Can I just plug this 1530nm SFP+ module into our existing CWDM MUX tray without worrying about channel bleed?

Absolutely. As long as your MUX panel has a matching 1530nm channel assigned, it will pass through cleanly with zero optical interference across adjacent wavelengths.

Does this LS-CW5310-40C 10G CWDM module support hot-swappable replacement while our core aggregation switch remains powered on and serving live traffic?

Yes, it features a hot-pluggable SFP+ footprint allowing safe insertion or removal without interrupting adjacent port traffic.

Our rack density is high and ambient temps hit around 45°C. Will the cooled EML laser in this module stay stable?

Yes, the integrated cooled EML laser maintains precise 1530nm wavelength stability even under high internal case temperatures up to the 70°C operating limit.

Breadcrumb: Home; Products; Optics Transceivers | SFP Modules; 10/25/40G/100G Transceiver Modules; 10G CWDM/DWDM SFP+; 221945

Click to open expanded view

Cisco CWDM-SFP10G-1530 Compatible LINK-PP 10G SFP+ CWDM 1530nm 40km Duplex LC DDM SMF optical Transceiver Module

Name: Cisco CWDM-SFP10G-1530 Compatible LINK-PP 10G SFP+ CWDM 1530nm 40km Duplex LC DDM SMF optical Transceiver Module
Brand: LINK-PP
SKU: 221945
Price: 220.16 USD
Availability: InStock
Rating: 4.8 (24 reviews)

# 221945

Product: Cisco CWDM-SFP10G-1530 Compatible LINK-PP 10G SFP+ CWDM 1530nm 40km Duplex LC DDM SMF optical Transceiver Module
SKU: 221945
P/N: LS-CW5310-40C
Price: $ 256
Stock: 627 in Stock
Sold: 496
Product URL: https://www.l-p.com/products/483670.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

New Users: $10 Coupon for Orders , Code: linkpp2610

24 Reviews

3 Questions

Request Stock

496 Sold

$ 256

Free shipping over $600, If you need a more favorable price, please contact us directly.

Qty (pcs) :

Unit Price :

$ 256

100

$ 243.2

1000

$ 235.52

3000

$ 227.84

6000

$ 220.16

Manufacture: LINK-PP

P/N: LS-CW5310-40C

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; 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

Shipping:

To Be Negotiated

Free Shipping

Can't deliver

to United States via {{now_chooseship?now_chooseship.name:''}}

Estimated delivery time : {{now_chooseship?now_chooseship.datemin:''}}-{{now_chooseship?now_chooseship.datemax:''}} days. See details

5-Year Warranty 30-Day Returns 30-Day Exchange

Stock:

{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}} .

Quantity:

( Min. Order {{detail_data.prodInfo.minimum_ordered_quantity}} )

undeliverable

Total Price:

{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

Add to wish

Specifications

Specification
Videos
Matching Products
Download
Q&A
Customer Reviews

Cisco CWDM-SFP10G-1530 Compatible LINK-PP 10G SFP+ Specifications

CWDM-SFP10G-1530 is specified as a 10G SFP+ CWDM module centered at 1530nm, equipped with a cooled EML laser and PIN photodiode, capable of reaching 40km over single-mode fiber through a duplex LC interface, and providing real-time digital diagnostics to track module operating conditions.

Cisco Part Number	CWDM-SFP10G-1530	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1530nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +5dBm	RX Power	-23 to -6dBm
Receiver Sensitivity	-16dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, SFF 8472, SFF 8431, 802.3ae, ITU-T

Videos

Matching Products

Pictures

ID#

Description

Price

Stock

Add to Cart

Download

Product Drawing

PDF
LS-CWxx10-40C 1271-1611.pdf

Questions & Answers
Ask a Question

No data

Q: Can I just plug this 1530nm SFP+ module into our existing CWDM MUX tray without worrying about channel bleed? By T***n on 2026-02-13

A: Absolutely. As long as your MUX panel has a matching 1530nm channel assigned, it will pass through cleanly with zero optical interference across adjacent wavelengths. By admin on 2026-02-14
Q: Does this LS-CW5310-40C 10G CWDM module support hot-swappable replacement while our core aggregation switch remains powered on and serving live traffic? By S***s on 2025-11-23

A: Yes, it features a hot-pluggable SFP+ footprint allowing safe insertion or removal without interrupting adjacent port traffic. By admin on 2025-11-24
Q: Our rack density is high and ambient temps hit around 45°C. Will the cooled EML laser in this module stay stable? By R***e on 2025-04-19

A: Yes, the integrated cooled EML laser maintains precise 1530nm wavelength stability even under high internal case temperatures up to the 70°C operating limit. By admin on 2025-04-20

Customer Reviews
Write a Review

{{stardata.star}}

{{comment.count}} reviews
5 Stars

{{comment.star5}}%

4 Stars

{{comment.star4}}%

3 Stars

{{comment.star3}}%

2 Stars

{{comment.star2}}%

1 Star

{{comment.star1}}%

All Reviews ({{comment.star_num?comment.star_num:comment.count}})

All Reviews

5 stars only

4 stars only

3 stars only

2 stars only

1 star only
Reviews with Pictures ( {{comment.pic_comment}} )
See All Reviews

No data

M***m

Thailand

Verified Purchase

5 .0

2026-05-22

We evaluated this 10G 1530nm CWDM module as part of a multi-site storage replication project. The tested route was approximately 34km, with optical loss affected by older fiber joints and several intermediate frames. The published receive sensitivity and DOM support were important to us because we needed to monitor link margin instead of relying only on link-up status. After a week of traffic, backup windows completed normally and optical readings remained stable. This is the type of 40km CWDM SFP+ module we would use again for cost-conscious metro and campus expansion.

