We have a 35km single-mode fiber span with Duplex LC patch panels. Is this optical module a direct fit for our patch cables?

Yes, this LS-DW3110-40I 10G SFP+ module features a standard duplex LC receptacle and is designed specifically for single-mode fiber transmissions up to 40km without needing external dispersion compensation.

Does operating this DWDM module at high industrial temperatures increase its power consumption significantly?

The module runs on a standard single +3.3V power supply with optimized power dissipation. Even under full load in extreme heat, its power draw remains within standard SFP+ envelope specs, avoiding extra thermal stress on your host switch.

Can we integrate this 10G SFP module into an existing 100GHz passive DWDM MUX/DEMUX system that has a dedicated C31 port?

Yes. The LS-DW3110-40I DWDM module operates on the standard 100GHz ITU grid at C31 (1552.52nm), allowing direct connection to the C31/1552.52nm channel port of any standard passive DWDM multiplexer.

Our 5G LTE base station cabinets in Arizona reach high ambient heat during summer. Will the laser degrade or drop packets when ambient heat spikes?

Not at all. This module uses an industrial-grade cooled EML laser, specifically engineered to maintain precise wavelength stability and low bit-error rates even at the upper thermal limit of +85°C.

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Juniper SFPP-10G-DW31-I Compatible LINK-PP C31 10G SFP+ DWDM 1552.52nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

Name: Juniper SFPP-10G-DW31-I Compatible LINK-PP C31 10G SFP+ DWDM 1552.52nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 222579
Price: 257.14 USD
Availability: InStock
Rating: 4.9 (33 reviews)

# 222579

Product: Juniper SFPP-10G-DW31-I Compatible LINK-PP C31 10G SFP+ DWDM 1552.52nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 222579
P/N: LS-DW3110-40I
Price: $ 299
Stock: 282 in Stock
Sold: 579
Product URL: https://www.l-p.com/products/488739.htm

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

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Manufacture: LINK-PP

P/N: LS-DW3110-40I

Compatible:: Cisco; LINK-PP; Arista; Brocade; Ciena; Dell; Extreme; FS; Generic; H3C; HW; Juniper; MRV; Netgear

Wavelength:: C17; C18; C19; C20; C21; C22; C23; C24; C25; C26; C27; C28; C29; C30; C31; C32; C33; C34; C35; C36; C37; C38; C39; C40

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Juniper SFPP-10G-DW31-I Compatible LINK-PP C31 10G SFP+ Specifications

SFPP-10G-DW31-I, a 10G SFP+ DWDM optical transceiver operating at 1552.52nm (Channel 31), enables duplex LC single-mode fiber reach up to 40km while integrating real-time Digital Optical Monitoring (DOM) across an extended -40°C to +85°C temperature spectrum.

Juniper Part Number	SFPP-10G-DW31-I	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1552.52nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +2dBm	RX Power	-16 to -1dBm
Receiver Sensitivity	-15.5dBm	DOM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI

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Q: We have a 35km single-mode fiber span with Duplex LC patch panels. Is this optical module a direct fit for our patch cables? By A***d on 2026-02-21

A: Yes, this LS-DW3110-40I 10G SFP+ module features a standard duplex LC receptacle and is designed specifically for single-mode fiber transmissions up to 40km without needing external dispersion compensation. By admin on 2026-02-22
Q: Does operating this DWDM module at high industrial temperatures increase its power consumption significantly? By M***m on 2025-12-14

A: The module runs on a standard single +3.3V power supply with optimized power dissipation. Even under full load in extreme heat, its power draw remains within standard SFP+ envelope specs, avoiding extra thermal stress on your host switch. By admin on 2025-12-15
Q: Can we integrate this 10G SFP module into an existing 100GHz passive DWDM MUX/DEMUX system that has a dedicated C31 port? By C***d on 2025-06-13

A: Yes. The LS-DW3110-40I DWDM module operates on the standard 100GHz ITU grid at C31 (1552.52nm), allowing direct connection to the C31/1552.52nm channel port of any standard passive DWDM multiplexer. By admin on 2025-06-14
Q: Our 5G LTE base station cabinets in Arizona reach high ambient heat during summer. Will the laser degrade or drop packets when ambient heat spikes? By E***s on 2025-03-26

A: Not at all. This module uses an industrial-grade cooled EML laser, specifically engineered to maintain precise wavelength stability and low bit-error rates even at the upper thermal limit of +85°C. By admin on 2025-03-27

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M***n

Cambodia

Verified Purchase

5 .0

2026-05-18

Perfect for our 40km metro link, no errors after 3 months of continuous run.

47 Helpful vote Comments

P***s

United Arab Emirates

Verified Purchase

5 .0

2026-04-11

As an infrastructure engineer managing utility substation networks, component reliability is non-negotiable. We integrated a batch of these LS-DW3110-40I DWDM modules into our 10G backbone across multiple remote sites. The 100GHz C31 grid channel stability is crisp with tight wavelength accuracy, avoiding adjacent channel crosstalk on our passive MUX/DEMUX units. Real-time DDM telemetry integrates seamlessly into our SNMP monitoring system for proactive link health checks.

100 Helpful vote Comments

J***s

Nepal

Verified Purchase

5 .0

2026-02-10

Optical power loss was minimal over our 35km single-mode run, making these a very cost-effective alternative module for passive DWDM system expansions.

82 Helpful vote Comments

R***r

Japan

Verified Purchase

4 .0

2026-01-22

These DWDM optical transceivers pass all DOM checks and 40km link tests without a hitch, but regional carrier transit took two days longer than estimated.

