Can this industrial-grade transceiver withstand harsh outdoor cabinet environments with extreme winter cold and summer heat?

Yes. The LS-SM5501-A2I is specifically engineered for industrial environments with an operating temperature range of -40°C to +85°C (-40°F to +185°F). It features ruggedized components built for unconditioned outdoor enclosures, roadside cabinets, utility substations, and industrial automation networks.

Is the LINK-PP LS-SM5501-A2I 155M SFP 120km optic compatible with industrial switches like Moxa, Siemens, RuggedCom, and Cisco IE?

Yes, absolutely. The LS-SM5501-A2I is pre-coded with broad OEM compatibility for industrial networking equipment including Moxa, Siemens SCALANCE, RuggedCom, Hirschmann, Cisco IE series, and Huawei. It operates plug-and-play without generating third-party optic warnings or requiring custom CLI overrides.

What fiber type and optical budget are required to achieve the full 120km transmission distance at 155Mbps?

This module uses a 1550nm wavelength laser and standard Duplex LC connector designed for Single Mode Fiber (SMF, OS1/OS2). To reach up to 120km at 155Mbps Fast Ethernet / OC-3 speeds, ensure your total fiber link attenuation (including splices and connectors) stays within the module's optical power budget margin. Built-in DOM/DDM allows real-time optical power monitoring to verify link health.

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LINK-PP LS-SM5501-A2I 155M SFP 1550nm 120km DOM Duplex LC SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-SM5501-A2I 155M SFP 1550nm 120km DOM Duplex LC SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 183335
Price: 23.048 USD
Availability: InStock
Rating: 4.9 (22 reviews)

# 183335

Product: LINK-PP LS-SM5501-A2I 155M SFP 1550nm 120km DOM Duplex LC SMF Optical Transceiver Module (Industrial)
SKU: 183335
P/N: LS-SM5501-A2I
Price: $ 26.8
Stock: 660 in Stock
Sold: 550
Product URL: https://www.l-p.com/products/478317.htm

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Compatible:: LINK-PP

Compatible P/N:: LS-SM3101-10C | 10km; LS-SM3101-10I | 10km; LS-SM3101-15C | 15km; LS-SM3101-20C | 20km; LS-SM3101-20I | 20km; LS-SM3101-40C | 40km; LS-SM3101-40I | 40km; LS-SM5501-80C | 80km; LS-SM5501-80I | 80km; LS-SM5501-A2C | 120km; LS-SM5501-A2I | 120km

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LINK-PP LS-SM5501-A2I 155M SFP Specifications

The LINK-PP LS-SM5501-A2I 155M SFP transceiver module operates at a 1550nm wavelength and delivers 155Mbps data transmission over single-mode fiber (SMF) for distances of up to 120km.

LINK-PP Part Number	LS-SM5501-A2I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	155Mbps
Wavelength	1550nm	Max Cable Distance	120km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
DOM Support	Yes	Receiver Sensitivity	< -34dBm
TX Power	-2 to +3dBm	RX Power	-34 to -6dBm
Operating Temperature Range	-40 to 85°C	Protocols	GR-468, MSA Compliant

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Q: Can this industrial-grade transceiver withstand harsh outdoor cabinet environments with extreme winter cold and summer heat? By I***s on 2026-02-03

A: Yes. The LS-SM5501-A2I is specifically engineered for industrial environments with an operating temperature range of -40°C to +85°C (-40°F to +185°F). It features ruggedized components built for unconditioned outdoor enclosures, roadside cabinets, utility substations, and industrial automation networks. By admin on 2026-02-03
Q: Is the LINK-PP LS-SM5501-A2I 155M SFP 120km optic compatible with industrial switches like Moxa, Siemens, RuggedCom, and Cisco IE? By B***n on 2025-11-27

A: Yes, absolutely. The LS-SM5501-A2I is pre-coded with broad OEM compatibility for industrial networking equipment including Moxa, Siemens SCALANCE, RuggedCom, Hirschmann, Cisco IE series, and Huawei. It operates plug-and-play without generating third-party optic warnings or requiring custom CLI overrides. By admin on 2025-11-28
Q: What fiber type and optical budget are required to achieve the full 120km transmission distance at 155Mbps? By S***s on 2024-03-09

A: This module uses a 1550nm wavelength laser and standard Duplex LC connector designed for Single Mode Fiber (SMF, OS1/OS2). To reach up to 120km at 155Mbps Fast Ethernet / OC-3 speeds, ensure your total fiber link attenuation (including splices and connectors) stays within the module's optical power budget margin. Built-in DOM/DDM allows real-time optical power monitoring to verify link health. By admin on 2024-03-10

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E***e

Australia

Verified Purchase

5 .0

2026-06-28

Using these for pipeline remote telemetry stations. -40°C winter capability gives us peace of mind. Single mode fiber connection is rock solid. =)

20 Helpful vote Comments

J***k

Ireland

Verified Purchase

4 .0

2026-06-14

Works fine across our 105km dark fiber span between power substations. 1550nm laser output is steady and DOM power readings are accurate in Hirschmann CLI. Box was slightly squashed during transport, but optics were safe in ESD packaging.

49 Helpful vote Comments

A***y

Belgium

Verified Purchase

5 .0

2026-04-20

We purchased these 155M 1550nm 120km Duplex LC SMF transceivers for long-distance perimeter security camera backhaul along remote solar farms. The optics locked onto the signal instantly across 108km SMF. Low power consumption helps keep cabinet thermals low while maintaining high optical transmit power.

