Do I need to run a duplex fiber cable to use this 155M 40km SFP module?

No, this is a BiDi (Bidirectional) transceiver that transmits (1550nm-TX) and receives (1310nm-RX) over a single strand of single-mode fiber (SMF) via a Simplex LC connector.

We are migrating a legacy utility SCADA network to fiber. Does this support 155Mbps SONET rates?

Yes, this 155M BiDi SFP transceiver is fully compliant with SONET OC-3 standards, making it perfect for critical legacy infrastructure upgrades.

We have unheated roadside cabinets in North Dakota where winters hit -35°C. Will this SFP hold up?

Absolutely. The LS-BL553101-40I is a true industrial-grade SFP module rated to perform flawlessly from -40°C up to +85°C.

Can our field technicians swap out a faulty transceiver on an active link without powering down the switch?

Yes, the module is fully hot-pluggable, allowing safe installation or removal while the host device is powered and running.

Can our centralized network management system pull real-time temperature and optical power via SNMP?

Yes, the built-in DOM/DDM feature continuously reports real-time diagnostics which can be easily polled by standard SNMP monitoring tools.

Breadcrumb: Home; Products; Optics Transceivers | SFP Modules; 1/2/4G Transceiver Modules; 100M SFP; 205660

Click to open expanded view

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

Name: LINK-PP LS-BL553101-40I 155M SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 205660
Price: 8.17 USD
Availability: InStock
Rating: 4.9 (21 reviews)

# 205660

Product: LINK-PP LS-BL553101-40I 155M SFP BiDi 1550nm-TX/1310nm-RX 40km Simplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 205660
P/N: LS-BL553101-40I
Price: $ 9.5
Stock: 150 in Stock
Sold: 950
Product URL: https://www.l-p.com/products/494042.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

New Users: $10 Coupon for Orders , Code: linkpp2610

21 Reviews

5 Questions

Request Stock

950 Sold

$ 9.5

Free shipping over $600, If you need a more favorable price, please contact us directly.

Qty (pcs) :

Unit Price :

$ 9.5

100

$ 9.025

1000

$ 8.74

3000

$ 8.455

6000

$ 8.17

Manufacture: LINK-PP

P/N: LS-BL553101-40I

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

Shipping:

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

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.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

Add to wish

Specifications

Specification
Videos
Matching Products
Download
Q&A
Customer Reviews

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

LS-BL553101-40I integrates a 1550nm-TX/1310nm-RX wavelength split to power 40km of single-fiber 155M SFP BiDi transmission via a simplex LC interface, maintaining steady operation across -40 to +85°C extremes with the safeguard of real-time digital optical monitoring.

LINK-PP Part Number	LS-BL553101-40I	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	-40 to 85°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

Videos

Matching Products

Pictures

ID#

Description

Price

Stock

Add to Cart

Download

Product Drawing

PDF
LS-BL553101-40I.pdf

Questions & Answers
Ask a Question

No data

Q: Do I need to run a duplex fiber cable to use this 155M 40km SFP module? By F***s on 2026-04-02

A: No, this is a BiDi (Bidirectional) transceiver that transmits (1550nm-TX) and receives (1310nm-RX) over a single strand of single-mode fiber (SMF) via a Simplex LC connector. By admin on 2026-04-03
Q: We are migrating a legacy utility SCADA network to fiber. Does this support 155Mbps SONET rates? By E***s on 2026-01-18

A: Yes, this 155M BiDi SFP transceiver is fully compliant with SONET OC-3 standards, making it perfect for critical legacy infrastructure upgrades. By admin on 2026-01-19
Q: We have unheated roadside cabinets in North Dakota where winters hit -35°C. Will this SFP hold up? By Z***n on 2025-11-14

A: Absolutely. The LS-BL553101-40I is a true industrial-grade SFP module rated to perform flawlessly from -40°C up to +85°C. By admin on 2025-11-15
Q: Can our field technicians swap out a faulty transceiver on an active link without powering down the switch? By T***n on 2025-08-08

A: Yes, the module is fully hot-pluggable, allowing safe installation or removal while the host device is powered and running. By admin on 2025-08-09
Q: Can our centralized network management system pull real-time temperature and optical power via SNMP? By M***n on 2025-03-26

A: Yes, the built-in DOM/DDM feature continuously reports real-time diagnostics which can be easily polled by standard SNMP monitoring tools. By admin on 2025-03-27

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}}%

All Reviews ({{comment.star_num?comment.star_num:comment.count}})

All Reviews

5 stars only

4 stars only

3 stars only

2 stars only

1 star only
Reviews with Pictures ( {{comment.pic_comment}} )
See All Reviews

No data

E***n

Turkey

Verified Purchase

5 .0

2026-04-29

Fast shipping, properly coded for our devices, absolutely love it!

68 Helpful vote Comments

J***n

Malaysia

Verified Purchase

5 .0

2026-04-11

Operating a metro broadband network requires us to find cost-effective ways to optimize our physical fiber plant. Upgrading our legacy links to these simplex LC BiDi SFP transceivers allowed us to immediately reclaim half of our single-mode fiber cores for new deployments. Compatibility with our multi-vendor edge devices is absolutely flawless with no custom configuration needed. The low power consumption keeps our solar-powered active cabinets running cool. It is an outstanding investment for any telecommunication operator looking to scale efficiently.

