What exact type of fiber patch cord do we need to connect this LS-BL553101-80I module to our high-density patch panel?

You will need a standard 9/125µm Single Mode Fiber (SMF) patch cable terminated with a Simplex LC connector.

If we experience a sudden optical link flap, can we use the DDM features to troubleshoot the physical fiber health?

Yes, you can instantly pull up real-time Rx power levels via the DDM to check if there is a physical bend or dirty splice causing excessive attenuation.

Does this 155M SFP transceiver comply with RoHS environmental and safety standards for European import?

Yes, the LS-BL553101-80I is fully RoHS-compliant, lead-free, and meets all major international safety regulations including CE and FCC.

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LINK-PP LS-BL553101-80I 155M SFP BiDi 1550nm-TX/1310nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-BL553101-80I 155M SFP BiDi 1550nm-TX/1310nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 205662
Price: 9.46 USD
Availability: InStock
Rating: 4.9 (24 reviews)

# 205662

Product: LINK-PP LS-BL553101-80I 155M SFP BiDi 1550nm-TX/1310nm-RX 80km Simplex LC DDM SMF Optical Transceiver Module (Industrial)
SKU: 205662
P/N: LS-BL553101-80I
Price: $ 11
Stock: 220 in Stock
Sold: 1.9K
Product URL: https://www.l-p.com/products/494044.htm

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Manufacture: LINK-PP

P/N: LS-BL553101-80I

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-BL553101-80I 155M SFP Specifications

LS-BL553101-80I is an industrial-grade 155M BiDi SFP optical transceiver featuring a 1550nm-TX / 1310nm-RX wavelength configuration, supporting transmission distances up to 80km, operating reliably across a -40°C to +85°C temperature range, and equipped with a simplex LC interface, DFB laser transmitter, and PIN photodiode for stable optical signal conversion.

LINK-PP Part Number	LS-BL553101-80I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1550nm-TX/1310nm-RX	Max Cable Distance	80km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-5 to +2dBm	Receiver Sensitivity	-32dBm
RX Power	-32 to -6dBm	DOM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: What exact type of fiber patch cord do we need to connect this LS-BL553101-80I module to our high-density patch panel? By T***n on 2026-01-06

A: You will need a standard 9/125µm Single Mode Fiber (SMF) patch cable terminated with a Simplex LC connector. By admin on 2026-01-07
Q: If we experience a sudden optical link flap, can we use the DDM features to troubleshoot the physical fiber health? By H***r on 2025-12-28

A: Yes, you can instantly pull up real-time Rx power levels via the DDM to check if there is a physical bend or dirty splice causing excessive attenuation. By admin on 2025-12-29
Q: Does this 155M SFP transceiver comply with RoHS environmental and safety standards for European import? By I***y on 2025-03-12

A: Yes, the LS-BL553101-80I is fully RoHS-compliant, lead-free, and meets all major international safety regulations including CE and FCC. By admin on 2025-03-13

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A***y

Canada

Verified Purchase

5 .0

2026-05-10

Exactly what we needed for our smart grid fiber ring. Robust industrial-grade BiDi SFP optical transceiver.

48 Helpful vote Comments

B***n

Norway

Verified Purchase

5 .0

2026-05-06

For our high-voltage power transmission line monitoring, we needed an ultra-reliable, long-haul optical link. The 80km optical power budget of the LS-BL553101-80I 155M SFP allowed us to bypass multiple intermediate repeater stations. Since these are fiber optic transceivers rated for -40°C to +85°C, they handle the high EMI and ambient temperature spikes of power substations. DDM DOM features let our NOC engineers monitor optical signal attenuation changes over time, helping us perform preventative fiber maintenance before any real circuit outage occurs. Outstanding network component.

120 Helpful vote Comments

C***r

Canada

Verified Purchase

4 .0

2026-04-18

A massive winter storm delayed the courier truck by three days here in Ontario, but ironically, these wide-temp modules proved their worth immediately in our outdoor terminal cabinets at -25°C. Great product, just a weather-delayed delivery.

17 Helpful vote Comments

R***e

Sweden

Verified Purchase

5 .0

2026-02-20

Clean optical signals over our longest span. Outstanding industrial-grade 80km SFP performance!

87 Helpful vote Comments

J***e

Norway

Verified Purchase

5 .0

2026-02-12

Needed to establish an OC-3 connection to an offshore platform onshore hub. This industrial 155M SFP BiDi 80km transceiver did the trick effortlessly. Rx power levels are completely within spec.

66 Helpful vote Comments

E***t

Poland

Verified Purchase

5 .0

2026-01-25

These are reliable industrial-grade 155M SFP BiDi optical transceivers. We have had 50 modules running for over 2 months continuously in our traffic control networks with zero hardware failures.

86 Helpful vote Comments

S***l

Thailand

Verified Purchase

5 .0

2026-01-02

Perfect Fast Ethernet SFP BiDi optical modules, DDM readings are spot on in our extreme winter.

82 Helpful vote Comments

P***s

Sweden

Verified Purchase

5 .0

2025-12-30

Hardy little transceivers. Tested -30°C in our Northern Sweden hub and they didn't flinch.

