Will integrating this C28 optic into an existing 100GHz grid cause spectral bleed into neighboring channels?

No. Strict ITU-T C28 wavelength locking keeps optical power tightly contained within its allocated channel slot, preserving clean sideband margins.

We are retrofitting older 10G aggregation hardware — will hot-swapping this LS-DW2810-40I DWDM SFP+ interrupt neighboring active ports?

No, the module features true hot-pluggable electrical isolation, letting you insert or swap it live without causing link flaps on adjacent ports.

Will the optical output wavelength drift off C28 (1554.94nm) when cold-starting at sub-zero temperatures?

No, internal laser temperature stabilization maintains tight 100GHz ITU channel accuracy even down to -40°C.

Can we use a standard duplex LC OS2 optical patch cord to jumper this module into our passive DWDM Mux panel?

Yes, it features a standard duplex LC receptacle that pairs directly with standard single-mode optical patch cables.

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FS DW-SFP10G40-28-I Compatible LINK-PP C28 10G SFP+ DWDM 1554.94nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

Name: FS DW-SFP10G40-28-I Compatible LINK-PP C28 10G SFP+ DWDM 1554.94nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 224595
Price: 257.14 USD
Availability: InStock
Rating: 4.9 (33 reviews)

# 224595

Product: FS DW-SFP10G40-28-I Compatible LINK-PP C28 10G SFP+ DWDM 1554.94nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 224595
P/N: LS-DW2810-40I
Price: $ 299
Stock: 420 in Stock
Sold: 466
Product URL: https://www.l-p.com/products/495343.htm

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

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

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Manufacture: LINK-PP

P/N: LS-DW2810-40I

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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FS DW-SFP10G40-28-I Compatible LINK-PP C28 10G SFP+ Specifications

DW-SFP10G40-28-I functions as an industrial-grade 10G SFP+ DWDM transceiver operating at a 1554.94nm (C28) wavelength, incorporating a duplex LC interface, real-time DOM diagnostics, and 40km SMF transmission support over an extended temperature range of -40 to +85°C.

FS Part Number	DW-SFP10G40-28-I	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1554.94nm	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: Will integrating this C28 optic into an existing 100GHz grid cause spectral bleed into neighboring channels? By A***r on 2026-04-03

A: No. Strict ITU-T C28 wavelength locking keeps optical power tightly contained within its allocated channel slot, preserving clean sideband margins. By admin on 2026-04-04
Q: We are retrofitting older 10G aggregation hardware — will hot-swapping this LS-DW2810-40I DWDM SFP+ interrupt neighboring active ports? By D***d on 2026-01-22

A: No, the module features true hot-pluggable electrical isolation, letting you insert or swap it live without causing link flaps on adjacent ports. By admin on 2026-01-23
Q: Will the optical output wavelength drift off C28 (1554.94nm) when cold-starting at sub-zero temperatures? By E***n on 2025-08-14

A: No, internal laser temperature stabilization maintains tight 100GHz ITU channel accuracy even down to -40°C. By admin on 2025-08-15
Q: Can we use a standard duplex LC OS2 optical patch cord to jumper this module into our passive DWDM Mux panel? By C***n on 2025-05-09

A: Yes, it features a standard duplex LC receptacle that pairs directly with standard single-mode optical patch cables. By admin on 2025-05-10

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M***s

United Kingdom

Verified Purchase

5 .0

2026-04-22

Optical telemetry metrics were read instantly by our monitoring board, smooth deployment.

62 Helpful vote Comments

L***m

Sweden

Verified Purchase

5 .0

2026-03-21

Multiplexing multiple 10G links over our existing single-mode fiber trunk saved us from running extra optical cabling. These 10G DWDM optical modules deliver stable performance for long-range enterprise transport networks.

109 Helpful vote Comments

G***n

Germany

Verified Purchase

5 .0

2026-02-03

Fitted our 100GHz DWDM setup without any extra troubleshooting.

54 Helpful vote Comments

L***s

Philippines

Verified Purchase

4 .0

2026-01-05

Good overall order experience. The box was secure, although one small carton had a slightly pressed corner from shipping; the transceiver itself was fully protected and ready for installation.

17 Helpful vote Comments

F***s

Russian Federation

Verified Purchase

4 .0

2025-12-18

Shipping updates were clear, and the order was delivered safely. I just wish the parcel had included a little more cushioning between the individual optic boxes.

25 Helpful vote Comments

H***n

Japan

Verified Purchase

5 .0

2025-11-14

Ran clean at 10G on our 1554.94nm DWDM channel.

47 Helpful vote Comments

E***r

Italy

Verified Purchase

5 .0

2025-09-02

Deploying high-density optical gear inside unheated or non-air-conditioned roadside cabinets presents constant thermal challenges. We fielded a batch of these industrial-grade 10G DWDM modules across several field sites where ambient temperatures fluctuate drastically throughout the day. The optics maintained steady laser output power and tight wavelength stability on C28 (1554.94nm) without experiencing thermal frequency drift. Having reliable DDM diagnostics exposed directly via SNMP helped our network operations center monitor operating metrics remotely during heat waves. Highly recommended for field engineers building ruggedized fiber backhauls.

