Our existing patch panel uses standard duplex LC fiber patch cords. Can we use them with this module?

No, this 155M BiDi SFP transceiver features a Simplex LC interface, which runs both transmit and receive signals over a single fiber strand.

Can we install this 155M SFP in an unventilated outdoor enclosure that reaches 75°C in the summer?

No, this is a commercial-grade SFP optical module rated for 0°C to 70°C. You will need an industrial-grade version for extreme temperatures.

Is this transceiver module suitable for bringing a legacy Fast Ethernet connection into a modern software-defined network?

Absolutely, it is designed for standard 155Mbps Fast Ethernet links, allowing legacy transport over SFP host slots.

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LINK-PP LS-BL553101-40C 155M SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex LC DOM SMF Optical Transceiver Module

Name: LINK-PP LS-BL553101-40C 155M SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 205659
Price: 7.31 USD
Availability: InStock
Rating: 4.9 (20 reviews)

# 205659

Product: LINK-PP LS-BL553101-40C 155M SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex LC DOM SMF Optical Transceiver Module
SKU: 205659
P/N: LS-BL553101-40C
Price: $ 8.5
Stock: 620 in Stock
Sold: 2.4K
Product URL: https://www.l-p.com/products/494041.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

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Manufacture: LINK-PP

P/N: LS-BL553101-40C

Compatible:: LINK-PP

Compatible P/N:: LS-BL315501-10C | 10km; LS-BL315501-10I | 10km; LS-BL553101-10C | 10km; LS-BL553101-10I | 10km; LS-BL315501-15C | 15km; LS-BL553101-15C | 15km; LS-BL315501-20C | 20km; LS-BL315501-20I | 20km; LS-BL553101-20C | 20km; LS-BL553101-20I | 20km; LS-BL315501-40C | 40km; LS-BL315501-40I | 40km; LS-BL553101-40C | 40km; LS-BL553101-40I | 40km; LS-BL315501-80C | 80km; LS-BL315501-80I | 80km; LS-BL495501-80C | 80km; LS-BL495501-80I | 80km; LS-BL553101-80C | 80km; LS-BL553101-80I | 80km; LS-BL554901-80C | 80km; LS-BL554901-80I | 80km

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LINK-PP LS-BL553101-40C 155M SFP Specifications

LS-BL553101-40C serves as a commercial-grade 155M SFP BiDi optical transceiver module that pairs a DFB laser and PIN photo detector across 1550nm-TX/1310nm-RX wavelengths to deliver dependable 40km transmissions over a simplex LC interface within a 0 to 70°C temperature range.

LINK-PP Part Number	LS-BL553101-40C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1550nm-TX/1310nm-RX	Max Cable Distance	40km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-8 to -1dBm	Receiver Sensitivity	-32dBm
RX Power	-32 to -6dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: Our existing patch panel uses standard duplex LC fiber patch cords. Can we use them with this module? By R***y on 2026-01-25

A: No, this 155M BiDi SFP transceiver features a Simplex LC interface, which runs both transmit and receive signals over a single fiber strand. By admin on 2026-01-26
Q: Can we install this 155M SFP in an unventilated outdoor enclosure that reaches 75°C in the summer? By T***e on 2025-07-25

A: No, this is a commercial-grade SFP optical module rated for 0°C to 70°C. You will need an industrial-grade version for extreme temperatures. By admin on 2025-07-26
Q: Is this transceiver module suitable for bringing a legacy Fast Ethernet connection into a modern software-defined network? By S***n on 2025-04-28

A: Absolutely, it is designed for standard 155Mbps Fast Ethernet links, allowing legacy transport over SFP host slots. By admin on 2025-04-29

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R***e

Bangladesh

Verified Purchase

5 .0

2026-05-14

Clean TX/RX light levels across a 38km single-mode span. (•‿•)

41 Helpful vote Comments

I***h

Sweden

Verified Purchase

5 .0

2026-04-20

Very pleased with the digital diagnostic features of this 155M SFP transceiver. Our monitoring system pulls real-time voltage, temperature, and laser bias current without any parsing issues. Excellent build quality.

92 Helpful vote Comments

A***n

Philippines

Verified Purchase

5 .0

2026-04-07

Steady Fast Ethernet carrier signal with zero packet drops!

54 Helpful vote Comments

L***k

Bulgaria

Verified Purchase

5 .0

2026-03-11

For our municipal surveillance network, we deployed these 155M SFP BiDi transceivers to run over a single-mode fiber infrastructure. The simplex LC configuration significantly reduced our patch panel density, while the 40km reach allowed us to connect outlying camera nodes back to the core routing cabinet without mid-span repeaters. Real-time DOM telemetry showed a highly stable TX power of -4.5 dBm and excellent RX sensitivity, proving the optical power budget is perfectly engineered for long-range, fast Ethernet backhaul.

142 Helpful vote Comments

D***y

Belarus

Verified Purchase

5 .0

2026-02-27

We integrated these transceivers into our SNMP monitoring system. The digital diagnostics (DOM) are fully active, delivering spot-on measurements for temperature, bias current, and optical power. Makes troubleshooting a breeze.