25 Helpful vote Comments

G***a

Maldives

Verified Purchase

5 .0

2025-12-02

Great optical transceivers for long-haul enterprise interconnects. Link margin stayed stable during nighttime temperature dips down to sub-zero in our unheated equipment shed.

93 Helpful vote Comments

J***r

Argentina

Verified Purchase

5 .0

2025-10-01

From a network ops perspective, these LS-DW3110-40I optical transceivers check every box for DWDM deployments. They align perfectly with standard 100GHz grid muxes and maintain stable wavelength performance under load. The built-in digital diagnostics make troubleshooting straightforward, giving us clear visibility into optical health. Industrial build quality is evident – solid housing, reliable latching, and no thermal issues even in unventilated cabinets.

119 Helpful vote Comments

L***r

Macao

Verified Purchase

5 .0

2025-09-26

Needed 100GHz C31 1552.52nm channels for our expanding DWDM MUX setup. Plugged straight into top-of-rack switches across our lab without any vendor lock warnings or port errors.

67 Helpful vote Comments

E***z

Belarus

Verified Purchase

5 .0

2025-08-21

Quick deployment for our outdoor cabinet fiber links — DOM signal readings and optical stability are rock solid.

78 Helpful vote Comments

L***s

United States

Verified Purchase

5 .0

2025-08-14

Used in a smart-city fiber backbone with 40km hops between aggregation nodes. Traffic runs 24/7 with virtually no packet loss, and the DOM data feeds directly into our monitoring dashboards for proactive alerts. After months of operation, we haven't had a single failure. The 100GHz channel spacing fits seamlessly into our existing C-band plan without any crosstalk or interference issues.

133 Helpful vote Comments

R***z

Iran, Islamic Republic of

Verified Purchase

5 .0

2025-05-27

We ran line-rate BER testing and optical power audits across a 38km single-mode duplex LC link using these 10G DWDM optical modules. The real-time DOM telemetry provided accurate optical launch power (+0.5dBm) and receiver sensitivity (-15.8dBm), matching published specifications perfectly. Thermal testing inside our outdoor enclosure verified zero bit errors under sustained ambient temperatures above 70°C. Outstanding choice for industrial-grade DWDM network deployments.

128 Helpful vote Comments

B***s

Germany

Verified Purchase

4 .0

2025-05-09

The 10G DWDM SFP modules operate flawlessly across our campus ring, though customs clearance added a minor delay to international delivery.

39 Helpful vote Comments

D***o

Malaysia

Verified Purchase

5 .0

2025-03-18

Works as described. Happy with the purchase

55 Helpful vote Comments

K***i

Japan

Verified Purchase

5 .0

2025-01-22

The staff is knowledgeable and helpful,they helped me to find what i need exactly

16 Helpful vote Comments

S***i

United States

Verified Purchase

5 .0

2024-12-09

I have been using these devices for many years now and find them to be very reliable. The range is more than sufficient. It's inexpensive and reliable.

29 Helpful vote Comments

K***s

Morocco

Verified Purchase

5 .0

2024-11-02

Was a pleasant and easy to find what I needed. Very satisfied and will be a repeated customer to buy Optical Transceiver Modules here.

31 Helpful vote Comments

R***y

Italy

Verified Purchase

5 .0

2024-10-31

I wish every business operated like they do. Thanks.

27 Helpful vote Comments

P***e

Netherlands

Verified Purchase

4 .0

2024-10-15

Everything was in stock and shipped Fast !! Thank you.

69 Helpful vote Comments

K***n

Bulgaria

Verified Purchase

5 .0

2024-09-06

Order was delivered on time and accurate. I'd would purchase from them again.

27 Helpful vote Comments

E***g

Belarus

Verified Purchase

5 .0

2024-08-10

That cost me much less than the original one and the service I was provided is very great.

29 Helpful vote Comments

D***n

France

Verified Purchase

5 .0

2024-07-07

Was a pleasant and easy to find what I needed. Very satisfied and will be a repeated customer to buy Optical Transceiver Modules here.

25 Helpful vote Comments

W***s

Hungary

Verified Purchase

5 .0

2024-06-13

Great advice and service with support along the way.

12 Helpful vote Comments

S***c

Lithuania

Verified Purchase

5 .0

2024-06-04

Had product I needed, shipped on time, good price.

15 Helpful vote Comments

J***s

United Kingdom

Verified Purchase

5 .0

2024-05-11

Buy the sfp+ Cages from several vendors, Link-pp is the best, highly compatible.

40 Helpful vote Comments

U***n

Singapore

Verified Purchase

5 .0

2024-05-07

The shipping was Fast and the transceiver came with good packaging. All is well. Can't wait to do business with l-p.com again! Highly recommended.

61 Helpful vote Comments

J***u

South Africa

Verified Purchase

5 .0

2024-02-25

This is a great site. It was very easy to place an order.

42 Helpful vote Comments

H***a

Russian Federation

Verified Purchase

5 .0

2023-11-01

I have inquired several vendors about the 10G Optical Transceiver Module, but their product delivery time is too long to satisfy our test project requirements. Finally, I placed the order in Link-pp, and thanks to their Fast shipping, I got the Product quickly.

30 Helpful vote Comments

A***r

Indonesia

Verified Purchase

5 .0

2023-07-06

I was very satisfied with the service, quality, and delivery of the product I ordered. No problems with any of the process.

53 Helpful vote Comments

C***n

United Kingdom

Verified Purchase

5 .0