What exact type of fiber cable do I need to connect these modules for a 1.5km campus network run?

You’ll need standard Single-Mode Fiber (SMF) ribbon cables terminated with female MPO-12/APC (Angled Physical Contact) connectors. The 8-degree angle minimizes reflection, which is crucial for maintaining pristine signal integrity over your 2km 1310nm networking links.

How does this hold up against original Cisco 100G optics? We need enterprise-grade reliability but our IT budget is super tight right now.

You'll get identical core performance to original brands at a fraction of the cost. Using top-tier DFB lasers and high-sensitivity PIN detectors, it guarantees the exact same 104Gbps aggregate data rate, 2km distance over SMF, and flawless DDM monitoring. It's the ultimate cost-effective alternative.

Will the LQ-M31100-FR4C interoperate with our existing mix of Juniper and Dell switches without throwing those annoying "unsupported transceiver" errors?

Absolutely. This 100G QSFP28 PSM4 module is fully MSA compliant and meticulously coded to ensure 100% plug-and-play interoperability with multi-brand switches—including Juniper, Dell, and Cisco—so you won't experience any OEM lock-in issues during integration.

We need to hook up some outdoor cabinets facing harsh weather. I see this is 0-70°C for indoor use; do you guys make an industrial wide-temp version?

The standard LQ-M31100-FR4C is commercial-grade (0°C to 70°C), which is perfect for climate-controlled data centers and indoor cabinets. For your outdoor deployment, reach out to our tech support—we can custom-supply industrial-grade versions (-40°C to 85°C) specifically built to handle extreme temperatures.

Is this transceiver fully compliant with industry standards? Our corporate compliance team requires strict adherence to MSA regulations.

Yes, it strictly complies with the QSFP28 MSA, SFF-8636 protocols, and IEEE 802.3bm standards. It’s also fully RoHS compliant and has passed comprehensive global test center validations, perfectly checking all the boxes for legal enterprise infrastructure compliance.

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LINK-PP LQ-M31100-FR4C 100G PSM4 QSFP28 4 x 25G NRZ 1310nm 2km MPO-12/APC DOM SMF Transceiver Module

Name: LINK-PP LQ-M31100-FR4C 100G PSM4 QSFP28 4 x 25G NRZ 1310nm 2km MPO-12/APC DOM SMF Transceiver Module
Brand: LINK-PP
SKU: 197888
Price: 369.6 USD
Availability: InStock
Rating: 5 (47 reviews)

# 197888

Product: LINK-PP LQ-M31100-FR4C 100G PSM4 QSFP28 4 x 25G NRZ 1310nm 2km MPO-12/APC DOM SMF Transceiver Module
SKU: 197888
P/N: LQ-M31100-FR4C
Price: $ 420
Stock: 2320 in Stock
Sold: 780
Product URL: https://www.l-p.com/products/488422.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

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P/N: LQ-M31100-FR4C

Compatible:: Cisco; LINK-PP; Arista; Dell; Extreme; FS; Generic; H3C; Juniper; NVIDIA/Mellanox

Compatible P/N:: LQ-M31100-FR4C | 2km; LQ-M31100-LR4C | 10km

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LINK-PP LQ-M31100-FR4C 100G QSFP28 Specifications

The LINK-PP LQ-M31100-FR4C is a premium 100G QSFP28 optical transceiver designed for high-density data center environments. Utilizing parallel single-mode fiber technology, this four-channel full-duplex module delivers an aggregate data rate of up to 104Gbps. It operates efficiently with low power consumption under 3.5W, providing a highly reliable solution for proprietary high-speed interconnections and enterprise networks.

LINK-PP Part Number	LQ-M31100-FR4C	Vendor Name	LINK-PP
Form Factor	QSFP28	Max Data Rate	104Gbps
Wavelength	1310nm	Max Cable Distance	2km
Connector	MPO-12/APC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
Modulation (Electrical)	4x 25G-NRZ	Modulation (Optical)	4x 25G-NRZ
DDM/DOM	Supported	Operating Temperature Range	0°C to +70°C
Protocols	QSFP28 MSA Compliant, SFF-8636	Warranty	5 Years

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Q: What exact type of fiber cable do I need to connect these modules for a 1.5km campus network run? By A***n on 2026-07-19

A: You’ll need standard Single-Mode Fiber (SMF) ribbon cables terminated with female MPO-12/APC (Angled Physical Contact) connectors. The 8-degree angle minimizes reflection, which is crucial for maintaining pristine signal integrity over your 2km 1310nm networking links. By admin on 2026-07-19
Q: How does this hold up against original Cisco 100G optics? We need enterprise-grade reliability but our IT budget is super tight right now. By S***s on 2026-04-02

