Do we need multi-mode fiber or single-mode fiber patch cords for our CWDM MUX panel connection?

Single-mode fiber is mandatory for this link. Multi-mode fiber causes severe optical dispersion and attenuation at 1470nm, whereas duplex LC single-mode patch cords ensure optimal signal transmission and full 20km optical reach.

Can we monitor internal transceiver temperature in real time inside densely populated switch faceplates?

Yes. This transceiver features a Digital Diagnostic Monitoring (DDM) function that reports live operating temperature to the host device. You can access these metrics via standard switch CLI diagnostic tools or poll them remotely using SNMP.

Can I drop this 1470nm SFP+ module into our current CWDM filter tray alongside other wavelengths on one fiber pair?

Yes, it’s built for standard CWDM grid integration. Just patch it into your 1470nm MUX/DEMUX port, and it will run clean, multi-channel traffic over the same single-mode line with solid spectral stability.

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H3C CWDM-SFP10G-1470-20 Compatible LINK-PP 10G SFP+ CWDM 1470nm 20km Duplex LC DDM SMF Optical Transceiver Module

Name: H3C CWDM-SFP10G-1470-20 Compatible LINK-PP 10G SFP+ CWDM 1470nm 20km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 222465
Price: 233.06 USD
Availability: InStock
Rating: 4.9 (22 reviews)

# 222465

Product: H3C CWDM-SFP10G-1470-20 Compatible LINK-PP 10G SFP+ CWDM 1470nm 20km Duplex LC DDM SMF Optical Transceiver Module
SKU: 222465
P/N: LS-CW4710-20C
Price: $ 271
Stock: 367 in Stock
Sold: 777
Product URL: https://www.l-p.com/products/483205.htm

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Manufacture: LINK-PP

P/N: LS-CW4710-20C

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

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

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H3C CWDM-SFP10G-1470-20 Compatible LINK-PP 10G SFP+ Specifications

CWDM-SFP10G-1470-20 is engineered as a 10G CWDM SFP+ optical transceiver centered at 1470nm, incorporating a cooled EML laser paired with a PIN photodiode to ensure stable optical output, supporting transmission distances up to 20km over single-mode fiber through a duplex LC interface, while enabling real-time digital diagnostic monitoring for continuous visibility into key operating parameters.

H3C Part Number	CWDM-SFP10G-1470-20	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1470nm	Max Cable Distance	20km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +5dBm	RX Power	-23 to -6dBm
Receiver Sensitivity	<-16dBm	Receiver Overload	0dBm
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652

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LS-CWxx10-20C 1471-1611.pdf

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Q: Do we need multi-mode fiber or single-mode fiber patch cords for our CWDM MUX panel connection? By S***y on 2026-03-25

A: Single-mode fiber is mandatory for this link. Multi-mode fiber causes severe optical dispersion and attenuation at 1470nm, whereas duplex LC single-mode patch cords ensure optimal signal transmission and full 20km optical reach. By admin on 2026-03-26
Q: Can we monitor internal transceiver temperature in real time inside densely populated switch faceplates? By I***h on 2025-08-24

A: Yes. This transceiver features a Digital Diagnostic Monitoring (DDM) function that reports live operating temperature to the host device. You can access these metrics via standard switch CLI diagnostic tools or poll them remotely using SNMP. By admin on 2025-08-25
Q: Can I drop this 1470nm SFP+ module into our current CWDM filter tray alongside other wavelengths on one fiber pair? By N***r on 2025-04-04

A: Yes, it’s built for standard CWDM grid integration. Just patch it into your 1470nm MUX/DEMUX port, and it will run clean, multi-channel traffic over the same single-mode line with solid spectral stability. By admin on 2025-04-05

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B***n

Iran, Islamic Republic of

Verified Purchase

5 .0

2026-05-19

This commercial-grade 10G SFP+ optical module worked well in a temperature-controlled rack at our warehouse campus. The Duplex LC interface fit our existing patching layout, and the 1470nm channel did not interfere with the other CWDM wavelengths.

83 Helpful vote Comments

B***n

France

Verified Purchase

5 .0

2026-04-25

Leased a dark fiber strand between two office facilities 16km apart. This 20km 10G CWDM module closed the link budget effortlessly with plenty of margin to spare. A practical and economical choice for short-to-medium CWDM spans.

92 Helpful vote Comments

C***r

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2026-03-27

Clean optical power levels on our 18km span with zero bit errors.

59 Helpful vote Comments

H***t

Maldives

Verified Purchase

5 .0

2026-02-06

Installed these LS-CW4710-20C CWDM SFP+ modules in a CWDM MUX/DEMUX setup for a regional office network. All transceivers negotiated cleanly at 10G over OS2 single-mode fiber. The optical transmit and receive power stayed consistent after several weeks of normal traffic.

