What is the optimal fiber core diameter recommended for achieving the full 40km reach?

It is optimized for standard G.652 single-mode fiber with a nominal core/cladding diameter of 9/125 micrometers.

How does the DOM telemetry track laser degradation inside a sealed outdoor cabinet reaching 80°C?

The internal micro-controller continually monitors laser bias current variations via standard I²C, allowing your NOC to proactively forecast diode aging caused by extreme ambient heat.

Will microscopic dust particles on the LC/UPC barrel significantly impact the 1547.71nm signal integrity?

Yes, DWDM wavelengths are highly sensitive to contamination, so we always recommend scoping and cleaning the fiber ends right before insertion.

Is this 1547.71nm module compatible with a standard 50GHz grid multiplexer, or is it strictly 100GHz?

This 10G DWDM module is optimized for the 100GHz ITU-T grid. It may be usable in some 50 GHz systems only if the channel center frequency and filter passband are fully compatible with the module’s optical specifications.

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H3C DWDM-SFP10G-47.72-40-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)

Name: H3C DWDM-SFP10G-47.72-40-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 222538
Price: 257.14 USD
Availability: InStock
Rating: 5 (26 reviews)

# 222538

Product: H3C DWDM-SFP10G-47.72-40-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
SKU: 222538
P/N: LS-DW3710-40I
Price: $ 299
Stock: 650 in Stock
Sold: 657
Product URL: https://www.l-p.com/products/488993.htm

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Manufacture: LINK-PP

P/N: LS-DW3710-40I

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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H3C DWDM-SFP10G-47.72-40-I Compatible LINK-PP C37 10G SFP+ Specifications

DWDM-SFP10G-47.72-40-I serves as a 10G SFP+ DWDM optical transceiver, delivering precision light transmission at a 1547.71nm (Channel C37) wavelength. Engineered for long-reach applications, it transmits reliable 10Gbps data streams over up to 40km of single-mode fiber via duplex LC connectivity. Featuring an integrated cooled EML laser and PIN photodiode, it comes complete with real-time Digital Diagnostic Monitoring (DDM) telemetry for proactive network health and signal performance monitoring.

H3C Part Number	DWDM-SFP10G-47.72-40-I	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1547.71nm	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	DDM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI

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Q: What is the optimal fiber core diameter recommended for achieving the full 40km reach? By F***n on 2026-02-13

A: It is optimized for standard G.652 single-mode fiber with a nominal core/cladding diameter of 9/125 micrometers. By admin on 2026-02-14
Q: How does the DOM telemetry track laser degradation inside a sealed outdoor cabinet reaching 80°C? By N***t on 2025-12-29

A: The internal micro-controller continually monitors laser bias current variations via standard I²C, allowing your NOC to proactively forecast diode aging caused by extreme ambient heat. By admin on 2025-12-30
Q: Will microscopic dust particles on the LC/UPC barrel significantly impact the 1547.71nm signal integrity? By D***s on 2025-08-02

A: Yes, DWDM wavelengths are highly sensitive to contamination, so we always recommend scoping and cleaning the fiber ends right before insertion. By Lily6 on 2025-08-03
Q: Is this 1547.71nm module compatible with a standard 50GHz grid multiplexer, or is it strictly 100GHz? By O***h on 2025-05-24

A: This 10G DWDM module is optimized for the 100GHz ITU-T grid. It may be usable in some 50 GHz systems only if the channel center frequency and filter passband are fully compatible with the module’s optical specifications. By Lily6 on 2025-05-25

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K***l

Indonesia

Verified Purchase

5 .0

2026-04-14

No compatibility issues on our switches. Great 10G network expansion asset. ⭐

87 Helpful vote Comments

H***s

Verified Purchase

5 .0

2026-03-01

Flawless 1547.71nm wavelength stability under heavy industrial load.

30 Helpful vote Comments

N***l

Hungary

Verified Purchase

5 .0

2026-02-11

We are deploying these in our data center for high-capacity SAN storage arrays. Remember this is strictly single-mode fiber (SMF) for the 40km reach! DDM readings show excellent RX sensitivity metrics.

122 Helpful vote Comments

S***n

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2025-12-28

A cost-effective way to deploy 10G links without replacing legacy fiber plants. This single-mode optical transceiver handles high-speed traffic flawlessly, keeping latency at sub-millisecond levels across the entire 25km test span.

56 Helpful vote Comments

J***n

South Africa

Verified Purchase

5 .0

2025-11-26

Awesome DDM reporting! Received optical power is well within safety margins.

28 Helpful vote Comments

P***l

Belarus

Verified Purchase

5 .0

2025-10-05

Very reliable Duplex LC/UPC interface. The optical alignment is precise, resulting in minimal insertion loss at the patch panel. Ideal for mid-range transport networks where optical amplifiers are not yet required. Top tier component!