A: You'll get identical core performance to original brands at a fraction of the cost. Using top-tier DFB lasers and high-sensitivity PIN detectors, it guarantees the exact same 104Gbps aggregate data rate, 2km distance over SMF, and flawless DDM monitoring. It's the ultimate cost-effective alternative. By admin on 2026-04-02
Q: Will the LQ-M31100-FR4C interoperate with our existing mix of Juniper and Dell switches without throwing those annoying "unsupported transceiver" errors? By D***l on 2026-02-27

A: Absolutely. This 100G QSFP28 PSM4 module is fully MSA compliant and meticulously coded to ensure 100% plug-and-play interoperability with multi-brand switches—including Juniper, Dell, and Cisco—so you won't experience any OEM lock-in issues during integration. By admin on 2026-02-27
Q: We need to hook up some outdoor cabinets facing harsh weather. I see this is 0-70°C for indoor use; do you guys make an industrial wide-temp version? By L***g on 2025-07-14

A: The standard LQ-M31100-FR4C is commercial-grade (0°C to 70°C), which is perfect for climate-controlled data centers and indoor cabinets. For your outdoor deployment, reach out to our tech support—we can custom-supply industrial-grade versions (-40°C to 85°C) specifically built to handle extreme temperatures. By admin on 2025-07-14
Q: Is this transceiver fully compliant with industry standards? Our corporate compliance team requires strict adherence to MSA regulations. By S***n on 2025-06-08

A: Yes, it strictly complies with the QSFP28 MSA, SFF-8636 protocols, and IEEE 802.3bm standards. It’s also fully RoHS compliant and has passed comprehensive global test center validations, perfectly checking all the boxes for legal enterprise infrastructure compliance. By admin on 2025-06-08

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B***l

Austria

Verified Purchase

5 .0

2026-07-07

We urgently needed reliable 2km MPO-12/APC modules for an indoor batch deployment. These LINK-PP optics delivered excellent optical return loss tolerance. Setup was simple plug-and-play, saving hours of troubleshooting during the network migration. ⏱️

146 Helpful vote Comments

D***z

Philippines

Verified Purchase

5 .0

2026-07-03

Installed 50 of these LQ-M31100-FR4C units. Zero drops over SMF in our enterprise networking setup.

72 Helpful vote Comments

J***n

Norway

Verified Purchase

5 .0

2026-05-27

Replaced our Mellanox 100G optics seamlessly. ✨

79 Helpful vote Comments

B***n

Germany

Verified Purchase

5 .0

2026-05-23

We needed 100Gbps for outdoor cabinets but these indoor 0-70°C ones actually survived fine.

92 Helpful vote Comments

W***s

Peru

Verified Purchase

5 .0

2026-05-10

Solid 25G NRZ signal integrity across four lanes. ⚡

205 Helpful vote Comments

L***z

Bolivia

Verified Purchase

5 .0

2026-04-30

Perfect 100G throughput for my homelab NAS!

53 Helpful vote Comments

L***n

Finland

Verified Purchase

5 .0

2026-04-22

Fully MSA compliant. Will buy more soon!

98 Helpful vote Comments

J***l

Venezuela

Verified Purchase

5 .0

2026-01-14

Excellent 100G optical module for base station backhaul. Stable operation within normal 0-70°C temps.

36 Helpful vote Comments

L***s

Bolivia

Verified Purchase

5 .0

2025-12-20

Deployed these 100G QSFP28 PSM4 transceivers for our core campus fiber network. Over 1.5km runs, the DFB laser maintains brilliant signal clarity. Total power consumption stays under 3.5W, massively reducing our cooling load. ❄️

203 Helpful vote Comments

B***e

India

Verified Purchase

4 .0

2025-12-18

Box was slightly crushed on arrival, but the 100G QSFP28 modules work flawlessly.

14 Helpful vote Comments

B***l

Ireland

Verified Purchase

5 .0

2025-10-29

Replaced costly OEM optics with this LINK-PP PSM4 module. Saved thousands on our server upgrade.

201 Helpful vote Comments

S***l

Denmark

Verified Purchase

5 .0

2025-09-21

Ran rigorous switch compatibility testing across Dell, Cisco, and H3C gear. These LQ-M31100-FR4C optics initialized without OEM lockouts. Full DOM readouts on rx power and temp were perfectly accurate. Highly recommended for network admins!

119 Helpful vote Comments

L***a

Mexico

Verified Purchase

5 .0

2025-09-11

Tested compatibility with Extreme and Juniper switches. Passed all our multi-brand switch compatibility tests. ✅

41 Helpful vote Comments

A***l

Canada

Verified Purchase

5 .0

2025-08-23

Awesome DDM support! I can easily monitor tx/rx power and temperatures via I2C interface.

