Is the LINK-PP LS-SM3106-20C transceiver compatible with Cisco, Juniper, and Mikrotik switches out of the box, or does it require custom EEPROM coding?

The LS-SM3106-20C is fully compliant with the SFP Multi-Source Agreement (MSA) standard, ensuring plug-and-play compatibility with open-standard platforms like Mikrotik and Ubiquiti. For vendor-restricted systems such as Cisco, Juniper, Brocade, or Dell, LINK-PP provides pre-coded EEPROM configurations upon request. Simply specify your target switch hardware model during checkout or contact support for customized compatibility coding.

Can I use this 20km 1310nm single-mode fiber (SMF) SFP transceiver for short-distance patch connections (e.g., under 100 meters) without damaging the optical receiver?

Yes, you can use it over short fiber runs. The transmitter power output ranges between -15 dBm and -8 dBm, while the receiver overload threshold is -8 dBm. Since the maximum output power does not exceed the receiver overload limit, short-range connections will not saturate or damage the PIN photodiode receiver, and an optical attenuator is generally not required for short testing or patch links.

What is the difference between this commercial-grade module and industrial-grade modules, and what are the operating temperature limits?

The LS-SM3106-20C is a commercial-grade optical module with an operating case temperature range of 0°C to 70°C (32°F to 158°F), ideal for indoor data centers, enterprise wiring closets, and climate-controlled switch rooms. If your deployment involves harsh outdoor cabinets or unconditioned environments, we recommend choosing the industrial-grade variant (LS-SM3106-20I), which operates from -40°C to 85°C (-40°F to 185°F).

Does this 622M SFP module support Digital Diagnostics Monitoring (DDM/DOM), and what parameters can be tracked remotely?

Yes, the LS-SM3106-20C fully supports real-time Digital Diagnostics Monitoring (DDM/DOM) according to SFF-8472 specifications. Network engineers can remotely monitor key operating parameters through the host device's CLI or SNMP interface, including transceiver temperature, supply voltage, laser bias current, optical transmit power (TX), and optical receive power (RX).

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LINK-PP LS-SM3106-20C 622M SFP 1310nm 20km DOM Duplex LC SMF Optical Transceiver Module

Name: LINK-PP LS-SM3106-20C 622M SFP 1310nm 20km DOM Duplex LC SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 184401
Price: 11.55 USD
Availability: InStock
Rating: 4.9 (24 reviews)

# 184401

Product: LINK-PP LS-SM3106-20C 622M SFP 1310nm 20km DOM Duplex LC SMF Optical Transceiver Module
SKU: 184401
P/N: LS-SM3106-20C
Price: $ 13.43
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Compatible P/N:: LS-MM3106-02C | 2km; LS-MM3106-02I | 2km; LS-SM3106-02I | 2km; LS-SM3106-20C | 20km; LS-SM3106-20I | 20km; LS-SM3106-40C | 40km; LS-SM3106-40I | 40km

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LINK-PP LS-SM3106-20C 622M SFP Specifications

The LINK-PP LS-SM3106-20C is a high-performance SFP transceiver with a wavelength of 1310nm and a throughput of 622Mbps. It is optimized for single-mode fiber deployments and extends network connectivity up to 20km while maintaining reliable signal integrity.

LINK-PP Part Number	LS-SM3106-20C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	622Mbps
Wavelength	1310nm	Max Cable Distance	20km
Connector	Duplex LC	Media	SMF
Transmitter Type	FP	Receiver Type	PIN
TX Power	-15 to -8dBm	RX Power	-32 to -6dBm
Receiver Sensitivity	<-28dBm	Receiver Overload	-8dBm
Operating Temperature Range	0 to 70°C	Protocols	MSA Compliant

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Q: Is the LINK-PP LS-SM3106-20C transceiver compatible with Cisco, Juniper, and Mikrotik switches out of the box, or does it require custom EEPROM coding? By C***a on 2026-04-24