51 Helpful vote Comments

G***p

Ukraine

Verified Purchase

5 .0

2025-09-24

Solid 10G DWDM transceiver for long-haul links. Zero packet loss so far.

41 Helpful vote Comments

U***y

Verified Purchase

5 .0

2025-07-19

Deploying industrial network hardware in remote mining installations presents severe environmental and technical challenges. Dust, extreme vibration, and massive temperature shifts easily destroy standard commercial transceivers. We standardly implement the LINK-PP LS-DW3710-40I because its industrial temperature design (-40 to +85°C) guarantees continuous operation under these brutal conditions. This 10G SFP+ DWDM 40km transceiver has been running in our primary rail-yard switch cabinet for 3 months without a single glitch. The duplex LC connection remains secure against physical movement, and the 1547.71nm laser frequency stays perfectly stable despite external temperature swings. Having reliable DDM diagnostics accessible via our central monitoring system allows us to perform predictive maintenance without deploying field techs to dangerous locations.

122 Helpful vote Comments

S***r

Philippines

Verified Purchase

5 .0

2025-06-07

I have always had good experiences with LINK-PP team.

109 Helpful vote Comments

O***z

Israel

Verified Purchase

5 .0

2025-06-06

First purchase! Good price and Fast shipping. I will test it and give some feedback soon.

37 Helpful vote Comments

R***n

Denmark

Verified Purchase

5 .0

2025-05-12

I get the product very Fast and it connects well.

131 Helpful vote Comments

V***n

Maldives

Verified Purchase

5 .0

2025-04-03

Our field engineering team deployed these industrial-grade 10G DWDM 40km transceivers across several cell tower base station backhaul links. Operating in unconditioned outdoor enclosures, these modules face severe ambient temperature fluctuations from day to night. Unlike commercial-grade optics that experience laser degradation or wavelength shifts under thermal stress, the LS-DW3710-40I maintained a consistent Bit Error Rate (BER) matching the 10⁻¹² industry standard threshold. Real-time DDM telemetry allowed us to verify that internal laser bias currents and operating voltages remained fully stable. The rugged duplex LC/UPC connector assembly offers robust physical layer mating, preventing structural micro-gaps that degrade signal integrity over time. Outstanding product for harsh infrastructure environments.

94 Helpful vote Comments

P***n

Finland

Verified Purchase

5 .0

2025-03-26

I had some questions about an order I placed on the weekend and received prompt, professional, and courteous service.

58 Helpful vote Comments

M***B

Indonesia

Verified Purchase

5 .0

2024-11-07

you can find products, and get them.

37 Helpful vote Comments

M***h

Indonesia

Verified Purchase

5 .0

2024-10-15

They seem to have a wide compatible options, this one is highly compatible with my Juniper switch. Will try their Tyco next time.

26 Helpful vote Comments

D***v

Hungary

Verified Purchase

5 .0

2024-09-25

It worked the way it was supposed to

60 Helpful vote Comments

R***k

Indonesia

Verified Purchase

5 .0

2024-08-26

The parcels were intact and arrived on time, by the way. Totally beyond my imaginations. We would continue to place orders here.

42 Helpful vote Comments

E***z

Belarus

Verified Purchase

5 .0

2024-06-12

It was great. I'm very happy with my purchase.

88 Helpful vote Comments

D***e

Maldives

Verified Purchase

5 .0

2024-03-19

Link-pp is our preferred supplier for all our Fiber Optics and related items. The sales team, Miss Yoeng is such a lovely to work with especially during urgent times, she would go extra mile to ensure to meet our critical deadline. The product has been working as advertised and their pricing is one of the best.

29 Helpful vote Comments

M***t

Denmark

Verified Purchase

5 .0

2024-02-02

This is my second purchase from Link-pp and I am well pleased in all aspects of the transactions.

161 Helpful vote Comments

M***B

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2023-12-04

Right product that is compatible with my switches; Fast delivery.

89 Helpful vote Comments

J***s

Hungary

Verified Purchase

5 .0

2023-08-14

I'm very happy with my transaction and purchase. The Optical Transceiver Module works with no issue. I would definitely recommend this company for customer service and speed. I will be purchasing from them again in the future.

57 Helpful vote Comments

R***s

Romania

Verified Purchase

5 .0

2023-06-23

Website extremely easy to navigate and use.

57 Helpful vote Comments

L***s

Finland

Verified Purchase

5 .0

2023-05-28

large stock, easy pay, many delivery options

33 Helpful vote Comments

J***n

Spain

Verified Purchase

5 .0

2023-04-22

Works great. Easy to install. Will buy more when we run more projects.

48 Helpful vote Comments

C***h

Maldives

Verified Purchase

5 .0

2023-03-23

The price for 10/25/40G Transceiver Modules is very competitive, in fact better than I've seen elsewhere and the purchase process was flawless. I'd only purchase through l-p.com in the future.

71 Helpful vote Comments