidance to help you select the optimal LS-CW411G-40C module for your network design and application needs.

Compatibility Verification Support

Validated compatibility with LINK-PP switches and other mainstream networking platforms for seamless deployment.

Deployment & Installation Assistance

Comprehensive step-by-step guidance for installation, configuration, and initial setup, ensuring accurate deployment and reliable, stable operation from the start.

Long-Term Technical Assurance

Ongoing technical support throughout the product lifecycle, delivering long-term stability for enterprise and carrier-grade networks.

LINK-PP LS-CW411G-40C 1G SFP After-Sales Assurance

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

Model Comparison Table

	Current Model LS-CW411G-40C Wavelength: 1410nm	LS-CW411G-80C Wavelength: 1410nm	LS-CW611G-40C Wavelength: 1610nm	LS-CW591G-40C Wavelength: 1590nm	LS-CW571G-40C Wavelength: 1570nm	LS-CW551G-40C Wavelength: 1550nm

Compatible	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP	LINK-PP
Data Rate (Max)	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps	1.25Gbps
Wavelength	1410nm	1410nm	1610nm	1590nm	1570nm	1550nm
Connector	Duplex LC	Duplex LC	Duplex LC	Duplex LC	Duplex LC	Duplex LC
Cable Distance (Max)	40km	80km	40km	40km	40km	40km
Cable Type	SMF	SMF	SMF	SMF	SMF	SMF
TX Power	-5 to 0dBm	-1 to +4dBm	-5 to 0dBm	-5 to 0dBm	-5 to 0dBm	-5 to 0dBm
Receiver Sensitivity	-24dBm	-26dBm	-24dBm	-24dBm	-24dBm	-24dBm
Operating Temperature	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C	0 to 70°C
Temperature	Commercial	Commercial	0 to 70°C	Commercial	0 to 70°C	Commercial
Form Factor	SFP	SFP	SFP	SFP	SFP	SFP
Transmitter Type	DFB	DFB	DFB	DFB	DFB	DFB
Receiver Type	PIN	PIN	PIN	PIN	PIN	PIN
Receiver Overload	-1dBm	-1dBm	-1dBm	-1dBm	-1dBm	-1dBm
EMC (Electromagnetic Compatibility)	Supported	Supported	Supported	Supported	Supported	Supported
DDM Support	Yes
Protocols	SFP MSA、SFF-8472	SFP MSA、SFF-8472	SFP MSA、SFF-8472	SFP MSA、SFF-8472	SFP MSA、SFF-8472	SFP MSA、SFF-8472

Action

Matching Products

Pictures

ID#

Description

Price

Stock

Add to Cart

Download

Product Drawing

PDF
LS-CWxx1G-40x.pdf

Questions & Answers
Ask a Question

No data

Q: We have a 30km point-to-point run on standard OS2 single-mode fiber with duplex LC patch cords. Is this CWDM 1G SFP module fully compatible with our cabling? By N***r on 2026-04-20

A: Yes, this module is specifically engineered for single-mode fiber using standard duplex LC optical connectors for links up to 40km. By admin on 2026-04-21
Q: Our edge distribution switches run in an indoor telecommunications room with fluctuating ambient heat. Can this module operate reliably within standard commercial temperatures? By S***n on 2026-03-11

A: Yes, the module is engineered for a standard commercial case operating temperature of 0°C to +70°C (32°F to 158°F), ensuring continuous stability across enterprise server rooms and indoor networking closets. By admin on 2026-03-12
Q: We are integrating this 1410nm CWDM module into a high-density aggregation switch. Will its hot-pluggable SFP footprint work seamlessly without rebooting the switch? By Q***y on 2026-01-13

A: Yes, the LS-CW411G-40C module features a fully compliant hot-pluggable SFP footprint and SFP MSA standard interface for instant plug-and-play installation without interrupting active network traffic. By admin on 2026-01-14
Q: Does this transceiver support real-time telemetry like optical power and voltage over our SNMP-based monitoring system? By P***r on 2025-10-12

A: Yes, it features built-in SFF-8472 compliant Digital Diagnostic Monitoring (DDM), allowing your network management platform to monitor real-time optical power, operating temperature, supply voltage, and laser bias current. By admin on 2025-10-13
Q: We plan to run multiple channels over a single fiber pair using a passive CWDM filter. Does the module's laser maintain tight wavelength stability under full 1.25Gbps load? By R***e on 2025-07-04

