Is the 1550nm wavelength sensitive to macrobending losses if the fiber patch cords are tightly routed in high-density management trays?

Yes, 1550nm light is more vulnerable to bending losses than 1310nm, so you must maintain the standard minimum bend radius for your SMF cabling.

If our indoor server room suffers a cooling failure, what is the maximum safe storage/non-operational thermal limit for this module?

The transceiver can withstand non-operational ambient warehouse exposure ranging from -40°C up to +85°C without experiencing degradation of its internal optical components.

Can the built-in DDM track sudden environmental voltage drops that might threaten link stability in remote field offices?

Yes, the module constantly samples host supply voltage alongside optical metrics, flagging anomalies before physical link loss occurs.

Does the digital optical diagnostic interface require a separate polling frequency, or does it stream metrics continuously?

The DOM parameters are continuously updated on the transceiver's internal registry, allowing your network monitoring software to poll the physical data in real time.

Can this module successfully overcome an older 65km single-mode run that has multiple bad splices and high patch panel loss?

It depends on your total link budget; this module offers a robust power budget designed specifically to handle the attenuation of long-haul single-mode lines.

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H3C SFP-FE-LH80-SM1550 Compatible LINK-PP 155M SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module

Name: H3C SFP-FE-LH80-SM1550 Compatible LINK-PP 155M SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 214623
Price: 15.05 USD
Availability: InStock
Rating: 5 (21 reviews)

# 214623

Product: H3C SFP-FE-LH80-SM1550 Compatible LINK-PP 155M SFP 1550nm 80km Duplex LC DOM SMF Optical Transceiver Module
SKU: 214623
P/N: LS-SM5501-80C
Price: $ 17.5
Stock: 2993 in Stock
Sold: 661
Product URL: https://www.l-p.com/products/476888.htm

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For Order Over $5000 Get $100.00 Off , Code: Linkpp100

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Manufacture: LINK-PP

P/N: LS-SM5501-80C

Compatible:: Cisco; LINK-PP; Avaya; Brocade; DELL; Extreme; H3C; HPE H3C; HW; Juniper

Compatible P/N:: SFP-FE-LX-SM1310-D | 10km; SFP-GE/FE-LX10-SM1310 | 10km; SFP-FE-LX-SM1310-A | 15km; SFP-FE-LX20-SM1310-D | 20km; JD090A | 40km; SFP-FE-LH40-SM1310 | 40km; SFP-FE-LH80-SM1550 | 80km

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H3C SFP-FE-LH80-SM1550 Compatible LINK-PP 155M SFP Specifications

SFP-FE-LH80-SM1550 drives long-haul connectivity as a hot-pluggable, commercial-grade 155M SFP single-mode optical module that leverages a 1550nm wavelength to sustain robust Fibre Channel and Ethernet links across an impressive 80km span.

H3C Part Number	SFP-FE-LH80-SM1550	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1550nm	Max Cable Distance	80km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	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	GR-468, MSA Compliant

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Q: Is the 1550nm wavelength sensitive to macrobending losses if the fiber patch cords are tightly routed in high-density management trays? By I***k on 2026-03-01

A: Yes, 1550nm light is more vulnerable to bending losses than 1310nm, so you must maintain the standard minimum bend radius for your SMF cabling. By admin on 2026-03-02
Q: If our indoor server room suffers a cooling failure, what is the maximum safe storage/non-operational thermal limit for this module? By L***n on 2026-01-29

A: The transceiver can withstand non-operational ambient warehouse exposure ranging from -40°C up to +85°C without experiencing degradation of its internal optical components. By admin on 2026-01-30
Q: Can the built-in DDM track sudden environmental voltage drops that might threaten link stability in remote field offices? By H***e on 2025-12-09

A: Yes, the module constantly samples host supply voltage alongside optical metrics, flagging anomalies before physical link loss occurs. By admin on 2025-12-10
Q: Does the digital optical diagnostic interface require a separate polling frequency, or does it stream metrics continuously? By K***e on 2025-11-11

A: The DOM parameters are continuously updated on the transceiver's internal registry, allowing your network monitoring software to poll the physical data in real time. By admin on 2025-11-12
Q: Can this module successfully overcome an older 65km single-mode run that has multiple bad splices and high patch panel loss? By J***k on 2025-08-25

A: It depends on your total link budget; this module offers a robust power budget designed specifically to handle the attenuation of long-haul single-mode lines. By admin on 2025-08-26

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O***y

Israel

Verified Purchase

5 .0

2026-01-30

Solid choice for infrastructure contractors. We deployed these for a base station backhaul setup over single-mode fiber. The duplex LC interface fits firmly without loose connections.

