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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Juniper SFPP-10G-DW37-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)

Name: Juniper SFPP-10G-DW37-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 222540
Price: 257.14 USD
Availability: InStock
Rating: 4.9 (23 reviews)

# 222540

Product: Juniper SFPP-10G-DW37-I Compatible LINK-PP C37 10G SFP+ DWDM 1547.71nm 40km Duplex LC/UPC DDM SMF Optical Transceiver Module (Industrial)
SKU: 222540
P/N: LS-DW3710-40I
Price: $ 299
Stock: 627 in Stock
Sold: 844
Product URL: https://www.l-p.com/products/488900.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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Juniper SFPP-10G-DW37-I Compatible LINK-PP C37 10G SFP+ Specifications

SFPP-10G-DW37-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.

Juniper Part Number	SFPP-10G-DW37-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

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

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

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

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

S***r

Philippines

Verified Purchase

5 .0

2025-06-07

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

109 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

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***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

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***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

S***i

United States

Verified Purchase

5 .0

2023-08-18

Really happy with the product, works like a charm.

18 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

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