Can we mix this 1570nm channel with 1490nm and 1530nm on the same 8-channel CWDM mux without crosstalk issues?

Yes, 1570nm is part of the standard ITU-T G.694.2 CWDM grid and coexists cleanly with 1490/1530nm on typical 8-channel mux/demux systems.

Do I need to reboot our top-of-rack switch when inserting this module into an active port?

No reboot is needed. The module features a hot-pluggable SFP+ footprint for live installation.

Can we plug our existing multi-mode LC patch cables into this 1570nm CWDM transceiver for short links?

No, this CWDM 10km SFP transceiver requires single-mode fiber with duplex LC connectors for correct optical transmission.

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FS CWDM-SFP10G-10M Compatible LINK-PP 10G SFP+ CWDM 1570nm 10km Duplex LC DOM SMF Optical Transceiver Module

Name: FS CWDM-SFP10G-10M Compatible LINK-PP 10G SFP+ CWDM 1570nm 10km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 220355
Price: 87.72 USD
Availability: InStock
Rating: 4.9 (25 reviews)

# 220355

Product: FS CWDM-SFP10G-10M Compatible LINK-PP 10G SFP+ CWDM 1570nm 10km Duplex LC DOM SMF Optical Transceiver Module
SKU: 220355
P/N: LS-CW5710-10C
Price: $ 102
Stock: 742 in Stock
Sold: 613
Product URL: https://www.l-p.com/products/494843.htm

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Manufacture: LINK-PP

P/N: LS-CW5710-10C

Compatible:: Cisco; LINK-PP; Brocade; FS; Generic; Juniper

Wavelength:: 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

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

CWDM-SFP10G-10M optical module delivers 10G SFP+ connectivity at the 1570nm CWDM wavelength, integrating a DFB laser transmitter and PIN photodiode receiver to support duplex LC transmissions up to 10km over single-mode fiber while providing real-time digital optical monitoring for granular insight into operational metrics.

FS Part Number	CWDM-SFP10G-10M	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7 Gbps
Wavelength	1570nm	Max Cable Distance	10km
Connector	Duplex LC	Media	SMF
Receiver Type	DFB	Transmitter Type	PIN
TX Power	-5 to +1dBm	RX Power	-16 to -1dBm
Receiver Sensitivity	<-14.5dBm	Receiver Overload	0.5dBm
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, SFF 8472,SFF 8431,802.3ae, ITU-T G.652

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Q: Can we mix this 1570nm channel with 1490nm and 1530nm on the same 8-channel CWDM mux without crosstalk issues? By T***n on 2026-03-25

A: Yes, 1570nm is part of the standard ITU-T G.694.2 CWDM grid and coexists cleanly with 1490/1530nm on typical 8-channel mux/demux systems. By admin on 2026-03-26
Q: Do I need to reboot our top-of-rack switch when inserting this module into an active port? By V***m on 2025-08-24

A: No reboot is needed. The module features a hot-pluggable SFP+ footprint for live installation. By admin on 2025-08-25
Q: Can we plug our existing multi-mode LC patch cables into this 1570nm CWDM transceiver for short links? By S***t on 2025-04-04

A: No, this CWDM 10km SFP transceiver requires single-mode fiber with duplex LC connectors for correct optical transmission. By admin on 2025-04-05

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R***s

Sweden

Verified Purchase

5 .0

2026-06-11

Upgraded our 10G fiber backbone across three campus nodes using these CWDM optical modules. The duplex LC connectors click in smoothly, and link latency remains virtually non-existent. Highly recommended!

63 Helpful vote Comments

D***z

Spain

Verified Purchase

5 .0

2026-03-18

Replacing aging 10G modules with these LS-CW5710-10C SFP transceivers saved our IT deployment budget significantly. Perfect optical signal stability on our 10km OS2 single-mode span.

101 Helpful vote Comments

J***r

Malaysia

Verified Purchase

5 .0

2026-03-04

Deployed these 1570nm SFP modules across passive CWDM MUX/DEMUX units bridging two server rooms separated by a 7.5km fiber run. The duplex LC optical interface provides positive tactile engagement, while the optical launch power comfortably offsets MUX insertion loss without extra amplification. Built-in DDM polling delivered precise live metrics for both TX output and RX incoming light sensitivity across all deployed links. Operating well within its 0°C to 70°C commercial thermal envelope, the transceiver maintained exceptional signal integrity under heavy bandwidth loads. This module is an exceptionally reliable choice for high-density enterprise campus backbones.