A: Yes, the built-in CWDM DFB laser operates within the standard 1410nm channel, delivering stable optical output and high channel isolation without interfering with adjacent wavelengths on the passive filter. By admin on 2025-07-05

Customer Reviews
Write a Review

{{stardata.star}}

{{comment.count}} reviews
5 Stars

{{comment.star5}}%

4 Stars

{{comment.star4}}%

3 Stars

{{comment.star3}}%

2 Stars

{{comment.star2}}%

1 Star

{{comment.star1}}%

All Reviews ({{comment.star_num?comment.star_num:comment.count}})

All Reviews

5 stars only

4 stars only

3 stars only

2 stars only

1 star only
Reviews with Pictures ( {{comment.pic_comment}} )
See All Reviews

No data

E***e

Iran, Islamic Republic of

Verified Purchase

5 .0

2026-06-25

Fast dispatch, standard duplex LC seated firmly, link up right away.

43 Helpful vote Comments

J***s

Spain

Verified Purchase

5 .0

2026-06-19

Our operations team integrated these 1G CWDM transceivers to establish an off-site data replication link over leased single-mode fiber strands. The optical transmitter maintains tight center wavelength precision, eliminating potential adjacent channel bleeding inside high-density passive filter trays. The standard duplex LC interface mates snugly with our patch panels, ensuring low back-reflection and stable physical connectivity throughout daily operations. Real-time digital diagnostics continuously monitor temperature and internal operating status without requiring specialized monitoring tools. It is an exceptionally reliable optical transceiver for long-reach enterprise backbone applications.

115 Helpful vote Comments

V***e

Argentina

Verified Purchase

5 .0

2026-06-11

No packet loss, low latency, and perfect wavelength stability on the 30km route.

42 Helpful vote Comments

I***r

India

Verified Purchase

5 .0

2026-05-04

Deployed these SFP optical modules across our campus fiber ring. The 1410nm wavelength paired perfectly with our CWDM Mux, and the 40km single-mode reach gives us plenty of headroom even on the long runs. DDM telemetry is accurate and the modules run cool at 0-70°C.

102 Helpful vote Comments

P***s

United States

Verified Purchase

5 .0

2026-04-26

The metal casing feels sturdy and the bail latch operates smoothly without snagging in dense 48-port patch panels. The duplex LC connection clicked securely into our patch cables.

113 Helpful vote Comments

K***t

Nepal

Verified Purchase

5 .0

2026-03-25

Passive CWDM Mux integration was seamless, with precise wavelength.

50 Helpful vote Comments

O***k

Netherlands

Verified Purchase

5 .0

2026-03-16

We deployed this 1410nm CWDM SFP module to connect two core switch stacks across our campus network. The transceiver slid into the standard SFP slot easily, and the duplex LC patch cable clicked into place securely. It integrated directly with our passive CWDM multiplexer unit without causing any channel crosstalk or link flapping. Our management platform picked up the DDM temperature and voltage telemetry immediately for 24/7 monitoring.

104 Helpful vote Comments

D***m

Australia

Verified Purchase

5 .0

2026-02-18

Kept a couple of these 1410nm CWDM SFP transceivers as cold spares on-site. Hot-swapped one during a scheduled maintenance window without interrupting neighboring channels on the same fiber pair.

67 Helpful vote Comments

N***y

Germany

Verified Purchase

5 .0

2026-01-20

Used these 1G SFP CWDM transceivers to aggregate several remote IP camera feeds back to the central server room over single-mode fiber. Stable link budget and no thermal throttling issues observed in commercial indoor enclosures.

101 Helpful vote Comments

G***y

Singapore

Verified Purchase

4 .0

2026-01-07

Local parcel delivery was delayed by one day due to weather. Once it arrived, this CWDM 1G SFP module linked up instantly on our single-mode fiber with zero issues.

32 Helpful vote Comments

J***s

United Kingdom

Verified Purchase

5 .0

2025-12-06

Real-time DDM telemetry lets us monitor optical power, laser bias current, and operating temperature directly from our management dashboard. Great peace of mind for mission-critical uplinks.

