I have a duplex LC cable deployed; can I just plug one side of it into this simplex interface?

No, this is a Bidirectional (BiDi) module that requires a single-strand Simplex LC fiber connector. It splits transmit and receive data onto different wavelengths over one single core.

Can I patch this transceiver module into a standard yellow OS2 single-mode fiber run?

Yes, the LS-BL553101-10C 155M BiDi SFP is engineered precisely for standard single-mode fiber (SMF) glass cores like OS1 and OS2. It will deliver rock-solid performance up to the rated 10km transmission distance.

Is it possible to get a sample unit for multi-vendor interoperability lab testing before we sign off on a large bulk purchase?

We highly encourage lab evaluations and can provide evaluation samples for qualified corporate networking projects. Reach out to our sales team with your testing blueprint to get started.

Our fiber run is exactly 9km with three fusion splices. Will this module suffer from severe signal dropouts near its limit?

At 9km with multiple splices, you are approaching the 10km maximum threshold, so your link budget will be relatively tight. We strongly recommend using the integrated DOM/DDM telemetry to audit your actual optical attenuation and ensure your RX power stays safely above the receiver sensitivity floor before going live.

Will running this commercial module close to its 70°C limit cause sudden link flapping or packet drops?

The optic will maintain data integrity up to 70°C, but prolonged exposure to maximum heat accelerates laser degradation. Upgrading to the industrial wider-temperature model ensures long-term uptime for critical field infrastructure.

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Generic SFP-FE-BX Compatible LINK-PP 155M SFP BiDi 1550nm-TX/1310nm-RX 10km Simplex LC DOM SMF Transceiver Module

Name: Generic SFP-FE-BX Compatible LINK-PP 155M SFP BiDi 1550nm-TX/1310nm-RX 10km Simplex LC DOM SMF Transceiver Module
Brand: LINK-PP
SKU: 214599
Price: 5.676 USD
Availability: InStock
Rating: 4.9 (29 reviews)

# 214599

Product: Generic SFP-FE-BX Compatible LINK-PP 155M SFP BiDi 1550nm-TX/1310nm-RX 10km Simplex LC DOM SMF Transceiver Module
SKU: 214599
P/N: LS-BL553101-10C
Price: $ 6.6
Stock: 1146 in Stock
Sold: 3.5K
Product URL: https://www.l-p.com/products/478169.htm

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P/N: LS-BL553101-10C

Compatible:: Cisco; LINK-PP; Avaya; Brocade; Extreme; Generic; H3C; Netgear; ProCurve

Compatible P/N:: SFP-FE-BX | 10km; SFP-FE-BX | 20km

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Generic SFP-FE-BX Compatible LINK-PP 155M SFP Specifications

SFP-FE-BX is a commercial-grade, single-strand 155M SFP BiDi optical transceiver that utilizes a precision 1550nm FP laser combined with a sensitive PIN photodetector to drive reliable full-duplex data transmission over single-mode fiber up to a 10km reach via a 1550nm-TX/1310nm-RX wavelength split.

Generic Part Number	SFP-FE-BX	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1550nm-TX/1310nm-RX	Max Cable Distance	10km
Connector	Simplex LC	Media	SMF
Transmitter Type	FP	Receiver Type	PIN
TX Power	-14 to -8dBm	RX Power	-32 to -6dBm
Receiver Sensitivity	< -32dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: I have a duplex LC cable deployed; can I just plug one side of it into this simplex interface? By J***n on 2026-05-11

A: No, this is a Bidirectional (BiDi) module that requires a single-strand Simplex LC fiber connector. It splits transmit and receive data onto different wavelengths over one single core. By admin on 2026-05-12
Q: Can I patch this transceiver module into a standard yellow OS2 single-mode fiber run? By K***t on 2026-03-28

A: Yes, the LS-BL553101-10C 155M BiDi SFP is engineered precisely for standard single-mode fiber (SMF) glass cores like OS1 and OS2. It will deliver rock-solid performance up to the rated 10km transmission distance. By admin on 2026-03-29
Q: Is it possible to get a sample unit for multi-vendor interoperability lab testing before we sign off on a large bulk purchase? By L***h on 2025-11-10

