Is this industrial SFP suitable for outdoor cabinets or telecom environments?

Yes. LS-BL55311G-10I is an industrial-grade 1G BiDi SFP transceiver with a wide operating temperature range, making it suitable for outdoor cabinets, telecom access networks, industrial Ethernet applications, and remote fiber links.

Can this LS-BL55311G-10I BiDi SFP work with my existing switch from another brand?

Yes. This 1G BiDi SFP supports OEM-compatible coding options for many major network equipment brands. It is designed for multi-brand switch compatibility, and we recommend selecting the correct compatible version when ordering.

What fiber cable should I use for the 1550nm-TX/1310nm-RX 10km SFP module?

This module requires single-mode fiber (SMF) with a simplex LC connector. It is designed for 10km transmission using BiDi WDM technology, with 1550nm optical transmission and 1310nm optical reception over one fiber strand.

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LINK-PP LS-BL55311G-10I 1G BiDi SFP 1550nm-TX/1310nm-RX 10km DOM Simplex LC SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-BL55311G-10I 1G BiDi SFP 1550nm-TX/1310nm-RX 10km DOM Simplex LC SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 183749
Price: 6.794 USD
Availability: InStock
Rating: 4.9 (27 reviews)

# 183749

Product: LINK-PP LS-BL55311G-10I 1G BiDi SFP 1550nm-TX/1310nm-RX 10km DOM Simplex LC SMF Optical Transceiver Module (Industrial)
SKU: 183749
P/N: LS-BL55311G-10I
Price: $ 7.9
Stock: 690 in Stock
Sold: 710
Product URL: https://www.l-p.com/products/478708.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

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27 Reviews

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$ 7.505

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$ 7.268

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$ 7.031

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Manufacture: LINK-PP

P/N: LS-BL55311G-10I

Compatible:: LINK-PP

Compatible P/N:: LS-BL31551G-02C | 2km; LS-BL55311G-02C | 2km; LS-BL31551G-03C | 3km; LS-BL31551G-03I | 3km; LS-BL55311G-03C | 3km; LS-BL55311G-03I | 3km; LS-BL31491G-10C | 10km; LS-BL31491G-10I | 10km; LS-BL31551G-10C | 10km; LS-BL31551G-10I | 10km; LS-BL31551GE-10C | 10km; LS-BL49311G-10C | 10km; LS-BL49311G-10I | 10km; LS-BL49551G-10C | 10km; LS-BL49551G-10I | 10km; LS-BL55311G-10C | 10km; LS-BL55311G-10I | 10km; LS-BL55311GE-10C | 10km; LS-BL55491G-10C | 10km; LS-BL55491G-10I | 10km; LS-BL31551G-15C | 15km; LS-BL31491G-20C | 20km; LS-BL31491G-20I | 20km; LS-BL31551G-20C | 20km; LS-BL31551G-20I | 20km; LS-BL49311G-20C | 20km; LS-BL49311G-20I | 20km; LS-BL49551G-20C | 20km; LS-BL55311G-20C | 20km; LS-BL55311G-20I | 20km; LS-BL55491G-20C | 20km; LS-BL31491G-40C | 40km; LS-BL31491G-40I | 40km; LS-BL31551G-40C | 40km; LS-BL31551G-40I | 40km; LS-BL49311G-40C | 40km; LS-BL49311G-40I | 40km; LS-BL55311G-40C | 40km; LS-BL55311G-40I | 40km; LS-BL31551G-60C | 60km; LS-BL31551G-60I | 60km; LS-BL49551G-60C | 60km; LS-BL55311G-60C | 60km; LS-BL55311G-60I | 60km; LS-BL55491G-60C | 60km; LS-BL27331G-80C | 80km; LS-BL33271G-80C | 80km; LS-BL49551G-80C | 80km; LS-BL49551G-80I | 80km; LS-BL55491G-80C | 80km; LS-BL55491G-80I | 80km; LS-BL49551G-A0C | 100km; LS-BL49551G-A0I | 100km; LS-BL55491G-A0C | 100km; LS-BL55491G-A0I | 100km; LS-BL49551G-A2C | 120km; LS-BL49551G-A2I | 120km; LS-BL55491G-A2C | 120km; LS-BL55491G-A2I | 120km; LS-BL49551G-A5C | 150km; LS-BL49551G-A5I | 150km; LS-BL55491G-A5C | 150km; LS-BL55491G-A5I | 150km; LS-BL49551G-A6C | 160km; LS-BL49551G-A6I | 160km; LS-BL55491G-A6C | 160km; LS-BL55491G-A6I | 160km