87 Helpful vote Comments

F***y

Brazil

Verified Purchase

5 .0

2025-11-14

Allowed our enterprise campus to split bandwidth across specific ITU CWDM grid channels without running extra OS2 cables between distribution frames. Running stable for over two months now.

96 Helpful vote Comments

A***s

Italy

Verified Purchase

5 .0

2025-10-17

We selected this 1.25Gbps 1410nm CWDM module for a dedicated point-to-point link across a leased fiber route. The duplex LC optical interface aligns cleanly with our OS2 single-mode jumpers for a solid physical connection. After extensive soak testing under continuous network load, we observed zero transmission errors and no buffer delays. Real-time DDM tracking integrates smoothly into our remote network monitoring system, making field maintenance simple.

128 Helpful vote Comments

W***n

Japan

Verified Purchase

5 .0

2025-09-30

Leveraging the 1410nm channel on our CWDM grid allowed us to add an extra dedicated 1GbE pipeline between two municipal offices 27km apart. Very clean optical budget margin remaining.

92 Helpful vote Comments

N***a

Bangladesh

Verified Purchase

5 .0

2025-08-25

Solid 1G CWDM SFP optical modules, DDM monitoring works flawlessly on our aggregation switches.

78 Helpful vote Comments

M***n

Republic of Korea

Verified Purchase

5 .0

2025-08-11

Ran a full BER test at 1.25Gbps over 40km of SMF — clean results, well within spec. The PIN receiver is solid. These are now my default for CWDM links.

93 Helpful vote Comments

H***h

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2025-07-09

Added this 1G CWDM module to our existing 8-channel CWDM passive filter system. Tx output sat nicely at -2.5dBm and Rx sensitivity is well within safe thresholds over a 34km single-mode link. Runs cool inside the rack.

95 Helpful vote Comments

K***e

Canada

Verified Purchase

5 .0

2025-06-01

Integrated this 1410nm SFP into our passive CWDM multiplexer/demultiplexer setup. Insertion loss was minimal and wavelength stability remained rock-solid during peak load hours.

100 Helpful vote Comments

L***n

Norway

Verified Purchase

5 .0

2025-05-06

We selected this 1410nm CWDM optical module to bridge traffic between our primary server facility and a remote campus annex through standard OS2 single-mode runs. The module snapped securely into the aggregation switch cage, and the bail latch makes hot-swapping straightforward during structured maintenance windows. Line-rate Ethernet traffic passed through consistently with rock-solid latency during peak usage and heavy nighttime system backups. Internal thermal dissipation remains well-managed inside our standard fan-cooled rack enclosures without causing interface throttling.

159 Helpful vote Comments

I***s

Sweden

Verified Purchase

5 .0

2025-04-19

We needed a dependable 1Gbps transceiver to establish a stable inter-building connection across town. This 40km single-mode module worked straight out of the protective packaging with zero configuration headaches. Even over long single-mode fiber runs with multiple patch panels, the link established quickly and stayed steady. Throughput and latency remained completely stable during continuous enterprise backup routines and heavy office traffic.

130 Helpful vote Comments

C***s

Maldives

Verified Purchase

5 .0

2025-04-04

Linked instantly at 1410nm over 35km, rock-solid stability.

75 Helpful vote Comments

T***s

France

Verified Purchase

5 .0

2025-03-05

Saves a huge chunk of our infrastructure budget compared to original branded optics. Passing full line-rate Gigabit traffic with very stable latency across our metro aggregation point.

96 Helpful vote Comments

B***w

United Arab Emirates

Verified Purchase

5 .0

2025-02-24

Finally filled the 1410nm slot in our CWDM MUX, recognized instantly by the switch.

54 Helpful vote Comments

O***n

Thailand

Verified Purchase

4 .0

2025-02-08

The outer shipping carton looked a bit loose from rough transit handling, but the internal packaging was completely sealed. The transceiver snapped into the port securely.

37 Helpful vote Comments

L***s

Mexico

Verified Purchase

5 .0

2025-01-12

The 1410nm DFB laser holds its wavelength nicely. Tested the 40km link with a light meter and the receive sensitivity is right on spec. Good value for a 1G CWDM SFP.

82 Helpful vote Comments