A: We highly encourage lab evaluations and can provide evaluation samples for qualified corporate networking projects. Reach out to our sales team with your testing blueprint to get started. By admin on 2025-11-11
Q: Our fiber run is exactly 9km with three fusion splices. Will this module suffer from severe signal dropouts near its limit? By M***e on 2025-09-30

A: At 9km with multiple splices, you are approaching the 10km maximum threshold, so your link budget will be relatively tight. We strongly recommend using the integrated DOM/DDM telemetry to audit your actual optical attenuation and ensure your RX power stays safely above the receiver sensitivity floor before going live. By admin on 2025-10-01
Q: Will running this commercial module close to its 70°C limit cause sudden link flapping or packet drops? By I***e on 2025-09-15

A: The optic will maintain data integrity up to 70°C, but prolonged exposure to maximum heat accelerates laser degradation. Upgrading to the industrial wider-temperature model ensures long-term uptime for critical field infrastructure. By admin on 2025-09-16

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K***k

Italy

Verified Purchase

5 .0

2026-05-15

Before purchasing, I asked their sales team about compliance with the SFF-8472 standard for digital monitoring. They provided detailed technical datasheets immediately. Deployed the units last week and the DDM works exactly as described. Great service!

75 Helpful vote Comments

A***n

Sweden

Verified Purchase

5 .0

2026-05-02

We operate a highly distributed corporate park with several interconnected office buildings where architectural constraints make pulling new fiber runs completely cost-prohibitive. Transitioning our inter-building campus rings to bidirectional multiplexing with the LINK-PP LS-BL553101-10C modules instantly freed up half of our optical distribution cores for future expansion. The internal diplexer manages the 1550nm transmit and 1310nm receive separation flawlessly, resulting in completely clean signal transmission with zero cross-talk interference at the maximum 155Mbps throughput, and the DDM parameters align perfectly with our command outputs (show interfaces transceiver detail) for proactive laser degradation alerts.

133 Helpful vote Comments

R***y

United States

Verified Purchase

5 .0

2026-04-26

Paired this 1550nm-TX with the matching 1310nm-TX side, synced instantly.

15 Helpful vote Comments

E***n

India

Verified Purchase

5 .0

2026-04-14

Our multi-mode to single-mode migration was short on fiber cores. Switching to these BiDi single-mode SFP transceiver modules allowed us to run independent 155Mbps channels over just one fiber strand. Incredible cost saver for metro-ethernet access rings.

44 Helpful vote Comments

I***s

Germany

Verified Purchase

4 .0

2026-02-01

The module performs perfectly over a 4km single-mode fiber link between our campus buildings. The Simplex LC interface fits securely and data rates are completely stable. Docking one star because delivery took an extra 3 days to reach our office in Germany. If you are not in a rush, this is an incredible, cost-effective alternative to OEM optics. ⏳

27 Helpful vote Comments

G***t

Japan

Verified Purchase

5 .0

2026-01-31

I was skeptical about the DOM/DDM accuracy at this price point, but the LS-BL553101-10C proved me wrong. Compared the readings with our handheld optical power meter and they are within 0.2dBm. Makes troubleshooting long-haul 10km runs so much easier.

51 Helpful vote Comments

T***d

Belgium

Verified Purchase

5 .0

2026-01-13

Saved half our fiber strands using these 155M BiDi SFPs, highly recommend for tight budgets! ⚡

35 Helpful vote Comments

W***y

Canada

Verified Purchase

4 .0

2026-01-09

Excellent launch power margins on our 7km single-mode span, and the DOM readings match our handheld optical power meters perfectly. My only grievance is with the tracking information provided after checkout, which didn't update for the first three days of transit. The package still arrived well within the promised delivery window, and the hardware stability is absolutely top-tier. ✈️

47 Helpful vote Comments

L***r

Germany

Verified Purchase

5 .0

2025-11-27

Connected two office buildings about 8km apart using standard single-mode fiber runs. These 10km SFP modules provide more than enough link budget to overcome splice losses along the path. The 1550nm TX laser is sharp and clean. Stable data rates day and night.

60 Helpful vote Comments

H***e

Australia

Verified Purchase

5 .0

2025-10-21

Single-mode simplex LC interface made our cable management so much cleaner!

