Will this 155M SFP BiDi module work in multi-vendor enterprise switches without configuration errors?

Yes, the module is fully compliant with standard multi-source agreements and is programmed for seamless compatibility with major multi-vendor networking hardware.

Can I use this 155M SFP transceiver over standard multi-mode fiber patching infrastructure?

No, this transceiver is strictly designed for single-mode fiber (SMF) infrastructure to achieve proper alignment and reach specifications.

How can we monitor if the module temperature is exceeding its safe operating limits?

You can utilize the integrated Digital Optical Monitoring (DOM) feature to read real-time module temperature metrics directly from your management console.

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Generic SFP-FE-BX Compatible LINK-PP 155M SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module

Name: Generic SFP-FE-BX Compatible LINK-PP 155M SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 214617
Price: 5.848 USD
Availability: InStock
Rating: 4.9 (24 reviews)

# 214617

Product: Generic SFP-FE-BX Compatible LINK-PP 155M SFP BiDi 1310nm-TX/1550nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module
SKU: 214617
P/N: LS-BL315501-20C
Price: $ 6.8
Stock: 1400 in Stock
Sold: 1.7K
Product URL: https://www.l-p.com/products/476904.htm

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

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Manufacture: LINK-PP

P/N: LS-BL315501-20C

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Brocade; D-Link; Extreme; Generic; Netgear

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 operates as a commercial-grade 155M SFP BiDi single-mode optical transceiver module, pairing a 1310nm FP laser with a 1550nm PIN photo detector across a hot-pluggable architecture to sustain seamless single-strand bidirectional spans up to 20km.

Generic Part Number	SFP-FE-BX	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1310nm-TX/1550nm-RX	Max Cable Distance	20km
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: Will this 155M SFP BiDi module work in multi-vendor enterprise switches without configuration errors? By E***e on 2026-03-15

A: Yes, the module is fully compliant with standard multi-source agreements and is programmed for seamless compatibility with major multi-vendor networking hardware. By admin on 2026-03-16
Q: Can I use this 155M SFP transceiver over standard multi-mode fiber patching infrastructure? By G***h on 2026-01-02

A: No, this transceiver is strictly designed for single-mode fiber (SMF) infrastructure to achieve proper alignment and reach specifications. By admin on 2026-01-03
Q: How can we monitor if the module temperature is exceeding its safe operating limits? By F***e on 2025-10-20

A: You can utilize the integrated Digital Optical Monitoring (DOM) feature to read real-time module temperature metrics directly from your management console. By admin on 2025-10-21

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Y***n

Netherlands

Verified Purchase

5 .0

2026-04-15

Perfect choice for Fast Ethernet infrastructure migrations. We needed a cost-efficient, standard-compliant solution for an older telecom sub-station upgrade requiring 155M optical transceivers. This module fits our technical criteria perfectly. The manufacturing build quality is excellent, with a precise mechanical casing that seats securely into standard SFP ports. In our testing lab, the optical spectrum analysis confirmed strict adherence to the specified wavelengths, and eye pattern testing demonstrated wide margins above standard thresholds. This ensures exceptional signal integrity over long-distance single-mode fiber topologies up to the 20km limit.

141 Helpful vote Comments

E***s

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2026-03-31

Real-world 15km link works great! We ran a line across our industrial site over single-mode fiber. Even with multiple patch panels creating slight attenuation, the 20km power margin leaves plenty of safety headroom. Clean links without packet loss.

66 Helpful vote Comments

W***d

Nepal

Verified Purchase

4 .0

2026-02-20

Arrived two days later than expected. The product specs match up perfectly with our single-mode fiber infrastructure, and the multi-vendor compatibility works as expected. The only downside was that local customs clearance delayed the delivery by two days, causing us to shift our maintenance schedule. Good thing the modules work fine.

129 Helpful vote Comments

B***e

Maldives

Verified Purchase

5 .0

2026-01-11

We deployed these in our climate-controlled indoor data room for a legacy Fast Ethernet migration. Operating temperatures are staying well within the commercial 0-70°C threshold. Will buy more for the next phase.

67 Helpful vote Comments

X***w

Norway

Verified Purchase

5 .0

2025-12-04

Best value for campus networking. Simplex LC interface saves a ton of fiber patching space.

47 Helpful vote Comments

A***d

Mexico

Verified Purchase

5 .0

2025-11-07

Great DOM monitoring feature! Having integrated Digital Optical Monitoring at this price point is amazing. We can track real-time transceiver temperature and optical power directly from our remote network management center. Very satisfied with the deployment!

48 Helpful vote Comments

J***y

Italy

Verified Purchase

4 .0

2025-10-31

Excellent compatibility, slower than expected shipping. Deployed these on a multi-vendor edge network and they synced immediately—no firmware issues at all. The hardware seems very robust for indoor use. However, standard shipping to our EU facility took longer than stated on the site. Good product, but plan ahead for delivery delays.

49 Helpful vote Comments

C***e

Macao

Verified Purchase

5 .0

2025-05-26

Needed some reliable 155M transceivers for our distributed multi-point network layout. These optical modules paired instantly without any software recognition errors or interface lockouts. Clear data streams all day.

33 Helpful vote Comments

M***y

Lithuania

Verified Purchase

5 .0

2024-06-29

Checkout and selection views of products was very good.

33 Helpful vote Comments

M***n

Canada

Verified Purchase

5 .0

2024-03-12

Competitive prices. Site is easy to use. Fast shipping.

51 Helpful vote Comments

M***s

United States

Verified Purchase

5 .0

2024-02-16

I got my order very quickly and was pleasantly surprised to see great quality of the item. It exceeded my expectations!

9 Helpful vote Comments

i***d

Israel

Verified Purchase

5 .0

2024-01-23

We have been with l-p.com for about 3 years. Our experience has always been positive. Their sales have always been able to help when we needed it. I highly recommend this site.

82 Helpful vote Comments

Y***o

Mexico

Verified Purchase

5 .0

2024-01-22

It is exactly what it says it is...perfect for diverting.

56 Helpful vote Comments

M***s

Poland

Verified Purchase

5 .0

2024-01-01

Would definitely recommend them to my friends and family for their excellent service and good 10/25/40G Transceiver Modules.

99 Helpful vote Comments

D***n

Philippines

Verified Purchase

5 .0

2023-10-17

My order of lan transformer arrived on time. Now they work fine with my Smart Meters.

83 Helpful vote Comments

S***s

Taiwan, Province of China

Verified Purchase

5 .0

2023-09-13

Placed a few orders over the years with Link-PP. Their customers service have been brilliant and very helpful in the past and I always found the prices very competitive.

36 Helpful vote Comments

Y***n

United States

Verified Purchase

5 .0

2023-08-29

Order arrived undamaged and in expected time frame. Perfectly done, thanks."

48 Helpful vote Comments

J***r

Malaysia

Verified Purchase

5 .0