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

Name: Arista SFP-10G-DW-47.72-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 222530
Price: 257.14 USD
Availability: InStock
Rating: 5 (27 reviews)

# 222530

Product: Arista SFP-10G-DW-47.72-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
SKU: 222530
P/N: LS-DW3710-40I
Price: $ 299
Stock: 561 in Stock
Sold: 706
Product URL: https://www.l-p.com/products/488927.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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Arista SFP-10G-DW-47.72-I Compatible LINK-PP C37 10G SFP+ Specifications

SFP-10G-DW-47.72-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.

Arista Part Number	SFP-10G-DW-47.72-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

A***w

Verified Purchase

4 .0

2026-01-02

Excellent industrial 10G SFP+ 40km transceiver, though delivery to our remote facility took a couple of days longer than expected. Once installed, the 1547.71nm link came up instantly with perfect DDM telemetry. Just plan ahead for shipping times.

39 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

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

M***t

Bulgaria

Verified Purchase

5 .0

2025-08-01

Excellent value for high-density metropolitan area networks (MAN). Ordered a batch of 30 units for our ISP hub. The duplex LC interface provides a very secure physical click. Attenuation safety margins are maintained perfectly at 10G signaling rates.

74 Helpful vote Comments

L***y

Verified Purchase

5 .0

2025-07-24

Needed an industrial-grade transceiver for our outdoor roadside enclosures. The LS-DW3710-40I handles summer heat spikes without drifting off its 1547.71nm grid wavelength. Real DDM tracking helps our NOC monitor laser bias current remotely. Let's see how winter goes!

144 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

I***t

Turkey

Verified Purchase

5 .0

2025-06-05

Clean Duplex LC connection, latched instantly into the spine switch. Standard SMF fiber.

106 Helpful vote Comments

O***h

Israel

Verified Purchase

5 .0

2025-05-13

Using these for 10G backhaul linkages in a distributed base station deployment. The industrial temperature rating (-40°C to 85°C) is exactly what we needed for the unconditioned outdoor cabinets. Absolute lifesaver for field telecom setups!

69 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

R***n

Lithuania

Verified Purchase

5 .0

2025-03-17

Excellent physical layer stability. The Tx power sits comfortably within the specified technical window, and the Rx power has enough headroom to avoid receiver sensitivity clipping. Essential for high-reliability business-critical links.

131 Helpful vote Comments

H***n

Israel

Verified Purchase

5 .0

2024-12-09

The quality description is accurate.

38 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

S***n

United States

Verified Purchase

5 .0

2024-09-13

Everything came as expected and on time.

75 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

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

B***e

Singapore

Verified Purchase

5 .0

2023-09-25

Slow service, but good quality product.

59 Helpful vote Comments

S***i

United States

Verified Purchase

5 .0

2023-08-18

Really happy with the product, works like a charm.

18 Helpful vote Comments

L***s

Finland

Verified Purchase

5 .0

2023-05-28

large stock, easy pay, many delivery options

33 Helpful vote Comments

D***e

Macao

Verified Purchase

5 .0

2023-05-26

Very nice. All is as expected. No problems at all

65 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

S***a

United States

Verified Purchase

5 .0

2023-04-04

we need various kinds of 10/25/40G Transceiver Modules, Link-pp is really a reliable partner which directly sent all of it to us timely from their US warehouse.

12 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

M***n

Poland

Verified Purchase

5 .0

2023-02-24

Crazy Fast shipping, excellent packaging, insanely prompt customer service. An exemplary company worthy of any of my future business.

86 Helpful vote Comments