Are these SFP28 chipsets protocol-transparent enough to support 32G Fibre Channel SAN traffic alongside 25G Ethernet?

These specific modules are clock-optimized for 25G Ethernet and eCPRI wireless transport protocols up to 25.78Gbps. For 32G Fibre Channel networks, we recommend using our dedicated 32G FC SFP28 line to prevent data jitter.

Do these 25G BiDi modules run over a single strand of OS2 single-mode fiber, and do I need to buy them in matching pairs?

Yes, they use an LC Simplex connector to transmit and receive over one single fiber strand, doubling your cabling capacity. You must deploy them in matching Upstream (TX1270nm) and Downstream (TX1330nm) pairs to establish the link.

Do these single-fiber BiDi optics support standard SFF-8472 digital optical monitoring (DOM) for real-time telemetry?

Absolutely. You can pull real-time diagnostics like TX/RX optical power, laser bias current, and temperature directly via SNMP to catch fiber issues before a link drops.

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Mellanox SFP28-25G-BX Compatible LINK-PP 25G SFP28 BiDi 1270nm-TX/1330nm-RX 20km Simplex LC/UPC DDM SMF Optical Transceiver Module

Name: Mellanox SFP28-25G-BX Compatible LINK-PP 25G SFP28 BiDi 1270nm-TX/1330nm-RX 20km Simplex LC/UPC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 212883
Price: 30.96 USD
Availability: InStock
Rating: 4.9 (19 reviews)

# 212883

Product: Mellanox SFP28-25G-BX Compatible LINK-PP 25G SFP28 BiDi 1270nm-TX/1330nm-RX 20km Simplex LC/UPC DDM SMF Optical Transceiver Module
SKU: 212883
P/N: LS-BL273325-20C
Price: $ 36
Stock: 1401 in Stock
Sold: 834
Product URL: https://www.l-p.com/products/477073.htm

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Manufacture: LINK-PP

P/N: LS-BL273325-20C

Compatible:: Cisco; LINK-PP; Arista; Brocade; DELL; HW; Intel; 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-BX Compatible LINK-PP 25G SFP28 Specifications

SFP28-25G-BX operates as a streamlined 25G SFP28 BiDi optical transceiver that sustains dependable 20km links via 1270nm-TX/1330nm-RX wavelengths, engineered with an acute receiver sensitivity of <-14dBm to ensure integrity from 0°C to 70°C.

Mellanox Part Number	SFP28-25G-BX	Vendor Name	LINK-PP
Form Factor	SFP28	Max Data Rate	25.78Gbps
Wavelength	1270nm-TX/1330nm-RX	Max Cable Distance	20km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-1 to +7dBm	RX Power	-15 to +3dBm
Receiver Sensitivity	<-14dBm	Receiver Overload	2dBm
DDM	Supported	Operating Temperature Range	0°C to +70°C
Protocols	eCPRI, SFF-8472, SFF-8432, SFF-8431	Warranty	5 Years

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Q: Are these SFP28 chipsets protocol-transparent enough to support 32G Fibre Channel SAN traffic alongside 25G Ethernet? By F***r on 2025-12-15

A: These specific modules are clock-optimized for 25G Ethernet and eCPRI wireless transport protocols up to 25.78Gbps. For 32G Fibre Channel networks, we recommend using our dedicated 32G FC SFP28 line to prevent data jitter. By admin on 2025-12-16
Q: Do these 25G BiDi modules run over a single strand of OS2 single-mode fiber, and do I need to buy them in matching pairs? By E***w on 2025-09-08

A: Yes, they use an LC Simplex connector to transmit and receive over one single fiber strand, doubling your cabling capacity. You must deploy them in matching Upstream (TX1270nm) and Downstream (TX1330nm) pairs to establish the link. By admin on 2025-09-09
Q: Do these single-fiber BiDi optics support standard SFF-8472 digital optical monitoring (DOM) for real-time telemetry? By G***s on 2025-04-04

A: Absolutely. You can pull real-time diagnostics like TX/RX optical power, laser bias current, and temperature directly via SNMP to catch fiber issues before a link drops. By admin on 2025-04-05

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A***t

Japan

Verified Purchase

5 .0

2026-04-01

Exactly what I needed for 25G. Matches all the specifications perfectly. 25G network feels so smooth.