129 Helpful vote Comments

P***s

Germany

Verified Purchase

5 .0

2026-05-05

The 1530nm channel matched our network plan with zero issues.

42 Helpful vote Comments

H***e

Malaysia

Verified Purchase

4 .0

2026-03-22

The product quality is solid and the DOM readings are stable. The outer carton had some scuff marks from shipping, so stronger tape around the box would be helpful for international deliveries.

18 Helpful vote Comments

T***n

Brazil

Verified Purchase

5 .0

2026-02-21

Purchased a small batch for our server room refresh. All CWDM modules showed consistent DOM data for temperature, voltage, TX power, and RX power after installation. That makes remote troubleshooting much easier for our network team.

70 Helpful vote Comments

I***n

Mexico

Verified Purchase

5 .0

2025-11-18

Our fiber route is just under 30km, but we selected the 40km 1530nm CWDM SFP+ for extra optical margin. It has been stable on single-mode fiber and handles our daily backup traffic without errors.

96 Helpful vote Comments

D***s

Russian Federation

Verified Purchase

5 .0

2025-10-31

Our operations team used these in a climate-controlled telecom cabinet supporting 10G backhaul over single-mode fiber. We confirmed the 1530nm CWDM wavelength against the MUX/DEMUX channel map first, then ran traffic and optical diagnostics after installation. The module’s commercial 0–70°C rating suits our protected enclosure, while DOM helps us catch receive-power changes before they become service issues. Straightforward deployment, stable link, and good consistency across the shipment.

116 Helpful vote Comments

S***n

France

Verified Purchase

5 .0

2025-10-14

Fast install, accurate diagnostics, and dependable 10G performance.

53 Helpful vote Comments

C***n

Indonesia

Verified Purchase

4 .0

2025-08-12

Very satisfied with the transceiver performance on our campus fiber link. Customs processing added a short delay, but that was a logistics issue rather than a product issue.

24 Helpful vote Comments

J***s

Norway

Verified Purchase

5 .0

2025-08-06

We installed LS-CW5310-40C optics transceivers on a 36km single-mode fiber path connecting a central data room to a distribution site. The path includes multiple patch panels and a CWDM MUX/DEMUX pair, so we wanted a 40km 10G CWDM SFP+ with enough margin for real-world insertion loss. DOM values gave our NOC a quick way to verify optical health after turn-up, and traffic testing showed no CRC errors or packet loss. The 1530nm channel integrated cleanly with the rest of the CWDM plan.

145 Helpful vote Comments

B***d

South Africa

Verified Purchase

4 .0

2025-06-11

Installed these 40km SFP+ CWDM modules on our single-mode fiber route with no issues. Delivery tracking stopped updating for a short time, which caused some concern, but the package arrived complete and protected.

28 Helpful vote Comments

Z***r

Singapore

Verified Purchase

5 .0

2025-05-09

Our deployment involved a batch rollout for enterprise campus backbone links, using dedicated 1530nm channels across existing duplex SMF infrastructure. Every module was checked for DOM visibility, TX/RX optical power, and sustained 10GbE throughput before release to the field. The modules performed consistently, and the LC duplex interface made replacement easy for local technicians. For commercial indoor network rooms and conditioned cabinets, this is a dependable 10G CWDM optical transceiver.

136 Helpful vote Comments

r***r

Romania

Verified Purchase

5 .0

2025-03-22

Very pleased with the selection and pricing!

54 Helpful vote Comments

N***a

Denmark

Verified Purchase

5 .0

2025-03-21

Goods as advertised. Shipping great. Recommended!

46 Helpful vote Comments

W***n

Netherlands

Verified Purchase

5 .0

2025-03-05

We ordered a batch of these 10G SFP+ 1530nm CWDM optical transceiver modules to expand capacity over a leased dark fiber pair. Clean Tx/Rx levels, low power consumption, and no issues on our core switch links.

73 Helpful vote Comments

A***o

Canada

Verified Purchase

5 .0

2024-10-18

Guess what: they worked right away, from the moment I put them in the switch! So I am happy. Happy that the ethernet port are the right ones, happy with you handling my case and happy with LINK-PP as a company with such a great customer care.

88 Helpful vote Comments

N***r

Canada

Verified Purchase

5 .0

2024-09-26

That was easy, no compatibility issues. THANK YOU.

45 Helpful vote Comments

K***i

Australia

Verified Purchase

5 .0

2024-08-17

The items arrived sooner than expected and I'm very happy with the transaction.

78 Helpful vote Comments

S***o

Malaysia

Verified Purchase

4 .0

2024-04-02

This is a great purchasing experience. I'm very satisfied with the high quality and a extremely affordable price.

38 Helpful vote Comments

W***u

Macao

Verified Purchase

5 .0

2024-03-24

very Fast and clear website

62 Helpful vote Comments

J***a

United States

Verified Purchase

5 .0

2024-01-03

Shipping speed and quality from LINK-PP is always phenomenal.

32 Helpful vote Comments

K***y

Israel

Verified Purchase

5 .0

2023-11-27

This item is durable and easy to use, delivered on time and the price is just.

42 Helpful vote Comments

L***o

Ireland

Verified Purchase

5 .0

2023-08-24

I am a little guy but treated as a big fish. prompt notification quick delivery and save lot cash!!!

91 Helpful vote Comments

H***n

United States

Verified Purchase

5 .0

2023-03-31

LINK-PP is the best supplier in China. The high quality, the perfect after sales services, the Fast delivery, the professional sales and so on. Now, the SI-80007-F has been worked on my switch without any problems. Moreover, the price is more favorable than other suppliers.

88 Helpful vote Comments

S***k

Romania

Verified Purchase

5 .0

2023-03-25

Everything arrived as ordered on the day promised.

58 Helpful vote Comments