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LINK-PP LS-BL55311G-10I 1G BiDi SFP Specifications

The LINK-PP LS-BL55311G-10I is a 1G BiDi transceiver that provides a reliable data rate of 1.25 Gbps over single-mode fiber for distances up to 10 km. It uses a 1550nm transmit/1310nm receive wavelength pair to allow efficient two-way communication on just one fiber.

LINK-PP Part Number	LS-BL55311G-10I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1550nm-TX/1310nm-RX	Max Cable Distance	10km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB BiDi	Receiver Type	PIN
TX Power	-9 to 0dBm	RX Power	-23 to -1dBm
Receiver Sensitivity	<-23dBm	Receiver Overload	-1dBm
Operating Temperature Range	-40 to 85°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: Is this industrial SFP suitable for outdoor cabinets or telecom environments? By M***n on 2026-07-12

A: Yes. LS-BL55311G-10I is an industrial-grade 1G BiDi SFP transceiver with a wide operating temperature range, making it suitable for outdoor cabinets, telecom access networks, industrial Ethernet applications, and remote fiber links. By admin on 2026-07-13
Q: Can this LS-BL55311G-10I BiDi SFP work with my existing switch from another brand? By A***r on 2025-06-04

A: Yes. This 1G BiDi SFP supports OEM-compatible coding options for many major network equipment brands. It is designed for multi-brand switch compatibility, and we recommend selecting the correct compatible version when ordering. By admin on 2025-06-04
Q: What fiber cable should I use for the 1550nm-TX/1310nm-RX 10km SFP module? By S***r on 2024-11-28

A: This module requires single-mode fiber (SMF) with a simplex LC connector. It is designed for 10km transmission using BiDi WDM technology, with 1550nm optical transmission and 1310nm optical reception over one fiber strand. By admin on 2024-11-28

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E***z

United Kingdom

Verified Purchase

4 .0

2026-06-20

Product works as expected, but the outer packaging could be improved. The modules arrived safely and performance is still excellent.

30 Helpful vote Comments

M***z

Cambodia

Verified Purchase

5 .0

2026-04-26

Great value and reliable performance.

1 Helpful vote Comments

J***z

Singapore

Verified Purchase

5 .0

2026-04-07

Affordable and dependable fiber optic solution.

25 Helpful vote Comments

A***r

France

Verified Purchase

5 .0

2026-04-03

Stable 1Gbps connection for our fiber backbone.

90 Helpful vote Comments

P***n

Japan

Verified Purchase

4 .0

2026-01-08

Shipping took a little longer than expected and the box had minor damage, but the SFP module itself works perfectly with our 1G network equipment.

38 Helpful vote Comments

E***n

Turkey

Verified Purchase

5 .0

2025-11-02

Exactly what we needed for simplex fiber connectivity. =D

40 Helpful vote Comments

A***n

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2025-10-24

These 1G BiDi SFP 10km modules replaced our old optics easily. The industrial temperature range is useful for our outdoor telecom cabinets where normal SFPs were unreliable.

26 Helpful vote Comments

B***s

Iran, Islamic Republic of

Verified Purchase

5 .0

2025-10-09

Installed in outdoor access nodes and telecom cabinets. The -40°C to +85°C industrial temperature support gives us confidence for harsh environments.