60 Helpful vote Comments

D***h

Canada

Verified Purchase

5 .0

2026-01-04

Standard duplex LC clicks in perfectly, zero CRC errors on the port so far.

32 Helpful vote Comments

N***e

India

Verified Purchase

5 .0

2025-11-21

Our main objective was to link two remote pump stations using existing single-mode fiber infrastructure. These transceivers matched the required 155Mbps signaling rate perfectly. Firmware synchronization with our core enterprise switches worked right out of the box, avoiding any unverified transceiver blockages. Eye pattern captures during staging showed wide openings with clean jitter parameters. Operating temperatures in our indoor cabinets have leveled out at around 38°C, safe within the 0-70°C commercial specification.

152 Helpful vote Comments

C***d

Belarus

Verified Purchase

5 .0

2025-09-28

Tested the optical spectrum stability under continuous load. The 1550nm center wavelength remains steady with zero drift. Perfect fit for standard duplex LC patch cables.

45 Helpful vote Comments

M***s

Iran, Islamic Republic of

Verified Purchase

5 .0

2025-08-11

Replaced some aging optics in our metro backhaul line with these LS-SM5501-80C 155M SFP modules. The 1550nm laser maintains great signal stability over a 68km span. Tracking metrics via DOM shows normal thresholds.

26 Helpful vote Comments

E***n

Brazil

Verified Purchase

5 .0

2025-02-28

Excellent value for 80km single-mode fiber links, ordering another batch soon.

41 Helpful vote Comments

H***r

United States

Verified Purchase

5 .0

2024-04-17

I have used the Chat process with other companies. I can't say enough good things about LINK-PP and their interactions with customers! Simply one of the best I have encountered!! A company with great service!

26 Helpful vote Comments

L***s

Finland

Verified Purchase

5 .0

2024-04-07

Link-pp was based on their product quality, coupled with good service and price, which won the praise of our company.

44 Helpful vote Comments

S***o

Brazil

Verified Purchase

5 .0

2024-03-11

This website is great and easy to use!

35 Helpful vote Comments

s***h

Iran, Islamic Republic of

Verified Purchase

5 .0

2024-02-19

Wanted some stuff at reasonable price. Order immediately processed. Very pleased with price.

39 Helpful vote Comments

D***o

Hong Kong

Verified Purchase

5 .0

2024-02-16

The 10/25/40G Transceiver Modules are cheap, but quality, packages are all good. Cost effective.

34 Helpful vote Comments

I***e

United States

Verified Purchase

5 .0

2024-02-01

Worked perfectly out of the box. Fast shipping.

88 Helpful vote Comments

L***i

Hong Kong

Verified Purchase

5 .0

2024-01-29

the site is really nice , i love how their costumer service treat us

85 Helpful vote Comments

B***n

Bulgaria

Verified Purchase

5 .0

2024-01-08

Worked fine in a DELL PoE switch.

18 Helpful vote Comments

R***a

Japan

Verified Purchase

5 .0

2023-09-04

Fast delivery, accurate order. Very pleased.

21 Helpful vote Comments

V***r

Ukraine

Verified Purchase

5 .0

2023-06-28

Extremely Fast to ship and super easy to order from the website, & speedy service. Thank you!

41 Helpful vote Comments

M***e

Macao

Verified Purchase

5 .0

2023-04-01

Have ordered from them many, many times. Never a problem!

139 Helpful vote Comments

R***S

Indonesia

Verified Purchase

5 .0

2023-03-26

I'm very happy with my transaction and purchase. The Optical Transceiver Module works with no issue. I would definitely recommend this company for customer service and speed. I will be purchasing from them again in the future.

103 Helpful vote Comments

J***x

Maldives

Verified Purchase

5 .0

2023-03-12

With their wide variety of Optical Transceiver Modules and unbeatable prices, this is the first company I come to when in need of Optical Transceivers. Shipping is Fast and everything is well packaged.

124 Helpful vote Comments

V***r

United States

Verified Purchase

5 .0

2023-01-27

Quality products,Quality service,And Fast delivery highly recommend.

42 Helpful vote Comments

O***e

Canada

Verified Purchase

5 .0