Free shipping over $600, If you need a more favorable price, please contact us directly.
Need Help?
Chat live with us
Live Chat
Want to call?

+ 86-752-3386717

Language: English
  1. English
  2. Русский
  3. Português
  4. Español
  5. Nederlands
  6. Français
  7. Italiano
  8. Deutsch
  9. العربية
  10. Ελληνικά
  11. にほんご
  12. 한국어
  13. Tiếng Việt
  14. Indonesian
  15. Thai
Currency: USD
USD - US Dollar
EUR - Euro
GBP - British Pound
CAD - Canadian Dollar
AUD - Australian Dollar
JPY - Japanese Yen
SEK - Swedish Krona
NOK - Norwegian Krone
IDR - Indonesia Rupiahs
BRL - Brazilian Real
THB - Thailand Baht
  • Mind your business with a variety of trusted payment options.

  • Use order number or tracking number to check shipping status.

  • Get your quote fast and offer you more professional service.

  • Help manage your budget & expenditure better.

  • Meet us and know our mission, belief, service and more.

  • Find our locations and get connected with us closely.

  • Quality management, testing, compatibility and global compliance.

  • Lab tour, optical test bed, compatibility tool and test requests.

  • Find out the latest news and events around l-p.com

  • Deep dive into technical guides, industry standards, and SFP compatibility insights.

  • Detailed product benchmarks and side-by-side comparisons to help you choose the right module.

  • Explore real-world connectivity solutions for data centers, enterprises, and telecom networks.

  • Essential tips on choosing data rates, transmission distances, and connector types.

Language
  1. English
  2. Русский
  3. Português
  4. Español
  5. Français
  6. Italiano
  7. Deutsch
  8. العربية
  9. にほんご
  10. Tiếng Việt
  11. Indonesian
  12. Thai
Select Currency
USD - US Dollar
EUR - Euro
GBP - British Pound
CAD - Canadian Dollar
AUD - Australian Dollar
JPY - Japanese Yen
SEK - Swedish Krona
NOK - Norwegian Krone
IDR - Indonesia Rupiahs
BRL - Brazilian Real
THB - Thailand Baht
LINK-PP LS-BL31552G-20I 2.5G SFP 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module (Industrial)
Click to open expanded view

LINK-PP LS-BL31552G-20I 2.5G SFP 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module (Industrial)

# 193622

Product summary

Product
LINK-PP LS-BL31552G-20I 2.5G SFP 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module (Industrial)
SKU
193622
P/N
LS-BL31552G-20I
Price
$ 8.8
Stock
319 in Stock
Sold
280
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
27 Reviews
0 Questions
Request Stock
280 Sold
$ 8.8 0% OFF )
Free shipping over $600, If you need a more favorable price, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 8.8
100
$ 8.36
1000
$ 8.096
3000
$ 7.832
6000
$ 7.568
Manufacture: LINK-PP
P/N: LS-BL31552G-20I
Compatible:
LINK-PP
Shipping:
{{ detail_data.displayed_price.unit_prefix }} {{now_chooseship.price}}
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
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
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.total }}
{{ 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}}

LINK-PP LS-BL31552G-20I SFP 2.5G BiDi Simplex LC/UPC Optical Transceiver Module(SMF, 1310nm-TX/1550nm-RX, 20km, LC, DOM,Industrial)


The LS-BL31552G-20I SFP transceivers are high performance, cost effective modules supporting data rate of 2.5Gbps and 20km transmission distance with SMF.The transceiver consists of three sections: a DFB laser transmitter, a PIN photodiode integrated with a trans-impedance preamplifier (TIA) and MCU control unit. All modules satisfy class I laser safety requirements.The transceivers are compatible with SFP Multi-Source Agreement and SFF-8472 digital diagnostics functions.


LINK-PP Part Number
LS-BL31552G-20I Vendor Name
LINK-PP
Form Factor
SFP
Max Data Rate
2.5Gbps
Wavelength
1310nm-TX/1550nm-RX Max Cable Distance
20km
Connector
Simplex LC
Optical Components
FP BiDi
Media
SMFDOM Support

Yes

TX Power
-5 to 0dBmRX Power-23 to -1dBm

Receiver Sensitivity
<-18dBm
Receiver Overload
-1dBm
Operating case temperature
-40 to 85°C
Protocols

Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

Quality Testing Program
Optical Transceivers Testing

Take advantage of our testing program to evaluate the reliability and performance of our optical transceivers.

Quality Certifications
We control the quality of our products,including our strict qualification of manufacturers,quality control process and production technology,and compliance with certification and safet standards.At present,our products meet the industry standards and mainstream quality certification,such as ISO 9001,CE,RoHS,FCC,etc.
Features

LINK-PP 2.5G Connectivity for Data Center

Designed with low power consumption, LINK-PP SFP transceivers offer a cost-effective solution for 2.5G Ethernet applications.Ensuring reliable performance with high-speed transmission, they meet modern network upgrade needs.Providing efficient and stable connectivity, LINK-PP SFP modules support next-generation networking demands.

LINK-PP LS-BL31552G-20I 2.5G SFP 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module (Industrial)


Certified through host-device testing for dependable interoperability
Each transceiver undergoes strict quality assurance and compatibility testing within the intended switch environment, ensuring not only flawless operation but also long-term stability and reliability in demanding network applications.

