Will high electromagnetic noise near substation transformers corrupt signal quality on this transceiver?

No, the fully shielded metal housing isolates internal circuitry against heavy EMI, maintaining zero-loss frame transmission.

We are deploying 5G fronthaul links between baseband units and cell site routers; does this 25G transceiver module support eCPRI timing?

Yes, it fully supports CPRI and eCPRI protocol standards with the low latency required for 5G mobile backhaul.

We are installing these on cell towers where outdoor cabinets hit 75°C in summer. Will this optic thermal-throttle?

No, this industrial-grade model is rated for -40°C to +85°C and uses hardened components designed to prevent thermal performance drops.

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Mellanox SFP28-25G-BX40-I Compatible LINK-PP 25G SFP28 BiDi 1310nm-TX/1270nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)

Name: Mellanox SFP28-25G-BX40-I Compatible LINK-PP 25G SFP28 BiDi 1310nm-TX/1270nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 218392
Price: 368.08 USD
Availability: InStock
Rating: 4.9 (15 reviews)

# 218392

Product: Mellanox SFP28-25G-BX40-I Compatible LINK-PP 25G SFP28 BiDi 1310nm-TX/1270nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)
SKU: 218392
P/N: LS-BL312725-40I
Price: $ 428
Stock: 135 in Stock
Sold: 980
Product URL: https://www.l-p.com/products/491610.htm

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

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Manufacture: LINK-PP

P/N: LS-BL312725-40I

Compatible:: Cisco; LINK-PP; Arista; Brocade; FS; Generic; HW; Juniper; Mellanox

Compatible P/N:: MMA2L20-BXD-I | 10km; MMA2L20-BXU-I | 10km; SFP28-25G-BX | 10km; SFP-25G23-BX20-I | 20km; SFP-25G32-BX20-I | 20km; SFP28-25G-BX | 20km; SFP28-25G-BX40 | 40km; SFP28-25G-BX40-I | 40km

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Mellanox SFP28-25G-BX40-I Compatible LINK-PP 25G SFP28 Specifications

SFP28-25G-BX40-I serves as a robust industrial-grade 25G SFP28 BiDi SMF optical transceiver module, engineered to sustain seamless data transmission across a 40km reach via 1310nm-TX/1270nm-RX wavelengths while enduring extreme thermal environments ranging from -40 to 85°C.

Mellanox Part Number	SFP28-25G-BX40-I	Vendor Name	LINK-PP
Form Factor	SFP28	Max Data Rate	25.78Gbps
Wavelength	1310nm-TX/1270nm-RX	Max Cable Distance	40km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	APD
TX Power	-1 to +7dBm	RX Power	-15 to +3dBm
Receiver Sensitivity	＜-19dBm	Receiver Overload	-7dBm
Operating Temperature Range	-40 to 85°C	Protocols	MSA Compliant, CPRI, eCPRI

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Q: Will high electromagnetic noise near substation transformers corrupt signal quality on this transceiver? By D***r on 2026-04-14

A: No, the fully shielded metal housing isolates internal circuitry against heavy EMI, maintaining zero-loss frame transmission. By admin on 2026-04-15
Q: We are deploying 5G fronthaul links between baseband units and cell site routers; does this 25G transceiver module support eCPRI timing? By G***t on 2025-09-16

A: Yes, it fully supports CPRI and eCPRI protocol standards with the low latency required for 5G mobile backhaul. By admin on 2025-09-17
Q: We are installing these on cell towers where outdoor cabinets hit 75°C in summer. Will this optic thermal-throttle? By A***r on 2025-07-20

A: No, this industrial-grade model is rated for -40°C to +85°C and uses hardened components designed to prevent thermal performance drops. By admin on 2025-07-21

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E***r

Brazil

Verified Purchase

5 .0

2026-06-11

Our smart factory needed a high-bandwidth link between two facilities located 32km apart. The heavy machinery nearby creates high electromagnetic interference, but these metal-shielded modules maintained a stable link without frame loss. Even when our cabinet temperatures spiked during summer, the module temperature remained safe. It is built tough for demanding industrial automation setups.