65 Helpful vote Comments

J***z

Israel

Verified Purchase

5 .0

2026-02-28

Great ultra long-haul transceiver for railway signaling telemetry. Transmit power at 1550nm provides strong optical budget margin over our 110km SMF link.

38 Helpful vote Comments

L***r

Bangladesh

Verified Purchase

5 .0

2026-02-20

Ordered a batch for utility substation networking. Industrial temp rating -40°C to 85°C handles harsh outdoor cabinet heat without signal degradation. Very impressed with Link-PP quality. :-)

56 Helpful vote Comments

J***z

Indonesia

Verified Purchase

5 .0

2025-10-01

Great price, fast sync.

38 Helpful vote Comments

L***n

Brunei Darussalam

Verified Purchase

5 .0

2025-08-23

Needed Fast Ethernet optics for long range wind farm monitoring. Duplex LC SMF interface connected easily to our patch panel. Excellent value for money. =D

64 Helpful vote Comments

B***r

Morocco

Verified Purchase

5 .0

2025-07-28

Replaced expensive OEM transceivers with this 155Mbps 120km SFP module on Siemens SCALANCE switches. EEPROM recognized without warnings. DOM monitoring reports steady voltage and laser bias. :D

56 Helpful vote Comments

M***t

Philippines

Verified Purchase

4 .0

2025-06-02

Solid 155M 120km industrial SFP module for remote SCADA links. Operating reliably in our outdoor cabinet at -25°C. Arrived two days later than expected due to carrier delays, but product quality is top tier. =)

30 Helpful vote Comments

N***g

Finland

Verified Purchase

5 .0

2025-05-06

Deployed these Fast Ethernet 120km industrial SFP modules on our dark fiber backbone for traffic management sensors. Broad OEM compatibility made integration painless across mixed Cisco and Hirschmann switches. Duplex LC connectors fit firmly into high-density patch fields, and DOM telemetry gives real-time optical power visibility. :-)

40 Helpful vote Comments

A***n

South Africa

Verified Purchase

5 .0

2025-03-06

Excellent performance for municipal water telemetry network expansion. The industrial grade rating from -40°C to +85°C was essential for our outdoor pole-mounted switch cabinets. The 1550nm DFB laser output provides plenty of system gain to overcome optical patch panel insertion losses over a 100km link span. =)

85 Helpful vote Comments

S***n

Maldives

Verified Purchase

5 .0

2025-02-09

Rock solid 120km optic.

35 Helpful vote Comments

D***e

South Africa

Verified Purchase

5 .0

2025-02-08

Worked perfectly! ;)

70 Helpful vote Comments

J***s

Indonesia

Verified Purchase

5 .0

2024-12-23

Seamless compatibility with Cisco IE3000 switches. Plugged in, link came up in seconds. DDM optics module telemetry integrates directly into our SNMP platform.

92 Helpful vote Comments

E***s

United Kingdom

Verified Purchase

5 .0

2024-07-22

Tested across 100km dark fiber line. Receiver sensitivity is fantastic and zero frame drops observed during 48-hour continuous ping tests. Highly recommend for industrial networks. ;)

31 Helpful vote Comments

B***n

Malaysia

Verified Purchase

5 .0

2024-06-02

Flawless drop-in replacement for costly tier-1 legacy SONET/SDH and Fast Ethernet SFP modules. We conducted 72-hour bit error rate testing across a 120km fiber spool in our lab. Zero packet loss, steady laser bias current, and crystal-clear DOM telemetry reported directly to our network management software. Very satisfied with Link-PP optics.

69 Helpful vote Comments

S***g

Turkey

Verified Purchase

5 .0

2024-06-01

Top grade 155Mbps DOM optics module for remote infrastructure monitoring. Fast shipping and solid hardware performance across long distances. :-D

40 Helpful vote Comments

R***s

India

Verified Purchase

5 .0

2024-04-29

Plug and play. =D

36 Helpful vote Comments

P***n

Hungary

Verified Purchase

5 .0

2024-03-26

Installed this 155M SFP 1550nm 120km optic into a Moxa industrial switch. Link established immediately over 95km single mode fiber. DDM telemetry displays precise optical power levels.

31 Helpful vote Comments

J***z

Maldives

Verified Purchase

5 .0

2024-03-18

Hardened industrial transceiver that delivers true wide-temperature reliability. Tested inside unconditioned NEMA roadside enclosures through severe weather swings. Operating temperature DOM metrics stayed stable while carrying SCADA control traffic at 155Mbps line rate. Complete compatibility with RuggedCom and Cisco IE series switches without console warnings. :-D

45 Helpful vote Comments

P***z

Malaysia

Verified Purchase

5 .0

2024-03-01

Rugged industrial grade. :-D

74 Helpful vote Comments

C***s

Austria

Verified Purchase

5 .0

2024-02-25

Outstanding ultra long-haul optic for critical utility automation. We deployed a pair of these LS-SM5501-A2I modules to bridge two electrical substations 112km apart over OS2 single mode fiber. Transmit optical budget is exceptional with clean 1550nm signal attenuation delta. DOM diagnostics match our optical time-domain reflectometer (OTDR) trace readings within 0.1dBm.

57 Helpful vote Comments