Can this 10G SFP module be deployed over single-strand BiDi fiber links using passive MUX setups?

No, this is a duplex LC module requiring separate dedicated transmit (Tx) and receive (Rx) fiber strands to function.

Can I use multi-mode OM3 or OM4 fiber patch cables with this 1410nm CWDM SFP transceiver?

No, this is a CWDM single-mode fiber (SMF) module designed strictly for Duplex LC single-mode cabling; it will not function over multi-mode fiber.

Does the DOM telemetry feature built-in high/low threshold alarms for real-time laser temperature monitoring?

Yes, it adheres fully to SFF-8472, sending automated SNMP traps if the transceiver crosses safe factory thermal thresholds.

If our AC unit fails and the server room hits 45°C, can this transceiver temporarily survive the spike?

Yes, the internal laser can safely handle operating case temperatures up to 70°C before affecting optical performance metrics.

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Cisco CWDM-SFP10G-1410-20 Compatible LINK-PP 10G SFP+ CWDM 1410nm 20km Duplex LC DDM SMF Optical Transceiver Module

Name: Cisco CWDM-SFP10G-1410-20 Compatible LINK-PP 10G SFP+ CWDM 1410nm 20km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 221876
Price: 202.96 USD
Availability: InStock
Rating: 4.7 (11 reviews)

# 221876

Product: Cisco CWDM-SFP10G-1410-20 Compatible LINK-PP 10G SFP+ CWDM 1410nm 20km Duplex LC DDM SMF Optical Transceiver Module
SKU: 221876
P/N: LS-CW4110-20C
Price: $ 236
Stock: 218 in Stock
Sold: 950
Product URL: https://www.l-p.com/products/491976.htm

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Manufacture: LINK-PP

P/N: LS-CW4110-20C

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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Cisco CWDM-SFP10G-1410-20 Compatible LINK-PP 10G SFP+ Specifications

The CWDM-SFP10G-1410-20 optical module encapsulates a high-stability 1410nm CWDM DFB laser transmitter and an integrated PIN photodiode receiver within an SFF-8431 compliant 10G SFP+ duplex LC footprint. It is engineered to sustain high-speed 10Gbps single-mode fiber spans up to 20km with a low bit-error rate, while providing deep operational insight via SFF-8472 compliant real-time Digital Diagnostics Monitoring (DDM). Operating across a commercial 0°C to 70°C temperature range, this hot-pluggable module delivers high-density, low-power optical connectivity.

Cisco Part Number	CWDM-SFP10G-1410-20	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1410nm	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	Receiver Overload	0.5dBm
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 10G SFP module be deployed over single-strand BiDi fiber links using passive MUX setups? By D***s on 2026-03-08

A: No, this is a duplex LC module requiring separate dedicated transmit (Tx) and receive (Rx) fiber strands to function. By admin on 2026-03-09
Q: Can I use multi-mode OM3 or OM4 fiber patch cables with this 1410nm CWDM SFP transceiver? By B***n on 2026-01-16

A: No, this is a CWDM single-mode fiber (SMF) module designed strictly for Duplex LC single-mode cabling; it will not function over multi-mode fiber. By admin on 2026-01-17
Q: Does the DOM telemetry feature built-in high/low threshold alarms for real-time laser temperature monitoring? By C***t on 2025-04-04

A: Yes, it adheres fully to SFF-8472, sending automated SNMP traps if the transceiver crosses safe factory thermal thresholds. By admin on 2025-04-05
Q: If our AC unit fails and the server room hits 45°C, can this transceiver temporarily survive the spike? By A***h on 2025-03-13

A: Yes, the internal laser can safely handle operating case temperatures up to 70°C before affecting optical performance metrics. By admin on 2025-03-14

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T***s

Brazil

Verified Purchase

5 .0

2026-04-27

We purchased a bulk order of these LS-CW4110-20C transceivers for a university campus network backbone upgrade. The goal was to aggregate multiple 10Gbps links from various academic buildings back to the core data center using a single-mode fiber ring. These 1410nm SFP+ optics performed impeccably. Every single module passed our initial QA testing upon arrival. The DOM telemetry reports accurate Tx/Rx power levels, which allowed us to balance our optical budgets perfectly across unequal link distances. No compatibility issues discovered across our hardware. Excellent reliability for heavy academic network traffic.

118 Helpful vote Comments

D***t

United States

Verified Purchase

5 .0

2026-04-19

Running over an 18km single-mode dark fiber spool in our lab, zero CRC errors.

58 Helpful vote Comments

K***n

Ireland

Verified Purchase

5 .0

2026-04-02

Excellent SFP+ form factor compatibility. Inserted into our switches and it recognized it instantly as a standard 10G SFP+ CWDM module. Digital Optical Monitoring parameters are fully visible in the CLI. Very happy.

101 Helpful vote Comments

I***l

Singapore

Verified Purchase

5 .0

2026-03-14

We ordered a bunch of these LS-CW4110-20C modules for our enterprise metro aggregation loop. The 1410nm channel locked in immediately with our passive CWDM chassis. Speed test shows a full 10Gbps throughput without any jitter. Real bargain!

63 Helpful vote Comments

M***d

Republic of Korea

Verified Purchase

5 .0

2026-02-21

Good build quality. The latch mechanism feels premium and secure. Installed on a switch stack for data center interconnect, and the 10Gbps link has been up for 45 days straight without a single flap.

142 Helpful vote Comments

V***y

Netherlands

Verified Purchase

4 .0

2026-02-14

The transceiver works flawlessly at 1410nm over our 12-mile fiber run. Highly stable 10G speed. However, the tracking info didn't update for the first 3 days, which caused some anxiety for our procurement team. Everything arrived safely in the end though. Good product!

16 Helpful vote Comments

F***x

United Arab Emirates

Verified Purchase

5 .0

2026-01-25

Legit commercial-grade optics, hovering around 39°C under full load in the rack.

37 Helpful vote Comments

X***y

Germany

Verified Purchase

4 .0

2026-01-12

Excellent 1410nm 20km transceiver with very accurate DOM diagnostics, but delivery to our warehouse in Munich took 2 days longer than expected due to customs clearance. The module itself is superb and perfectly compatible with our router, just order well in advance.

25 Helpful vote Comments

O***d

South Africa

Verified Purchase

5 .0

2026-01-05

Our IT infrastructure team was skeptical about third-party 10G 1410nm 20km modules, but these proved them wrong. Fully compatible with our witches. No compliance warnings or issues.

119 Helpful vote Comments

J***s

Finland

Verified Purchase

5 .0

2025-08-07

Replaced some overpriced OEM 10G SFP+ CWDM 1410nm optics with these. They are running in our indoor server room at a stable 42°C. Single-mode fiber duplex LC link is rock solid over 12km. Will buy more for next project.

74 Helpful vote Comments

W***n

Romania

Verified Purchase

4 .0

2025-03-25

Great pricing for a 20km CWDM module with real DOM. The optical performance is excellent on our EdgeSwitches. The outer cardboard shipping carton had a small tear upon arrival, but the transceivers inside were sealed tight and completely unharmed. Will buy again, but hope for better shipping care.

21 Helpful vote Comments