18 Helpful vote Comments

X***y

Finland

Verified Purchase

5 .0

2025-10-03

We recently refreshed our outlying research labs using a bulk deployment of these LINK-PP LS-BL553101-10C 155M SFP BiDi transceivers to route telemetry and building control links back to our primary campus data center. The 10km rated distance over single-mode fiber easily covered our longest campus run of 7.4km, and the internal diagnostics showed a highly stable launch power that handles standard patch panel split-losses without any signal degradation. We have experienced absolutely no link drops or frame alignment errors across the modules, and the correct EEPROM coding meant they negotiated the 155Mbps link speed automatically inside our switches with zero manual configuration needed.

143 Helpful vote Comments

V***d

Austria

Verified Purchase

5 .0

2025-08-27

Deployed these inside our climate-controlled server room for inter-rack links. Even though they are commercial grade (0-70°C), they stay completely cool under full traffic load. DDM shows stable TX/RX power metrics. Very satisfied with the build quality.

62 Helpful vote Comments

F***n

Republic of Korea

Verified Purchase

5 .0

2025-08-05

Perfect fit for our legacy Fast Ethernet fiber switches, instant link up.

24 Helpful vote Comments

Z***t

Norway

Verified Purchase

5 .0

2025-07-29

Running steady across a 7.5km single-mode span, zero packet loss so far.

12 Helpful vote Comments

O***n

United Kingdom

Verified Purchase

5 .0

2025-07-20

An underrated feature of these LS-BL553101-10C SFP modules is their low power draw. Our edge switches run much cooler compared to when we used older, bulkier transceivers. Keeps our tight enclosure thermal budgets under control.

42 Helpful vote Comments

J***y

Canada

Verified Purchase

5 .0

2025-06-10

Our team manages the critical telecommunications infrastructure for several electrical substation control buildings where low-latency telemetry transmission over fiber optics is mandatory. We deployed these 1550nm-TX/1310nm-RX BiDi transceivers to optimize our legacy Fast Ethernet links, and utilizing this single-strand technology allowed us to retain vital spare fiber lines for a future smart-grid sensor rollout. Even though these are commercial modules sitting in standard indoor relay racks where ambient temperatures fluctuate between 20°C and 35°C, they have operated flawlessly for over three months without a single bit error, link flap, or communication dropout. ⚡

114 Helpful vote Comments

M***n

Brazil

Verified Purchase

5 .0

2024-08-22

The sales girl answered all my questions patiently and helped me place the order. Very pleased with the service I received.

124 Helpful vote Comments

S***o

Thailand

Verified Purchase

5 .0

2024-07-25

The more times use Link-pp, the more I like the company!

69 Helpful vote Comments

L***t

Morocco

Verified Purchase

5 .0

2024-07-03

Devices came well packed and sealed, received them in factory condition, opened and used them - no issues found, high quality product, worked straight out of the box. Happy, will buy again. Delivery was Fast, within a week of order.

22 Helpful vote Comments

E***s

United States

Verified Purchase

5 .0

2024-05-12

Good prices. Prompt shipping. Merchandise as described.

64 Helpful vote Comments

G***g

Germany

Verified Purchase

5 .0

2024-03-29

The item I was looking for was easy to find.

53 Helpful vote Comments

K***e

Turkey

Verified Purchase

5 .0

2024-02-09

Great service and quick same day delivery. I'd definitely recommend l-p.com

11 Helpful vote Comments

C***i

New Zealand

Verified Purchase

5 .0

2024-01-26

Impressive service support, any time I have some product knowledge issues, the rep will get me known soon, and the tech support always on site to help you.

76 Helpful vote Comments

K***i

Ukraine

Verified Purchase

5 .0

2023-12-12

I always get high quality goods at a fair price.

52 Helpful vote Comments

W***y

Italy

Verified Purchase

5 .0

2023-10-28

There were nothing to complain for this online shopping transaction, nice service and good products. It was quick, easy, with merchandise offered in great selections at competitive prices. Also, I'd like to express my thanks for the Account Manager She is really patient and helpful.

43 Helpful vote Comments

K***r

Indonesia

Verified Purchase

5 .0

2023-09-18

We received the correct part in 15 day without the need to pay for expedited shipping. Worked as advertised.

61 Helpful vote Comments

M***s

Indonesia

Verified Purchase

5 .0