142 Helpful vote Comments

C***e

Bangladesh

Verified Purchase

5 .0

2026-03-08

Needed a reliable 155M BiDi SFP with DOM support for a campus fiber ring expansion. LINK-PP nailed it with this module. Plugs right into our FS switches and the DDM function without a hitch.

53 Helpful vote Comments

S***z

Norway

Verified Purchase

5 .0

2026-02-28

Perfect fit for our legacy SONET network upgrade. Hard to find reliable 155Mbps transceivers with a real industrial temperature range, but LINK-PP delivered.

105 Helpful vote Comments

M***s

Sweden

Verified Purchase

5 .0

2026-01-22

Very stable DOM readings. Tx power and bias current are rock solid in our monitoring software. No weird fluctuations like the cheap clones we bought on eBay before.

134 Helpful vote Comments

E***w

Germany

Verified Purchase

5 .0

2025-12-26

Working as a field engineer in harsh environments, I can confidently say that these industrial modules are built to last. The metal housing is robust, the simplex LC latch locks securely, and the pull-tab is extremely durable. We deployed them for a wind farm communication network where high vibration and sub-zero temperatures are constant. The real-time diagnostic monitoring is incredibly helpful, letting us track fiber health and optical power easily. This is a top-tier product for any rugged, long-range industrial networking project.

166 Helpful vote Comments

L***n

New Zealand

Verified Purchase

5 .0

2025-12-14

Tested the -30°C lower limit in our outdoor cabinet last night, solid as a rock.

44 Helpful vote Comments

M***y

Poland

Verified Purchase

5 .0

2025-12-12

The optical power budget is very generous on this 155M 40km SFP. Even with multiple patch panels and splices, we have plenty of margin left. Very forgiving SFP module!

150 Helpful vote Comments

W***r

Macao

Verified Purchase

4 .0

2025-11-24

The 155M BiDi SFP transceivers work flawlessly on our switches, but the shipping took two days longer than expected. If you have a tight project deadline, make sure to order a week in advance! Core product is absolutely 5-star though.

35 Helpful vote Comments

A***s

Singapore

Verified Purchase

5 .0

2025-11-18

No packet drops on our 32km backhaul link after a month of heavy testing.

89 Helpful vote Comments

E***n

Romania

Verified Purchase

5 .0

2025-11-03

Using these for wind turbine monitoring networks. The wide operating temperature range is critical for us, and these modules haven't glitched once in sub-zero weather.

92 Helpful vote Comments

A***s

Nepal

Verified Purchase

5 .0

2025-10-02

Using these for industrial Ethernet connections between remote pump stations. They handle the dust and temperature swings beautifully. The 1550nm TX is super clean. d(^_^)b

84 Helpful vote Comments

I***d

Russian Federation

Verified Purchase

5 .0

2025-09-07

Our fiber infrastructure team is super happy with these. Running Fast Ethernet over single-mode fiber simplex link saved us thousands in trenching new fibers.

57 Helpful vote Comments

D***r

Mexico

Verified Purchase

5 .0

2025-08-30

Our technical evaluation shows that the optical wavelengths are highly accurate and stable. The module easily extends the transmission range over our single-mode fiber links, which is perfect for our regional substations. On some older legacy switches, we just had to manually set the port speed to match the transceiver rate, and it connected instantly. Since then, the link has been up with zero packet losses during heavy traffic testing. The digital optical monitoring aligns perfectly with our inline power meters.

91 Helpful vote Comments

S***l

South Africa

Verified Purchase

5 .0

2025-08-23

No brainer for 40km long-haul links, cheap and reliable.

102 Helpful vote Comments

H***n

United States

Verified Purchase

5 .0

2025-07-19

We deployed 20 of these LS-BL553101-40I BiDi SFP modules for our highway IP camera backhaul. The Simplex LC port is a lifesaver when you're short on fiber cores. Definitely buying more for the next phase.

121 Helpful vote Comments

L***s

Thailand

Verified Purchase

5 .0

2025-06-05

Stable 155M transmission for our legacy Fast Ethernet over single-mode fiber.

53 Helpful vote Comments

H***r

Netherlands

Verified Purchase

5 .0

2025-05-14

As a lead network architect for a regional utility company, I highly recommend this industrial-grade BiDi SFP transceiver. We put these modules through extreme thermal testing inside our outdoor cabinets, and the wavelength stability remained incredibly solid. Over a long-distance single-mode fiber span, the receiver sensitivity held up perfectly with zero packet loss. The digital diagnostics integrate smoothly with our monitoring software to track real-time temperature and optical power. It is a highly reliable, telecom-grade product that offers incredible performance at a great price point.

138 Helpful vote Comments

A***s

Philippines

Verified Purchase

5 .0

2025-04-27

If you're looking for cheap single-mode LC BiDi modules that don't compromise on reliability, this is it. Clean optical eye diagram and very low jitter.

92 Helpful vote Comments

S***g

Maldives

Verified Purchase

4 .0

2025-04-05

The optical performance is excellent and the DOM telemetry is fully accurate. However, international customs clearance took longer than expected at the border, holding up our shipment for an extra three days. Once they arrived, they worked beautifully.

19 Helpful vote Comments

B***r

Ukraine

Verified Purchase

5 .0

2025-03-11

Awesome 1550nm-TX/1310nm-RX BiDi SFP module, running 35km flawlessly.

75 Helpful vote Comments