A: The LS-SM3106-20C is fully compliant with the SFP Multi-Source Agreement (MSA) standard, ensuring plug-and-play compatibility with open-standard platforms like Mikrotik and Ubiquiti. For vendor-restricted systems such as Cisco, Juniper, Brocade, or Dell, LINK-PP provides pre-coded EEPROM configurations upon request. Simply specify your target switch hardware model during checkout or contact support for customized compatibility coding. By admin on 2026-04-25
Q: Can I use this 20km 1310nm single-mode fiber (SMF) SFP transceiver for short-distance patch connections (e.g., under 100 meters) without damaging the optical receiver? By B***n on 2025-04-15

A: Yes, you can use it over short fiber runs. The transmitter power output ranges between -15 dBm and -8 dBm, while the receiver overload threshold is -8 dBm. Since the maximum output power does not exceed the receiver overload limit, short-range connections will not saturate or damage the PIN photodiode receiver, and an optical attenuator is generally not required for short testing or patch links. By admin on 2025-04-15
Q: What is the difference between this commercial-grade module and industrial-grade modules, and what are the operating temperature limits? By E***z on 2024-12-16

A: The LS-SM3106-20C is a commercial-grade optical module with an operating case temperature range of 0°C to 70°C (32°F to 158°F), ideal for indoor data centers, enterprise wiring closets, and climate-controlled switch rooms. If your deployment involves harsh outdoor cabinets or unconditioned environments, we recommend choosing the industrial-grade variant (LS-SM3106-20I), which operates from -40°C to 85°C (-40°F to 185°F). By admin on 2024-12-17
Q: Does this 622M SFP module support Digital Diagnostics Monitoring (DDM/DOM), and what parameters can be tracked remotely? By D***e on 2024-05-02

A: Yes, the LS-SM3106-20C fully supports real-time Digital Diagnostics Monitoring (DDM/DOM) according to SFF-8472 specifications. Network engineers can remotely monitor key operating parameters through the host device's CLI or SNMP interface, including transceiver temperature, supply voltage, laser bias current, optical transmit power (TX), and optical receive power (RX). By admin on 2024-05-03

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O***l

Hong Kong

Verified Purchase

5 .0

2026-02-26

Deployed these for municipal security camera backhaul over single-mode fiber lines. The 20km transmission reach gives us plenty of optical power budget reserve. No packet drops observed during 72-hour stress testing :-)

75 Helpful vote Comments

L***s

Argentina

Verified Purchase

4 .0

2026-02-18

One of the dust caps was missing inside the protective tray, so I had to clean the LC ferrule before insertion. Once cleaned, the duplex LC connector snapped in tightly and optical power levels were spot on over a 8km single-mode run.

56 Helpful vote Comments

Z***g

Romania

Verified Purchase

5 .0

2026-01-24

Upgraded our campus backbone links using these 1310nm 622M SFP transceivers. DDM diagnostic functions allow our NOC team to monitor optical RX/TX levels remotely via SNMP. Flawless operation over the past 3 months =D

38 Helpful vote Comments

B***z

Philippines

Verified Purchase

5 .0

2026-01-20

Perfect for legacy OC-12 backhaul upgrade. Plug and play on Juniper MX series. :)

51 Helpful vote Comments

T***s

Austria

Verified Purchase

5 .0

2026-01-02

Needed a bulk deployment of 622M SFP transceivers for our WISP base station backhaul links. We populated 16 ports on our Mikrotik cloud core routers. DOM monitoring works flawlessly displaying real-time temperature, voltage, and optical power. Excellent performance for price ;)

17 Helpful vote Comments

L***s

Sweden

Verified Purchase

5 .0

2025-12-28

We replaced several aging OEM optics with LINK-PP LS-SM3106-20C modules in our edge aggregation routers. MSA compliance made vendor interoperability completely seamless across our mixed Cisco and Dell environment. DDM optics diagnostics integrate perfectly into our Cacti/Zabbix monitoring.

