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

Name: FS DWDM-SFP10G-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: 222536
Price: 257.14 USD
Availability: InStock
Rating: 4.9 (23 reviews)

# 222536

Product: FS DWDM-SFP10G-40-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
SKU: 222536
P/N: LS-DW3710-40I
Price: $ 299
Stock: 599 in Stock
Sold: 700
Product URL: https://www.l-p.com/products/494995.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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FS DWDM-SFP10G-40-I Compatible LINK-PP C37 10G SFP+ Specifications

DWDM-SFP10G-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.

FS Part Number	DWDM-SFP10G-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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T***y

Morocco

Verified Purchase

5 .0

2026-05-15

We manage a high-frequency trading network infrastructure where link latency and packet jitter are critical performance metrics. We replaced several generic 10G SFP+ modules with these specialized LINK-PP 10G DWDM 40km transceivers to integrate with our new passive optical multiplexing layers. Testing via dedicated hardware network analyzers confirmed that the transceiver introduces no additional serialization delay or packet processing overhead. The physical layer signal-to-noise ratio remains exceptionally clean, resulting in an optimal transmission environment over extended physical distances. Furthermore, the DDM functionality integrates natively with our SNMP monitoring tools, providing automated threshold alerts for real-time link telemetry.

108 Helpful vote Comments

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

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

Q***e

Cambodia

Verified Purchase

5 .0

2026-01-29

We use these for our enterprise campus LAN expansion across three separate manufacturing facilities. The 40km optical link budget ensures we don't have to worry about fiber attenuation over our 30km dark fiber lease. Solid engineering.

95 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

B***r

Bangladesh

Verified Purchase

4 .0

2025-09-11

Flawless 10G signaling and zero frame drops during our 24-hour BER stress testing. The delivery tracking info was a bit slow to update on the website during transit, causing some anxiety. Ultimately arrived on time and works perfectly.

20 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

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

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

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

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

M***B

Indonesia

Verified Purchase

5 .0

2024-11-07

you can find products, and get them.

37 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

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***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

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

D***e

Macao

Verified Purchase

5 .0

2023-05-26

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

65 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