79 Helpful vote Comments

R***r

Argentina

Verified Purchase

5 .0

2025-09-15

Good quality industrial 1G SFP module with OEM compatibility.

63 Helpful vote Comments

V***n

Bulgaria

Verified Purchase

5 .0

2025-07-07

Great module for fiber network upgrades.

7 Helpful vote Comments

K***r

Ireland

Verified Purchase

5 .0

2025-05-02

We tested these 1550nm-TX/1310nm-RX BiDi SFP modules with our network switches before a large rollout. The compatibility was excellent, and the 10km range matched our site requirements.

66 Helpful vote Comments

P***e

Russian Federation

Verified Purchase

5 .0

2025-04-26

Nice alternative to expensive OEM optics. Tested LS-BL55311G-10I with different branded equipment and all links came up immediately.

5 Helpful vote Comments

N***s

Argentina

Verified Purchase

5 .0

2025-04-01

Works well for remote office fiber links. Simple setup and stable connection :-)

93 Helpful vote Comments

H***s

Bulgaria

Verified Purchase

5 .0

2025-01-25

Good optical budget and easy installation. The simplex LC SMF interface is exactly what our project needed :-D

18 Helpful vote Comments

R***t

New Zealand

Verified Purchase

5 .0

2025-01-08

We deployed a batch of these 1000BASE-BX10 compatible SFP modules for remote sites. They passed our compatibility tests with multiple OEM switches without any coding problems.

28 Helpful vote Comments

R***s

Netherlands

Verified Purchase

5 .0

2024-12-31

Bought for a warehouse network upgrade. The industrial SFP modules handled temperature changes better than standard commercial units. DOM readings are accurate and helpful for troubleshooting.

64 Helpful vote Comments

W***s

United Kingdom

Verified Purchase

5 .0

2024-09-15

Solid industrial SFP transceiver, no issues so far =)

41 Helpful vote Comments

B***k

Lithuania

Verified Purchase

5 .0

2024-07-24

Good replacement optics for enterprise deployments.

18 Helpful vote Comments

A***z

Ireland

Verified Purchase

5 .0

2024-07-19

Used these BiDi SFP transceivers for a small data center interconnect. Low power consumption, accurate DOM monitoring, and consistent optical performance made deployment simple.

78 Helpful vote Comments

D***n

Netherlands

Verified Purchase

5 .0

2024-06-30

We use these in base station backhaul links. The 1550nm transmit and 1310nm receive configuration matched our existing BiDi deployment perfectly.

3 Helpful vote Comments

O***r

Brazil

Verified Purchase

5 .0

2024-06-27

Used LS-BL55311G-10I for campus network expansion. The simplex LC design saved fiber resources, and DOM monitoring helps our team check optical levels remotely during maintenance.

41 Helpful vote Comments

J***z

Australia

Verified Purchase

5 .0

2024-05-01

Works perfectly with our enterprise switches :)

4 Helpful vote Comments

A***n

Finland

Verified Purchase

5 .0

2024-04-30

Fast deployment, clean diagnostics, great compatibility.

63 Helpful vote Comments

E***a

Brunei Darussalam

Verified Purchase

5 .0

2024-03-07

Reliable 1000BASE-BX10 optical transceiver for long distance connections.

32 Helpful vote Comments

J***y

Brunei Darussalam

Verified Purchase

5 .0

2024-01-19

Installed these 1G BiDi SFP modules in outdoor cabinets and they have been stable for months. The 1550nm TX and 1310nm RX wavelength pairing works well over our 10km single-mode fiber runs.

93 Helpful vote Comments

T***s

Austria

Verified Purchase

5 .0

2024-01-13

Our NOC team installed over 50 units across different locations. The 10km single-mode fiber transmission has been stable, and DDM information makes remote support much easier.

83 Helpful vote Comments

A***z

Germany

Verified Purchase

5 .0

2024-01-13

Perfect fit for our industrial fiber links :)

68 Helpful vote Comments