128 Helpful vote Comments

B***p

Canada

Verified Purchase

5 .0

2025-08-09

We used the LS-DW2810-40I 10G SFP+ DWDM transceiver for a campus fiber connection between two buildings. The 40km SMF rating gave us plenty of headroom for our actual route, and the duplex LC connection made replacement easy for the on-site team.

99 Helpful vote Comments

C***d

Singapore

Verified Purchase

4 .0

2025-07-25

The modules arrived in good condition and each one was sealed in an antistatic bag. The outer carton looked a little rough after international transit, but nothing inside was damaged.

32 Helpful vote Comments

L***n

Spain

Verified Purchase

5 .0

2025-05-19

We recently overhauled a backhaul transport segment running between two regional distribution POPs approximately 35 kilometers apart. Using these industrial-grade 1554.94nm DWDM SFP+ modules over single-mode fiber, we observed clean optical power levels well above the receiver sensitivity threshold. The 100GHz ITU grid alignment integrates perfectly with our passive multiplexer panels, eliminating signal bleed into adjacent channels. Real-time DOM telemetry provides accurate metrics directly to our central NMS dashboard, allowing us to monitor optical RX power in real time. For mission-critical infrastructure operating in demanding conditions, this module is an unbeatable enterprise-grade option.

141 Helpful vote Comments

J***l

United States

Verified Purchase

5 .0

2025-04-01

Super customer experience in terms of Fast delivery. Delivered as promised.

42 Helpful vote Comments

S***r

Malaysia

Verified Purchase

5 .0

2025-03-30

Very helpful Account Manager, helped to choose right items, Fast shipping and delivery.

92 Helpful vote Comments

L***z

Thailand

Verified Purchase

4 .0

2025-03-29

This 10G DWDM SFP+ module connected immediately and registered normal DOM optical levels on channel 28. Express shipping was delayed by customs clearance for two days, but the product itself works exactly as advertised.

28 Helpful vote Comments

C***h

Brazil

Verified Purchase

5 .0

2025-03-15

Good fit for a metro access DWDM deployment. We needed the fixed 1554.94nm wavelength on a 100GHz grid, and this DWDM SFP+ module stayed stable after several weeks of traffic.

93 Helpful vote Comments

L***i

Ireland

Verified Purchase

5 .0

2025-02-08

All received safe and sound thanks very much. We will for sure be back in touch for the next orders.

85 Helpful vote Comments

J***n

Indonesia

Verified Purchase

5 .0

2025-02-01

Everything with Link-pp is excellent!!!! From order simplicity, presales and after sales support, to packaging compatibility and quality!

82 Helpful vote Comments

A***s

Romania

Verified Purchase

5 .0

2025-01-02

You could do a better job of describing, displaying the items.

42 Helpful vote Comments

H***g

Sweden

Verified Purchase

5 .0

2024-12-16

Simple and straight forward ! With duties at border , negate any savings ! The gift ( pen ) does not work though it was considerate

71 Helpful vote Comments

S***n

Italy

Verified Purchase

5 .0

2024-09-07

When we needed assistance for product classification, the staff were there to help us. Thank you.

41 Helpful vote Comments

T***r

United States

Verified Purchase

5 .0

2024-08-23

I found the product I was looking for quickly and was checked out in no time!

56 Helpful vote Comments

R***D

United States

Verified Purchase

5 .0

2024-07-09

l-p.com is the best place. I consistently find what I am looking for at the best price. Shipping is nearly instant. Never dissatisfied. Good customer service; easy shopping experience.

68 Helpful vote Comments

M***R

Nepal

Verified Purchase

5 .0

2024-06-13

Very responsible and Fast 100% reccommended

112 Helpful vote Comments

A***n

United Kingdom

Verified Purchase

5 .0

2024-06-04

Impressive service support, any time I have some product knowledge issues, the rep will get me known soon, and the tech support always on site to help you.

96 Helpful vote Comments

O***s

Maldives

Verified Purchase

5 .0

2024-05-22

Great pricing, Fast shipping, wouldn't hesitate to buy from again.

100 Helpful vote Comments

J***g

United States

Verified Purchase

5 .0

2024-05-17

Product was as advertised.Arrived in a reasonable time

26 Helpful vote Comments

H***e

Poland

Verified Purchase

5 .0

2024-01-29

These are the best Optical Transceiver Modules I’ve used. They are WAY better than the cheap ones that fail all the time.They feel high quality as well! You definitely get what you pay for in this instance. Well worth the money.

123 Helpful vote Comments

J***n

Japan

Verified Purchase

5 .0

2023-11-28

The Sfp Cage I purchased is great, as good of quality as any.

30 Helpful vote Comments

P***B

Sweden

Verified Purchase

5 .0

2023-10-28

Excellent, Fast shipping, well packed, good protection

138 Helpful vote Comments

C***n

United States

Verified Purchase

5 .0

2023-08-20

Our boss is very picky about the quality, while I am looking for the way to save budget. Link-PP makes it possible for me not to make trade-offs between quality and cost. Every time get money's worth out of the products.

52 Helpful vote Comments

W***s

South Africa

Verified Purchase

5 .0

2023-07-17

Good product at a very reasonable price. Keep going better

82 Helpful vote Comments

M***t

Sweden

Verified Purchase

5 .0