19 Helpful vote Comments

G***g

Sweden

Verified Purchase

5 .0

2026-03-28

Incredible price for data center network deployment As a data center network deployment engineer, I'm always skeptical of third-party 25G optics. We put these through a grueling 72-hour bit-error-rate (BERT) stress test in our lab. The results were flawless—stable laser bias current, optimal optical output power, and excellent receiver sensitivity. Ordering another bulk batch next week.

131 Helpful vote Comments

A***r

France

Verified Purchase

5 .0

2026-03-20

Works like a charm. Plugged it in, got the 25G link light, forgot about it. Perfect.

38 Helpful vote Comments

A***z

Italy

Verified Purchase

4 .0

2026-02-27

Good product, but delayed by local customs The SFP28 transceiver works exactly as described on our switches, but delivery to Italy took two days longer than estimated due to customs processing. Apart from the minor delay, the hardware is fantastic.

31 Helpful vote Comments

E***s

Thailand

Verified Purchase

5 .0

2025-10-28

Very stable power consumption. They draw less than 1.5W per module even at 25G speeds, keeping our switch thermal loads down. Brilliant engineering.

83 Helpful vote Comments

T***t

Philippines

Verified Purchase

5 .0

2025-10-11

A must-have for 25G WAN upgrades Upgraded our main corporate WAN gateway links using these BiDi optics. Zero packet drop over a week-long soak test.

15 Helpful vote Comments

E***n

Indonesia

Verified Purchase

5 .0

2025-10-03

Fast shipping, great support. The engineering support team helped us pre-code the EEPROM for switch compatibility before shipping. Top-tier service!

85 Helpful vote Comments

B***g

Mexico

Verified Purchase

5 .0

2025-09-25

Flawless core-to-distribution link setup Using these for our 25G distribution layer links. Extremely low latency and reliable optical performance.

42 Helpful vote Comments

S***s

Argentina

Verified Purchase

5 .0

2025-09-18

Excellent RX sensitivity on single-strand fiber runs We measured the receiver sensitivity on a 10km single-mode simplex spool, and it performed well within the safe margins of the 25G protocol specifications. Excellent quality control on the internal laser diodes.

75 Helpful vote Comments

E***s

Indonesia

Verified Purchase

5 .0

2025-09-01

Flawless core-to-distribution link setup Using these for our 25G distribution layer links. Extremely low latency and reliable optical performance.

63 Helpful vote Comments

E***e

Canada

Verified Purchase

5 .0

2025-08-19

Clean DDM readouts at 25G! Popped 20 of these BiDi optical modules into our aggregate cluster. The DDM/DOM real-time monitoring works perfectly on our edge OS, showing super stable RX power values over a single strand. Solid buy.

42 Helpful vote Comments

J***n

United States

Verified Purchase

5 .0

2024-05-08

Excellent service delivery on time and very Fast and accurate.

98 Helpful vote Comments

M***u

Denmark

Verified Purchase

5 .0

2023-12-04

I received it on time, packaging was well put together.

49 Helpful vote Comments

B***r

Ukraine

Verified Purchase

5 .0

2023-11-29

Very pleased with the service I received. They were very cordial. And I received the product quickly. Good quality.

63 Helpful vote Comments

F***o

Bulgaria

Verified Purchase

5 .0

2023-11-09

High quality product, shipping fee could be lower.

25 Helpful vote Comments

L***c

Bulgaria

Verified Purchase

5 .0

2023-07-22

Everything arrived on time and in good shape. Thanks

25 Helpful vote Comments

B***s

Israel

Verified Purchase

5 .0

2023-06-23

great place to shop!

52 Helpful vote Comments

C***n

Romania

Verified Purchase

5 .0

2023-05-06

It really worked well and we received it very Fast.

56 Helpful vote Comments

f***a

Sweden

Verified Purchase

5 .0

2023-01-25

I needed the sfp cage quickly. Did not want to spend a whole lot of time trying to muddle through a complicated website looking for what I wanted. LINK-PP did just that. Up to this point I did not have a favorite site for my needs. Now I do.

57 Helpful vote Comments