Rigorous Testing Ensures Reliable Performance
Every Link-PP optical module undergoes a thorough qualification process with state-of-the-art equipment, guaranteeing superior quality and dependable operation. Learn more at our [Link-PP Test Support Center].
LINK-PP LS-BL31552G-20I 2.5G SFP 1310nm-TX/1550nm-RX 20km DOM Simplex LC/UPC SMF Optical Transceiver Module (Industrial)
Optical Spectrum Test
No Packet Loss & CRC
Eye Pattern Test
Mask Margin > 20%
Bit Error Rate Test
BER 1E-12
Temperature Test
0~70°C

Videos

LINK-PP

Matching Products

Pictures ID# Description Price Stock Add to Cart

Download

Questions & Answers

Ask a Question
No data

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}}%
No data
A***i
New Zealand
Verified Purchase
5 .0
2025-05-23
I get the product very Fast and it connects well.
M***n
United States
Verified Purchase
5 .0
2025-04-14
Really happy with my purchase. This is the first time that i purchase Transceiver Modules online. The product was send really Fast. I will continue purchase with your.
M***a
Netherlands
Verified Purchase
5 .0
2025-02-06
Thanks for having a great site.
M***n
Norway
Verified Purchase
5 .0
2025-01-24
Very good for the price and durable enough for home use.
N***g
Thailand
Verified Purchase
5 .0
2025-01-10
I’m so happy with everything about this purchase. It was Fast delivery and a great product.Will definitely shop again
J***r
Australia
Verified Purchase
5 .0
2024-12-17
Shipping was Fast. All the transceivers worked well with my devices. That's great! If I need more, I will be back!
R***m
Ukraine
Verified Purchase
5 .0
2024-12-12
The module is working as expected. Thank you LINK-PP for another great product!
C***n
France
Verified Purchase
5 .0
2024-11-30
Excellent service. Fast shipping great communication.
W***y
Sweden
Verified Purchase
5 .0
2024-10-12
Never had a single issue. Will continue to buy products from Link pp next time.
J***a
United States
Verified Purchase
5 .0
2024-09-28
Quality and inventory
T***a
Taiwan, Province of China
Verified Purchase
5 .0
2024-09-14
Your web store is great, with compatibility info and all payment options included for effective B2B model.It would be useful if you added Inco-terms on proforma and shipment invoices for customs purposes.
D***n
United States
Verified Purchase
5 .0
2024-09-07
good quality and servies, LINK-PP.
L***s
Australia
Verified Purchase
5 .0
2024-08-06
They had what I wanted, sent it timely and it was exactly as described
P***r
Bangladesh
Verified Purchase
5 .0
2024-06-22
Have made many purchase with l-p.com. They are very through with making sure the correct products ordered for correct and working. The product shipped from directly China and arrived quickly.
K***r
Singapore
Verified Purchase
5 .0
2024-06-04
Shipping was immediate, and the order arrived quickly and correctly. Thanks a lot!
D***m
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2024-05-11
have been very satisfied with the quality of goods purchased
G***a
Philippines
Verified Purchase
5 .0
2024-02-24
Good quality, Fast delivery
J***n
Philippines
Verified Purchase
5 .0
2024-01-06
I just placed an order with 50 pcs 10G Sfp Cage. You guys shipped them to me in the same day. Actually it's really urgent for me and I appreciate your Fast shipment. Will order it continually for my projects.
E***y
Australia
Verified Purchase
5 .0
2023-12-30
good quality and servies, LINK-PP.
M***o
United States
Verified Purchase
5 .0
2023-11-14
Customer service is friendly and helpful. Price is charming. Quality is as expected.
P***s
Sweden
Verified Purchase
5 .0
2023-10-09
Great product. Fast shipping.
C***a
Bulgaria
Verified Purchase
5 .0
2023-09-25
Excellent selection. Site easy to use. Shipping was a bit much though.
P***e
Norway
Verified Purchase
5 .0
2023-09-16
Great product and worked as expected, no issues reported after a month of use so far, highly recommend and will use their products again.
S***n
Denmark
Verified Purchase
5 .0
2023-06-18
This 10/25/40G Transceiver Modules magnetics works as expected.
P***r
Malaysia
Verified Purchase
5 .0
2023-06-11
The item was as expected and in good condition. No complaints here.
I***o
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2023-04-19
The shipment has arrived and I have to praise the packaging of the Optical Transceiver Module and especially the new 10/25/40G Transceiver Modules sealed boxes. Thx.
R***n
Iran, Islamic Republic of
Verified Purchase
5 .0
2023-01-13
I checked out l-p.com references on several forums and it had nothing but good reviews.
{{comments.user.name}}
{{comments.user.country}}
Verified Purchase
{{comments.rating}}.0
{{comments.date_added}}
{{comments.text}}
Showing {{comments.replies.length}} comment

{{reply_items.topic || reply_items.text}}By {{reply_items.author}}

Not yet rated . Be the first to Write a Review

Recently Viewed

{{item.detail.name}}

{{item.displayed_price.unit_prefix}} {{item.displayed_price.value}} / {{item.displayed_price.unit_type_name}}

{{item.sold_num}} Sold
  • {{ detail_data.displayed_price.unit_prefix }}  {{ detail_data.displayed_price.value }}

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