Can this Duplex LC module pass traffic if one fiber strand is slightly pinched or bent?

No, Duplex LC setups require both paths to be clean; a pinched strand will immediately cause high CRC errors or drop the link.

Can we run this transceiver through multiple optical patch panels across a campus before hitting our 20km limit?

Yes, but keep an eye on your link loss budget. Every patch panel adds light attenuation, so make sure your total link loss doesn't exceed the module's power budget.

Can I patch this 1350nm module directly into a standard 1310nm optical port or Mux?

No, this is a dedicated CWDM 1350nm module. It must match a 1350nm channel port on a passive CWDM Mux/Demux to function correctly.

Is this 10G CWDM transceiver hot-swappable, or do I need to reload the switch line card when inserting it?

It is 100% hot-pluggable. You can slide it in or swap it out anytime without interrupting other active ports on the switch.

Does the module shell have built-in EMI shielding for high-density, high-interference RF server environments?

Yes, the all-metal zinc alloy housing offers superb electromagnetic interference (EMI) protection, which is essential for busy telecom racks.

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FS CWDM-SFP10G-20S Compatible LINK-PP 10G SFP+ CWDM 1350nm 20km Duplex LC DOM SMF Optical Transceiver Module

Name: FS CWDM-SFP10G-20S Compatible LINK-PP 10G SFP+ CWDM 1350nm 20km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 221896
Price: 202.1 USD
Availability: InStock
Rating: 4.9 (9 reviews)

# 221896

Product: FS CWDM-SFP10G-20S Compatible LINK-PP 10G SFP+ CWDM 1350nm 20km Duplex LC DOM SMF Optical Transceiver Module
SKU: 221896
P/N: LS-CW3510-20C
Price: $ 235
Stock: 115 in Stock
Sold: 1K
Product URL: https://www.l-p.com/products/494620.htm

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Manufacture: LINK-PP

P/N: LS-CW3510-20C

Compatible:: Cisco; LINK-PP; Brocade; Ciena; Dell; FS; Generic; H3C; HPE; Juniper

Wavelength:: 1270nm; 1290nm; 1310nm; 1330nm; 1350nm; 1370nm; 1390nm; 1410nm; 1430nm; 1450nm; 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

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FS CWDM-SFP10G-20S Compatible LINK-PP 10G SFP+ Specifications

Designed for advanced single-mode fiber networks, the CWDM-SFP10G-20S operates as a 10G SFP+ CWDM duplex LC transceiver that pairs a precision 1350nm DFB laser with a PIN photodiode to span 20km distances under a single +3.3V power supply, all while featuring real-time Digital Optical Monitoring (DOM) for precise optical parameter tracking.

FS Part Number	CWDM-SFP10G-20S	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1350nm	Max Cable Distance	20km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-5 to +2dBm	RX Power	-16 to -1dBm
Receiver Sensitivity	<-15.5dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652

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LS-CWxx10-20C 1270-1450.pdf

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Q: Can this Duplex LC module pass traffic if one fiber strand is slightly pinched or bent? By H***w on 2026-04-14

A: No, Duplex LC setups require both paths to be clean; a pinched strand will immediately cause high CRC errors or drop the link. By admin on 2026-04-15
Q: Can we run this transceiver through multiple optical patch panels across a campus before hitting our 20km limit? By L***s on 2026-02-27

A: Yes, but keep an eye on your link loss budget. Every patch panel adds light attenuation, so make sure your total link loss doesn't exceed the module's power budget. By admin on 2026-02-28
Q: Can I patch this 1350nm module directly into a standard 1310nm optical port or Mux? By J***d on 2026-01-03

A: No, this is a dedicated CWDM 1350nm module. It must match a 1350nm channel port on a passive CWDM Mux/Demux to function correctly. By admin on 2026-01-04
Q: Is this 10G CWDM transceiver hot-swappable, or do I need to reload the switch line card when inserting it? By K***e on 2025-07-10

A: It is 100% hot-pluggable. You can slide it in or swap it out anytime without interrupting other active ports on the switch. By admin on 2025-07-11
Q: Does the module shell have built-in EMI shielding for high-density, high-interference RF server environments? By I***e on 2025-03-27

A: Yes, the all-metal zinc alloy housing offers superb electromagnetic interference (EMI) protection, which is essential for busy telecom racks. By admin on 2025-03-28

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B***t

Taiwan, Province of China

Verified Purchase

5 .0

2026-04-30

Flawless 10G CWDM links. Swapped out generic optics for these LINK-PP 1350nm modules in our main campus ring, and they clicked right in without an issue.

119 Helpful vote Comments

F***l

United States

Verified Purchase

5 .0

2026-03-06

We migrated our core switches to 10G and needed a specific 1350nm channel for our grid. LINK-PP offered a perfect balance of reliability and affordability. They slide into the cages seamlessly, and the bale clasp mechanisms feel rugged enough for multiple hot-swaps.

125 Helpful vote Comments

B***k

Finland

Verified Purchase

5 .0

2026-02-24

We needed to overlay a new 10Gbps data layer onto our existing urban fiber grid without running new physical cables. By choosing the 1350nm channel on our passive MUX networks, we utilized the LINK-PP LS-CW3510-20C SFP+ module to clear up bottlenecks. The single-mode duplex LC connection is stable, and the internal MCU control unit effectively manages standard digital diagnostic functions according to SFF-8472. Real-time temperature, voltage, and light levels are perfectly linear. For engineers planning regional geographic expansions or municipal fiber rings, these modules offer stable optical performance and a rugged build that easily handles continuous, high-duty-cycle operations.

121 Helpful vote Comments

Z***s

New Zealand

Verified Purchase

5 .0

2026-02-18

Enterprise-grade performance. These Duplex LC 10G SFP+ modules are as stable as OEM units but at a fraction of the cost.

63 Helpful vote Comments

A***r

Lithuania

Verified Purchase

5 .0

2025-08-19

Perfect for our 1350nm Mux. Clean signals across our passive CWDM network infrastructure, zero CRC alignment errors.

58 Helpful vote Comments

G***e

South Africa

Verified Purchase

4 .0

2025-07-14

We ordered a dozen units for a client's outdoor enclosure upgrade. The 1350nm wavelength laser provides exceptional clarity over single-mode fiber. The shipment arrived two days late due to bad weather delays. Glad we ordered with a few days of cushion!

32 Helpful vote Comments

G***s

France

Verified Purchase

5 .0

2025-06-04

Bought these CWDM SFP modules for an enterprise network expansion project. They are packaged in standard industrial blister boxes—nothing fancy, but highly functional. On the technical side, the 20km Duplex LC optics perform beautifully on our single-mode fiber infrastructure runs. Zero CRC errors recorded.

44 Helpful vote Comments

Y***r

Morocco

Verified Purchase

5 .0

2025-05-14

Best budget CWDM optics. 1350nm laser hits exactly 20km over SMF without blowing out the budget.

78 Helpful vote Comments

C***n

Brunei Darussalam

Verified Purchase

5 .0

2025-04-04

We needed to scale out our regional data center interconnects using a 10G SFP+ 1350nm 20km transceiver module setup. LINK-PP delivered these on a tight deadline. The Duplex LC connectors latch tightly, and the modules operate coolly within our aggregate switches. Excellent alternative to overpriced vendor-locked optics!

81 Helpful vote Comments