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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Generic SFP-25G32-BX40-I Compatible LINK-PP 25G SFP28 BiDi 1310nm-TX/1270nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)

Name: Generic SFP-25G32-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: 218389
Price: 368.08 USD
Availability: InStock
Rating: 4.9 (15 reviews)

# 218389

Product: Generic SFP-25G32-BX40-I Compatible LINK-PP 25G SFP28 BiDi 1310nm-TX/1270nm-RX 40km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)
SKU: 218389
P/N: LS-BL312725-40I
Price: $ 428
Stock: 187 in Stock
Sold: 847
Product URL: https://www.l-p.com/products/494356.htm

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

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

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15 Reviews

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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:: SFP-25G32-BX20-I | 20km; SFP-25G23-BX40 | 40km; SFP-25G23-BX40-I | 40km; SFP-25G32-BX40 | 40km; SFP-25G32-BX40-I | 40km

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Generic SFP-25G32-BX40-I Compatible LINK-PP 25G SFP28 Specifications

SFP-25G32-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.

Generic Part Number	SFP-25G32-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***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

A***y

Netherlands

Verified Purchase

5 .0

2026-01-21

Running these 1310nm-TX/1270nm-RX optical transceivers in unconditioned cabinets through a freezing winter with zero frame drops.

54 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

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

H***y

New Zealand

Verified Purchase

5 .0

2025-08-30

RX sensitivity gives us good margin on 35km links. Measured solid power levels at the receiver end. Solid engineering.

58 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

B***s

Russian Federation

Verified Purchase

5 .0

2025-06-02

Fast shipping, solid packaging.

63 Helpful vote Comments

N***s

Australia

Verified Purchase

5 .0

2025-05-30

Essential SFP28 optics for long-distance link aggregation when spare fiber strands are tight.

65 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

V***l

France

Verified Purchase

4 .0

2025-04-07

Great module overall, but shipping took 2 days longer than estimated. Product quality is flawless, just wish delivery was faster. ⏳

19 Helpful vote Comments

J***n

South Africa

Verified Purchase

5 .0

2025-03-21

We tested the LS-BL312725-40I SFP28 module across a 36km single-mode fiber link to verify signal strength. The 1310nm-TX and 1270nm-RX wavelengths provided clean optical power levels with zero signal degradation. The DDM feature gave us accurate real-time readings for temperature and laser power via our SNMP monitoring tool. It is a solid, reliable choice for long-distance 25G link scaling over single-fiber setups.

149 Helpful vote Comments