69 Helpful vote Comments

E***n

Japan

Verified Purchase

5 .0

2026-01-31

Added this 10G SFP+ module to our passive CWDM MUX/DEMUX system to multiplex multiple channels onto one SMF line. Channel isolation is clean, and the 1470nm channel locked in without any optical drift. Couldn't ask for a smoother install.

87 Helpful vote Comments

B***r

India

Verified Purchase

5 .0

2025-12-01

As part of a regional communications infrastructure upgrade, we integrated these commercial-grade 10G CWDM optics into backhaul aggregation nodes located inside controlled indoor enclosures. Operating on the standard 1470nm channel, these modules seamlessly multiplexed with other CWDM wavelengths over a single dark fiber strand, eliminating the need for expensive new civil engineering fiber digs. Throughout a two-week stress test involving peak-hour data loads, optical return loss remained excellent and no signal degradation was recorded. Digital Optical Monitoring (DOM) metrics verified that laser bias current and transmitter output power remained completely stable. Highly recommended for network engineers needing standardized, cost-effective CWDM hardware for metropolitan and enterprise aggregation layers.

119 Helpful vote Comments

C***n

Nepal

Verified Purchase

5 .0

2025-10-19

Good choice for a 10G CWDM 1470nm 20km connection when you need to reuse an existing fiber pair. We checked the DDM data before and after installation and found no unexpected optical loss. Easy win for our network refresh.

112 Helpful vote Comments

E***s

United Arab Emirates

Verified Purchase

5 .0

2025-09-14

For a building-to-building CWDM upgrade, this 20km 1470nm SFP+ module was a practical fit. It allowed us to add capacity without pulling another fiber cable. The duplex LC connector format also matched our installed OS2 infrastructure.

96 Helpful vote Comments

D***y

United Kingdom

Verified Purchase

5 .0

2025-08-17

We deployed these LS-CW4710-20C 10G CWDM optical modules during a campus fiber consolidation project. The goal was to carry separate 10GbE services over existing OS2 single-mode fiber without adding new cable paths, so channel accuracy mattered just as much as link stability. Each 1470nm module was installed through a CWDM MUX/DEMUX pair, and all links came up at 10Gbps without CRC errors. We also used the SFF-8472 DOM information to record TX power, RX power, module temperature, and supply readings at handover. That made our acceptance testing faster and gave the operations team a useful baseline for future troubleshooting.

126 Helpful vote Comments

A***e

Mexico

Verified Purchase

4 .0

2025-07-22

Order was held up at the regional customs hub for two days for routine clearance checks, which was a bit frustrating for our rollout schedule. Once the package arrived, the optical modules performed exactly as specified. Recognized instantly by our aggregation switch, zero frame drops on a 12km link, and clean optical diagnostic readings. Excellent hardware value, just keep an eye on international transit timelines. Custom clearance delay was the only downside!

31 Helpful vote Comments

A***l

Republic of Korea

Verified Purchase

4 .0

2025-04-12

No issue with the optics at all — they were clean, sealed, and ready to deploy. The outer carton picked up some scuffs on the international route, which made the delivery look rougher than it was.

23 Helpful vote Comments

B***n

Canada

Verified Purchase

5 .0

2025-03-03

This was used for a remote radio-site backhaul upgrade where the actual route measured just under 19km, including patch panels and splices. The cooled EML transmitter and PIN receiver combination provided enough margin for our measured loss budget, while the 1470nm CWDM wavelength fit the available channel plan. We monitored optical levels through the switch during burn-in and saw stable values over continuous traffic testing. Since this is a 0–70°C commercial module, we placed it in a conditioned indoor communications cabinet rather than an exposed outdoor enclosure. For indoor telecom aggregation, it has been a dependable option.

132 Helpful vote Comments

C***r

Cambodia

Verified Purchase

5 .0

2025-01-29

Great optical budget, clean LC connection, and stable link so far.

57 Helpful vote Comments

C***e

Australia

Verified Purchase

5 .0

2025-01-18

Our data-center operations team ordered these SFP+ optical modules as part of a larger batch for cross-site 10G interconnects. Before rollout, we validated compatibility coding across several host platforms and checked EEPROM data, DOM visibility, and link recovery after repeated hot swaps. The modules passed our standard tests: optical spectrum check, sustained traffic, link flap recovery, and receive-power verification. In production, these 1470nm CWDM SFP+ modules have delivered stable transport across single-mode fiber routes ranging from 14km to nearly 20km.

140 Helpful vote Comments

Z***a

United States

Verified Purchase

5 .0

2024-08-15

First purchase! Good price and Fast shipping. I will test it and give some feedback soon.

49 Helpful vote Comments

E***e

Spain

Verified Purchase

5 .0