224 Helpful vote Comments

M***s

Colombia

Verified Purchase

5 .0

2025-08-15

Great 2km distance for our campus optical network.

161 Helpful vote Comments

C***z

Ethiopia

Verified Purchase

5 .0

2025-08-11

Plug and play 100G PSM4, zero issues.

210 Helpful vote Comments

L***z

Portugal

Verified Purchase

5 .0

2025-06-29

Flawless DOM monitoring on Cisco gear.

208 Helpful vote Comments

i***s

Hong Kong

Verified Purchase

5 .0

2025-05-17

My first experience with you guys. Was very pleased. Prices were excellent. I was REALLY happy with the customer service. Fast and reliable. I'll shop at the site again definitely.

52 Helpful vote Comments

M***n

Bolivia

Verified Purchase

5 .0

2025-05-17

Using this 1310nm SMF transceiver for our high-density data center interconnects. The 4x 25G NRZ modulation is incredibly stable. It perfectly drives 100G bandwidth across enterprise server racks with zero packet loss.

62 Helpful vote Comments

P***n

New Zealand

Verified Purchase

5 .0

2025-05-08

Great service - exactly what I needed and very timely delivery.

95 Helpful vote Comments

S***s

Venezuela

Verified Purchase

5 .0

2025-05-01

Cheap and reliable MPO-12 APC transceiver.

162 Helpful vote Comments

J***t

Dominican Republic

Verified Purchase

5 .0

2025-04-26

Unbeatable value for 100G data center interconnects. Pin detectors handle the 1310nm signal perfectly.

132 Helpful vote Comments

D***e

Norway

Verified Purchase

5 .0

2025-04-17

Smooth 104Gbps aggregate data rate. MPO-12/APC connection minimizes reflection for our demanding fiber infrastructure.

61 Helpful vote Comments

M***w

France

Verified Purchase

5 .0

2025-04-07

The order arrived within estimated time

72 Helpful vote Comments

J***n

Sweden

Verified Purchase

5 .0

2025-03-20

Flawless and affordable!

31 Helpful vote Comments

W***s

Argentina

Verified Purchase

5 .0

2025-03-12

Works perfectly at 65°C in indoor server rooms.

49 Helpful vote Comments

D***e

Panama

Verified Purchase

5 .0

2025-03-11

Good price for bulk 100G QSFP28 deployment.

84 Helpful vote Comments

O***e

Hungary

Verified Purchase

5 .0

2025-03-09

The shipping cost is a little bit high.

83 Helpful vote Comments

P***d

France

Verified Purchase

5 .0

2025-01-11

Very good service and delivery time was great.

28 Helpful vote Comments

T***y

Nepal

Verified Purchase

5 .0

2024-12-31

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

19 Helpful vote Comments

I***i

Belgium

Verified Purchase

5 .0

2024-11-19

Service good and ship so Fast.

17 Helpful vote Comments

R***n

Argentina

Verified Purchase

5 .0

2024-11-16

Simple order. Good price. Promptly delivered

54 Helpful vote Comments

V***e

Germany

Verified Purchase

5 .0

2024-10-22

Many thanks for the delivery it was well responded to, with quick delivery

60 Helpful vote Comments

B***n

Hungary

Verified Purchase

5 .0

2024-10-04

placed my order, made my payment, but it was was shipped slowly.

17 Helpful vote Comments

L***r

Maldives

Verified Purchase

5 .0

2024-08-28

I had a great experience at l-p.com. They offer incredible Sfp Cage with an unbeatable price. Would recommend to anyone!

36 Helpful vote Comments

K***i

Ireland

Verified Purchase

5 .0

2024-08-05

Great prices and Fast shipping...sure beats traveling around town searching for parts which I needed.

21 Helpful vote Comments

A***n

Bulgaria

Verified Purchase

5 .0

2024-07-24

Easy to purchase from and received ordered product quickly.

108 Helpful vote Comments

D***k

Malaysia

Verified Purchase

5 .0

2024-05-08

The website is very easy to use, and I appreciate that since a lot of items I order for my technicians I am not aware of. Your website shows exactly what I need and ordering is easy. Really satisfied with the shopping experience.

89 Helpful vote Comments

j***A

Norway

Verified Purchase

5 .0

2024-03-19

I have ordered various items over the past couple of years, goods always arrive in a timely manner. They are well packed and do exactly what you expect them to do. Great value for money and efficient service.

48 Helpful vote Comments

H***n

United States

Verified Purchase

5 .0

2023-10-01

These folks are great!. They had what I wanted, it was a great price with Fast shipping.

32 Helpful vote Comments