Does this specific 1450nm wavelength suffer from high attenuation when passing through old, dirty fiber patch panels?

The 1450nm wavelength is highly resilient, but dirty bulkheads cause insertion loss; we always advise cleaning the duplex LC tips with a click-cleaner before mating.

Can we run this 1450nm wavelength over a single strand of fiber using a BiDi setup instead?

No, this is a duplex LC module that requires a dedicated pair of fibers — one strand for transmitting (TX) and one strand for receiving (RX).

What happens to the link if there is a severe mismatch on the CWDM Mux channel wavelength?

The link will not establish because the passive Mux will filter out the 1450nm signal if it is connected to a different channel port; ensure both ends match the 1450nm grid.

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Ciena CWDM-SFP10G-1450 Compatible LINK-PP 10G SFP+ CWDM 1450nm 20km Duplex LC DDM SMF Optical Transceiver Module

Name: Ciena CWDM-SFP10G-1450 Compatible LINK-PP 10G SFP+ CWDM 1450nm 20km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 221998
Price: 204.68 USD
Availability: InStock
Rating: 4.9 (14 reviews)

# 221998

Product: Ciena CWDM-SFP10G-1450 Compatible LINK-PP 10G SFP+ CWDM 1450nm 20km Duplex LC DDM SMF Optical Transceiver Module
SKU: 221998
P/N: LS-CW4510-20C
Price: $ 238
Stock: 255 in Stock
Sold: 506
Product URL: https://www.l-p.com/products/492036.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

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Manufacture: LINK-PP

P/N: LS-CW4510-20C

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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Ciena CWDM-SFP10G-1450 Compatible LINK-PP 10G SFP+ Specifications

CWDM-SFP10G-1450 functions as a commercial-grade 10G SFP+ CWDM optical transceiver module that couples a DFB laser and PIN photodiode to span 20km at 1450nm, complete with real-time Digital Diagnostic Monitoring across a 0°C to 70°C temperature envelope.

Ciena Part Number	CWDM-SFP10G-1450	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1450nm	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: Does this specific 1450nm wavelength suffer from high attenuation when passing through old, dirty fiber patch panels? By H***e on 2026-02-02

A: The 1450nm wavelength is highly resilient, but dirty bulkheads cause insertion loss; we always advise cleaning the duplex LC tips with a click-cleaner before mating. By admin on 2026-02-03
Q: Can we run this 1450nm wavelength over a single strand of fiber using a BiDi setup instead? By C***y on 2025-10-17

A: No, this is a duplex LC module that requires a dedicated pair of fibers — one strand for transmitting (TX) and one strand for receiving (RX). By admin on 2025-10-18
Q: What happens to the link if there is a severe mismatch on the CWDM Mux channel wavelength? By P***h on 2025-06-06

A: The link will not establish because the passive Mux will filter out the 1450nm signal if it is connected to a different channel port; ensure both ends match the 1450nm grid. By admin on 2025-06-07

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E***m

Canada

Verified Purchase

5 .0

2026-04-12

Rock solid 20km SFP optical transceivers. We deployed these for a metro-ethernet backhaul test run. The duplex LC connector clicks in firmly, and the physical latching mechanism feels durable. Haven't seen a single CRC error since boot-up.

62 Helpful vote Comments

H***y

Russian Federation

Verified Purchase

5 .0

2026-03-07

Excellent SFP+ MSA Compliance and Optical Stability. Many third-party optical modules skimp on true Multi-Source Agreement (MSA) compliance, leading to intermittent link drops or bad EEPROM reads. These LINK-PP 10G SFP modules are fully compliant, and the programming is flawless. Our routers read the part number, serial number, and wavelength (1450nm) immediately. We are using them for a 10G corporate link over single-mode fiber stretching just under 18km. The receiver sensitivity is superb, easily pulling in the signal with plenty of optical budget margin to spare. Highly impressed with the build quality!

116 Helpful vote Comments

E***t

United States

Verified Purchase

5 .0

2026-02-08

Great value for 10G duplex LC. Doing exactly what it's supposed to do on our core ring.

12 Helpful vote Comments

C***s

Brazil

Verified Purchase

5 .0

2026-01-21

Reliable 1450nm Signal. We needed this specific CWDM grid channel to match our existing fiber infrastructure multiplexer. It integrated seamlessly, and the insertion loss was well within the expected technical specifications.

56 Helpful vote Comments

W***y

France

Verified Purchase

5 .0

2025-12-30

Great for Campus Fiber Expansion. Bought a batch of these LS-CW4510-20C CWDM transceiver modules to expand our inter-building fiber trunk line. The 1450nm wavelength is running clean alongside our existing CWDM Mux/Demux setup. No framing errors reported.

51 Helpful vote Comments

J***h

Canada

Verified Purchase

5 .0

2025-11-14

Zero issues. 10G SFP+ CWDM 20km modules arrived fast and passed all loopback tests perfectly. (￣▽￣)b

26 Helpful vote Comments

A***y

India

Verified Purchase

5 .0

2025-10-09

Excellent packaging and build quality. Each transceiver came anti-static bagged with dust caps on the LC ports. The laser transmission is stable and the heat dissipation looks quite efficient during full load testing. ⚡

23 Helpful vote Comments

A***e

Republic of Korea

Verified Purchase

5 .0

2025-08-15

No-brainer for IT Procurement. When you are buying hundreds of transceivers for data center deployments, price and reliability are everything. These 10G SFP+ 20km modules hit the sweet spot for our budget.

45 Helpful vote Comments

A***w

Germany

Verified Purchase

5 .0

2025-07-05

Top-notch transceivers. Fast shipping and the DDM telemetry works beautifully with our monitoring stack.

48 Helpful vote Comments

E***l

Sweden

Verified Purchase

5 .0

2025-06-11

Excellent Solution for High-Density Telecom Backhaul. We needed to roll out a 10Gbps cell site backhaul upgrade across several regional hubs using our existing single-mode fiber infrastructure. Since we use a passive CWDM architecture to save on fiber leases, the 1450nm grid channel was a critical requirement. These transceivers delivered rock-solid stability even when housed in indoor cabinets experiencing typical airflow constraints. No CRC anomalies, no interface flapping, and the bit error rate (BER) remained effectively at zero over a continuous 48-hour soak test. Excellent engineering work on the physical layer design!

147 Helpful vote Comments

A***e

Finland

Verified Purchase

4 .0

2025-04-15

Delayed delivery but solid 20km link. The transit took an extra 4 days to reach our data center site, which slightly delayed our maintenance window. On the bright side, the 1450nm modules work flawlessly over our single-mode fiber trunk line, and the switches recognized them instantly.

18 Helpful vote Comments

D***g

Mexico

Verified Purchase

5 .0

2025-04-03

Fantastic Support and Specs. Double-checked the TX power ranges with their engineering team before buying. The units arrived matching the exact spec sheet. DDM features are fully responsive on our switches.

83 Helpful vote Comments

S***t

Japan

Verified Purchase

5 .0

2025-01-18

Excellent DDM Telemetry. I’m pretty picky about Digital Diagnostics Monitoring because our server rooms can get warm. These 10G 1450nm SFP transceivers provide highly accurate TX/RX power levels directly to our SNMP monitor. Very satisfied!

34 Helpful vote Comments

J***y

France

Verified Purchase

4 .0

2025-01-05

Good module, customs clearance took time. The product is fantastic, and our devices picked up the 10Gbps link over SMF instantly. However, European customs held the package for a few days demanding extra paperwork, which was a bit annoying.

21 Helpful vote Comments