120 Helpful vote Comments

J***z

Thailand

Verified Purchase

5 .0

2026-02-13

We deployed these 10G SFP modules across two campus buildings for 10G backhaul. The 1570nm wavelength paired nicely with our existing CWDM mux, and the 10km reach covered our 8.5km fiber run with plenty of margin. No errors, no drops, just solid performance.✨

99 Helpful vote Comments

G***t

New Zealand

Verified Purchase

4 .0

2026-01-20

Performance is excellent — no complaints on the optical specs or compatibility. My only issue was the delivery took 2 extra days beyond the estimated window, which delayed our deployment schedule. The module itself is 5-star, but the logistics experience knocked it down to 4. Would still recommend for the product quality.

20 Helpful vote Comments

K***l

Italy

Verified Purchase

5 .0

2025-12-01

Needed to add 1570nm channels to our CWDM grid. These modules configured immediately with accurate digital optical monitoring reporting real-time optical power and voltage metrics.

81 Helpful vote Comments

J***l

Australia

Verified Purchase

5 .0

2025-11-02

The duplex LC connector seated cleanly in our existing patch panels, and the SMF compatibility matched our plant perfectly.

84 Helpful vote Comments

F***s

Russian Federation

Verified Purchase

5 .0

2025-10-11

Our network team needed an affordable 10G CWDM option for inter-building connectivity. These 1570nm SFP modules slot right into our 8-channel mux without interfering with our existing 1550nm channels. Two months of continuous operation with zero optical alarms or link instability.

93 Helpful vote Comments

R***s

France

Verified Purchase

5 .0

2025-09-14

10km link budget delivered clean attenuation numbers across our OS2 trunk.

54 Helpful vote Comments

L***d

Mexico

Verified Purchase

5 .0

2025-08-17

We love the real-time power and temperature telemetry — it makes troubleshooting our metro links way easier than before.

78 Helpful vote Comments

P***l

Norway

Verified Purchase

5 .0

2025-07-22

The built-in digital optical monitoring makes fiber troubleshooting so much easier. We can instantly verify light levels from our remote network monitoring dashboard.

126 Helpful vote Comments

D***s

South Africa

Verified Purchase

5 .0

2025-06-21

We selected this 1570nm CWDM SFP+ module to expand capacity on an existing single-mode fiber ring without laying new cable infrastructure. Eye diagram and bit error rate testing showed clean signal margins and zero framing errors across a 9km link distance. The integrated SFF-8472 Digital Diagnostic Monitoring feature seamlessly fed optical telemetry to our centralized NMS dashboards. Standard duplex LC patch cables clicked into place securely, and thermal dissipation remained minimal during peak traffic hours.

96 Helpful vote Comments

B***s

Singapore

Verified Purchase

5 .0

2025-05-06

These modules fit our need for a cost-effective 10G CWDM solution. The duplex LC connector and SMF media type match our existing patch panels. We’ve seen consistent TX power between -5 and +1 dBm across all units, as advertised. No surprises, just good engineering.

117 Helpful vote Comments

R***n

India

Verified Purchase

5 .0

2025-04-11

Fired up this 1570nm CWDM module in our aggregation switch and it synced instantly — DOM readings are spot-on and the link has been rock solid for weeks.

90 Helpful vote Comments

T***n

Republic of Korea

Verified Purchase

5 .0

2025-03-03

We added these 1570nm CWDM SFP+ transceivers to our passive MUX/DEMUX system for a 6km inter-building connection. Optical power levels stayed rock-solid with precise DDM diagnostics.

86 Helpful vote Comments

H***g

Ukraine

Verified Purchase

5 .0

2024-12-30

Nice products, great price and Fast shipping! very satisfied

49 Helpful vote Comments

S***i

Lithuania

Verified Purchase

5 .0

2024-11-19

Their prices are very reasonable and service is great I will highly recommend them

16 Helpful vote Comments

H***n

Bulgaria

Verified Purchase

5 .0

2024-11-07

Happily just worked on my device, but delivery is a little slow.

89 Helpful vote Comments

C***o

Denmark

Verified Purchase

5 .0

2024-08-29

It is always a pleasure doing business with Link-pp. I buy lots of their products most every month and the always come in well packed, good condition, and delivery is excellent. I have never had a negative purchase or delivery.

82 Helpful vote Comments

G***e

Australia

Verified Purchase

5 .0

2024-08-05

Customer service representative Jessica provided me excellent service.

83 Helpful vote Comments

E***d

United States

Verified Purchase

5 .0