69 Helpful vote Comments

A***l

Nepal

Verified Purchase

5 .0

2025-12-09

Our metropolitan rapid transit system uses fiber networks for signaling, emergency telephony, and video feeds. The LS-BL553101-80I was selected for our wayside signaling network because of its strict compliance with Fast Ethernet SFP 80km BiDi specifications and robust industrial construction. The module's performance is unaffected by the continuous physical vibrations and high humidity of subway tunnels. The DDM telemetry was immediately recognized by our SNMP-based monitoring tools, allowing us to keep real-time tabs on laser bias currents. Truly a professional-grade solution for transit and industrial automation networks.

92 Helpful vote Comments

A***r

Sweden

Verified Purchase

5 .0

2025-11-20

Top quality. The industrial-grade housing feels sturdy, and the gold contacts are clean and perfectly aligned. Excellent packaging with individual anti-static packaging.

60 Helpful vote Comments

D***t

Turkey

Verified Purchase

5 .0

2025-10-18

80km over simplex LC single-mode fiber is no joke, but these modules delivered stable 155M links!

59 Helpful vote Comments

S***y

United States

Verified Purchase

5 .0

2025-10-05

As an optical network architect, I put the LS-BL553101-80I 155M BiDi SFP module through our lab's rigorous OTDR and optical spectrum analyzer sweeps. The 1550nm-TX distributed feedback (DFB) laser exhibits an exceptionally narrow spectral width, which is absolutely critical for mitigating chromatic dispersion over the rated 80km SMF span. The Simplex LC port is precision-molded with minimal insertion loss. Real-time DDM/DOM telemetry reported internal parameters (temperature, bias current, and transceiver voltage) with less than 2% deviation from our external laboratory calibration meters. This industrial-grade SFP transceiver is highly recommended for mission-critical industrial Ethernet and SDH networks where reliability under extreme thermal environments cannot be compromised.

163 Helpful vote Comments

S***l

Bangladesh

Verified Purchase

5 .0

2025-09-18

We are using these 1550nm-TX 1310nm-RX SFP modules for utility substation SCADA communications. Excellent isolation and highly stable under heavy electromagnetic interference.

116 Helpful vote Comments

C***h

Russian Federation

Verified Purchase

4 .0

2025-09-11

The LS-BL553101-80I modules perform brilliantly on our 75km link, but the carrier held up the delivery at their regional sorting facility for an extra three days. It was an annoying delay when we were on a tight project schedule, but the actual SFP performance is flawless.

29 Helpful vote Comments

G***l

Russian Federation

Verified Purchase

5 .0

2025-08-06

We use these for SDH STM transport. Optical budget is exceptional for an 80km-rated module. Jitter is virtually non-existent. Highly satisfied!

96 Helpful vote Comments

B***y

Ukraine

Verified Purchase

5 .0

2025-07-26

No packet loss at all on our 72km test run. Truly hardened 155M SFP modules.

64 Helpful vote Comments

C***s

Sweden

Verified Purchase

5 .0

2025-07-16

We operate a massive utility SCADA network across northern Sweden, where winter temperatures routinely drop below -30°C. We transitioned to the LINK-PP industrial-grade 155M 80km SFP BiDi module to replace failing standard-temperature transceivers in our outdoor substation enclosures. These SFP transceivers have operated continuously through the deep freeze with zero packet dropouts or optical power drift. The 1550nm-TX / 1310nm-RX design paired flawlessly with our existing modules. Our network management system polls the DOM data hourly, and the Tx/Rx power levels remain incredibly stable. Excellent hardware engineering!

133 Helpful vote Comments

E***d

Singapore

Verified Purchase

5 .0

2025-06-14

Great value Fast Ethernet SFP. Easily matches the performance of modules three times the price. DDM is highly responsive on our switches.

106 Helpful vote Comments

A***y

Poland

Verified Purchase

5 .0

2025-06-08

Perfect for rugged fiber transceiver 80km applications. We have them mounted in non-temperature controlled roadside cabinets and they handle the extreme afternoon heat nicely.

87 Helpful vote Comments

N***e

Philippines

Verified Purchase

5 .0

2025-05-24

Ordered a batch of 150 for a campus network expansion. Every single module was tested before installation and all passed DDM calibration perfectly. Will buy again!

74 Helpful vote Comments

I***h

Germany

Verified Purchase

4 .0

2025-05-12

Fantastic industrial -grade BiDi SFP modules! I'm only docking a star because German customs took their sweet time clearing the shipment, delaying our local SCADA ring deployment by a week. Once we plugged them in, the DDM readouts were immediately spot on.

33 Helpful vote Comments

C***n

United States

Verified Purchase

5 .0

2025-04-22

We deployed these LINK-PP LS-BL553101-80I BiDi SFP transceivers in our municipal water treatment plant's fiber rings. The -40 to +85°C wide-temperature rating gives us peace of mind during seasonal swings. Flawless DOM monitoring.

46 Helpful vote Comments

I***n

Singapore

Verified Purchase

5 .0

2025-04-07

Replacing dual-fiber with these 1550nm-TX/1310nm-RX BiDi SFP modules doubled our capacity instantly!

75 Helpful vote Comments

C***e

Romania

Verified Purchase

5 .0

2025-03-30

The DOM reporting is highly accurate, displaying temperature, voltage, bias current, and optical power. Very helpful for proactive maintenance in our rail communication networks.

155 Helpful vote Comments