90 Helpful vote Comments

M***s

Thailand

Verified Purchase

5 .0

2026-05-15

Upgraded our storage cluster links to 25G. Using simplex LC single-mode fiber saved us significant cable tray space inside the hot aisle containment cabinets. Thermal dissipation is surprisingly low for an industrial 40km SFP28 optics.

101 Helpful vote Comments

E***t

Finland

Verified Purchase

5 .0

2026-04-27

DOM data reads perfectly in our monitoring dashboard.

40 Helpful vote Comments

E***g

United States

Verified Purchase

5 .0

2026-03-09

Essential hardware for utility substations requiring high-bandwidth real-time telemetry. The metal housing provides good EMI shielding, and the optical links remain stable near high-voltage transformers.

68 Helpful vote Comments

M***s

India

Verified Purchase

5 .0

2026-01-04

Single fiber saved us serious cabling costs.

65 Helpful vote Comments

G***d

Canada

Verified Purchase

5 .0

2025-12-16

Operating in northern Canada means our remote pipeline monitoring nodes face harsh winter weather. We installed these industrial-grade SFP28 optics in unheated outdoor enclosures where ambient temperatures drop below -30°C. Power cycling the remote switch proved the module initializes quickly and maintains stable optical output power under freezing conditions. It is tough, dependable physical layer gear for cold climates.

147 Helpful vote Comments

I***d

Poland

Verified Purchase

5 .0

2025-11-28

40km reach is real, zero packet loss. ✅

51 Helpful vote Comments

L***s

Mexico

Verified Purchase

5 .0

2025-11-04

Replacing our traditional dual-fiber setup with this single-fiber BiDi optical module cut our lease costs in half. We paired the 1310TX/1270RX unit with its complementary 1270TX/1310RX transceiver over a 37km single-mode link. The connection was established instantly with minimal latency and high receiver sensitivity. It fully adheres to MSA standards and provides huge value for regional ISP backbones.

104 Helpful vote Comments

A***n

Indonesia

Verified Purchase

5 .0

2025-10-18

Solid 25G BiDi transceivers at a competitive price point compared to OEM-branded optics. They meet every technical specification required for our 40km links. A good cost-effective alternative for scaling out campus networks.

118 Helpful vote Comments

N***y

United Kingdom

Verified Purchase

4 .0

2025-09-27

Module works perfectly, but carrier delivered to wrong address initially. Had to wait an extra day for rerouting. Product itself is flawless.

24 Helpful vote Comments

A***y

Singapore

Verified Purchase

5 .0

2025-08-23

These transceivers are installed in outdoor traffic control cabinets where thermal dissipation is critical. The -40°C to +85°C operating range gives us peace of mind during summer heatwaves. Zero packet drops recorded.

84 Helpful vote Comments

C***n

Australia

Verified Purchase

5 .0

2025-08-12

Working in remote mining sites where enclosure temperatures fluctuate wildly between daytime heat and nighttime cold. These industrial-grade SFP28 modules have been running 24/7 for three months without optical degradation or heat throttling. Highly recommended for rugged edge deployments.

124 Helpful vote Comments

O***s

Sweden

Verified Purchase

5 .0

2025-08-08

Simplex LC connection simplifies long-span fiber runs significantly compared to dual LC setups.

93 Helpful vote Comments

E***l

Malaysia

Verified Purchase

5 .0

2025-07-15

We rely on these 25G SFP28 optics to aggregate traffic from our edge surveillance nodes back to the central data center. Simplex LC cabling reduced line clutter significantly in our optical distribution frames.

103 Helpful vote Comments

L***n

Republic of Korea

Verified Purchase

5 .0

2025-04-22

Upgraded our inter-building links from 10G to 25G using these single-mode SFP28 transceivers. The LC simplex interface latched firmly, and transceiver EEPROM provided clean recognition across our switch platforms in the distribution layer. Very reliable physical layer hardware.

117 Helpful vote Comments