10 Helpful vote Comments

J***s

Romania

Verified Purchase

5 .0

2025-10-01

Good product, fair price.

29 Helpful vote Comments

N***z

Netherlands

Verified Purchase

5 .0

2025-09-08

Flawless.

85 Helpful vote Comments

C***t

Cambodia

Verified Purchase

5 .0

2025-07-13

Reliable optical transceiver module!

75 Helpful vote Comments

Z***z

United Kingdom

Verified Purchase

5 .0

2025-06-20

Installed this 622Mbps SFP module into our Cisco Catalyst switch for a campus fiber link across two office buildings about 4km apart. Link registered immediately with zero CRC errors. DDM readings in CLI show solid optical power levels: TX at -11dBm and RX at -18dBm. Very pleased with the stability =D

82 Helpful vote Comments

V***l

Bulgaria

Verified Purchase

5 .0

2025-04-25

Great option for legacy SDH/SONET STM-4 infrastructure. Plugged directly into our Alcatel-Lucent hardware with zero vendor lock-in warnings.

47 Helpful vote Comments

S***n

Finland

Verified Purchase

4 .0

2025-04-12

Shipping took 5 days via DHL instead of the estimated 3, which slightly delayed our maintenance window. However, the optical transceiver module itself is top-tier. Tested the 1310nm FP laser transmitter over a 15km single-mode fiber span and optical power levels are well within spec.

36 Helpful vote Comments

T***s

Nepal

Verified Purchase

5 .0

2025-03-18

Super fast shipping and clean optical signal!

3 Helpful vote Comments

C***r

Australia

Verified Purchase

5 .0

2025-03-15

We used these 20km SMF SFP modules to link outdoor cabinets across our industrial facility. Even in non-climate-controlled enclosures operating near 60°C, the temperature telemetry via DDM remains well within operating thresholds (0 to 70°C). Rock solid reliability =)

60 Helpful vote Comments

E***g

Sweden

Verified Purchase

5 .0

2024-12-07

Essential component for telecom transmission engineering. The FP laser and PIN photodiode combo delivers consistent transmit power (-15 to -8dBm) and high sensitivity (-28dBm). Will order again for upcoming network expansions.

32 Helpful vote Comments

M***n

Netherlands

Verified Purchase

5 .0

2024-12-01

Easy install, instant link up. :-P

60 Helpful vote Comments

M***r

Singapore

Verified Purchase

5 .0

2024-11-18

Bought a pair for a home lab high-speed storage setup connecting two enterprise servers via 1310nm duplex LC single-mode fiber patch cables. Recognized immediately by Intel NICs and TrueNAS. Full 622M throughput sustained over long file transfers ;)

69 Helpful vote Comments

S***z

Finland

Verified Purchase

5 .0

2024-08-14

Works as expected.

56 Helpful vote Comments

C***n

Romania

Verified Purchase

5 .0

2024-07-30

Excellent 622M SFP!

45 Helpful vote Comments

A***s

India

Verified Purchase

5 .0

2024-05-04

Great value for 20km SMF optics.

39 Helpful vote Comments

J***n

Nepal

Verified Purchase

5 .0

2024-03-08

Flawless compatibility with Brocade switches! Plugs right into duplex LC connectors without issues :-D

7 Helpful vote Comments

R***s

India

Verified Purchase

5 .0

2024-02-28

Perfect replacement for OC12-SFP-LR1. Optical power margin is excellent over 12km single mode fiber run :D

5 Helpful vote Comments

N***n

Bangladesh

Verified Purchase

5 .0

2024-02-27

Works solid.

54 Helpful vote Comments

B***s

Singapore

Verified Purchase

4 .0

2024-02-17

The outer cardboard box was slightly crushed during transit, but the individual anti-static ESD packaging protected the transceivers completely. Tested all 10 units on our fiber patch panel at 1310nm wavelength; receiver sensitivity is around -28dBm as advertised. Good quality overall.

41 Helpful vote Comments