95 Helpful vote Comments

O***y

Turkey

Verified Purchase

5 .0

2026-02-14

For our long-distance SCADA telemetry backhaul, we needed a cost-efficient yet robust SFP that could reliably traverse 36km of overhead single-mode fiber. This 155M BiDi transceiver proved to be the ideal fit, showing outstanding resistance to polarization mode dispersion and external temperature fluctuations. The DDM telemetry remains perfectly linear throughout continuous operation, giving us high confidence in our remote link monitoring and preventing unnecessary truck rolls for manual physical layer checks.

124 Helpful vote Comments

G***e

Russian Federation

Verified Purchase

5 .0

2026-01-25

Highly impressed by the optical isolation on these modules. Zero crosstalk between the 1550nm transmit signal and the 1310nm receive signal. The link has been completely error-free for over three months.

102 Helpful vote Comments

N***e

Belgium

Verified Purchase

5 .0

2025-12-14

Our current fiber deployments heavily rely on maximizing existing physical plant assets, which makes single-fiber simplex LC technology indispensable. Testing these 155M 40km BiDi SFP transceivers over a 30km single-mode span yielded highly consistent optical power margins, leaving plenty of headroom to prevent receiver saturation. The mechanical build is highly impressive, featuring a sturdy bail latch that locks firmly into the SFP slot and detaches cleanly, which makes high-density patch bay reconfigurations much easier for our field techs.

155 Helpful vote Comments

F***h

Canada

Verified Purchase

5 .0

2025-11-25

We had to replace some aging 155M SFP modules on our legacy telecom transport gear. These optical transceivers matched the specs perfectly. Plugged them in, and the link light turned green instantly without a single issue.

78 Helpful vote Comments

M***e

Denmark

Verified Purchase

5 .0

2025-10-30

Excellent optical budget, DDM telemetry is highly accurate.

68 Helpful vote Comments

K***y

Singapore

Verified Purchase

5 .0

2025-09-02

Installed these 155M SFP modules on a 28km link and checked the receive sensitivity. The light levels are excellent, leaving plenty of power margin to spare. Highly recommend for any medium-to-long-range projects.

106 Helpful vote Comments

Q***y

Ukraine

Verified Purchase

4 .0

2025-08-27

The optical budget on these single-mode SFP transceivers is outstanding, easily reaching our remote monitoring station at 38km. The only drawback is that the international shipping and handling fee to our region was quite steep. Next time, we will buy in larger bulk quantities to distribute the logistics costs better.

36 Helpful vote Comments

C***r

Poland

Verified Purchase

5 .0

2025-08-17

We were paying a premium to rent extra dark fiber lines for our remote monitoring station. Deploying these simplex LC BiDi optical modules allowed us to consolidate our uplink onto a single fiber strand with absolute stability over 35km. Highly cost-effective!

129 Helpful vote Comments

P***r

Australia

Verified Purchase

4 .0

2025-07-14

This simplex LC BiDi SFP performs exceptionally well with incredibly accurate real-time DOM monitoring over our fiber network. However, our shipment was held at the border for two days because of a minor clerical error on the shipping invoice. Customer service resolved the issue quickly, but the customs delay was still a bit frustrating.

25 Helpful vote Comments

H***y

Brazil

Verified Purchase

5 .0

2025-06-09

We switched to these single-fiber BiDi modules for our remote link and cut our fiber leasing costs in half instantly. The simplex LC setup works perfectly, and we are getting a rock-solid Fast Ethernet link over 32km.

125 Helpful vote Comments

M***y

Thailand

Verified Purchase

5 .0

2025-05-09

Managing legacy SONET telecom circuits requires highly stable 155M SFP transceivers with dependable diagnostic features. These single-mode BiDi modules integrated seamlessly, aligning the 1550nm transmit and 1310nm receive channels across our regional 35km link. Through standard SNMP monitoring, we pull highly accurate DDM statistics including transceiver temperature and laser bias current. The performance has been absolutely rock-solid with zero interface flaps or link degradation over months of continuous operation.

103 Helpful vote Comments

B***w

Germany

Verified Purchase

5 .0

2025-04-25

Clean eye pattern and low attenuation during our lab verification.

66 Helpful vote Comments

E***h

Romania

Verified Purchase

5 .0

2025-03-17

Installed these SFP modules in our municipal utility racks for local signal aggregation. Even with a high density of optical patch cords, they run cool and stay well within their temperature limits.

101 Helpful vote Comments

G***t

Spain

Verified Purchase

5 .0

2025-02-11

Flawless link-up on our edge switches, solid 155M throughput!

53 Helpful vote Comments

J***d

Brunei Darussalam

Verified Purchase

5 .0

2025-01-03

Needed to bridge a gap between two regional offices. These 155M modules achieved a completely clean link over our 30km single-mode fiber line. Not a single CRC error or dropped frame recorded during testing.

85 Helpful vote Comments