If we need to perform maintenance, do we have to shut down the host switch before swapping this module?

No, this 25G SFP28 module is hot-pluggable, meaning you can safely plug it in or pull it out while the switch is fully powered and running.

We are upgrading an outdoor campus loop in freezing winter conditions; can this module handle sub-zero environments?

Yes, absolutely. The LS-BL332725-20I is an industrial-grade module rated to perform flawlessly in extreme temperatures ranging from -40°C up to +85°C.

What is the typical power draw per module, as we have strict thermal limits in our micro-datacenter racks?

The LS-BL332725-20I is highly efficient, drawing less than 1.5W of power consumption, which significantly lowers your overall cooling overhead.

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Cisco SFP-25G32-BX20-I Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module (Industrial)

Name: Cisco SFP-25G32-BX20-I Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 218413
Price: 40.85 USD
Availability: InStock
Rating: 5 (26 reviews)

# 218413

Product: Cisco SFP-25G32-BX20-I Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 218413
P/N: LS-BL332725-20I
Price: $ 47.5
Stock: 56 in Stock
Sold: 960
Product URL: https://www.l-p.com/products/494078.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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Manufacture: LINK-PP

P/N: LS-BL332725-20I

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

Compatible P/N:: SFP-25G-BXD-I | 10km; SFP-25GBX-D-10 | 10km; SFP-25GBX-U-10 | 10km; SFP28-25G-BX-I | 10km; SFP-25G32-BX20-I | 20km; SFP-25GBX-D-20 | 20km; SFP-25GBX-U-20 | 20km; SFP28-25G-BX20-I | 20km; SFP-25G-BX40D-I | 40km; SFP-25G-BX40U-I | 40km; SFP-25G23-BX40 | 40km; SFP-25GBX-D-40 | 40km

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Cisco SFP-25G32-BX20-I Compatible LINK-PP 25G SFP28 Specifications

Cisco SFP-25G32-BX20-I Compatible LINK-PP module is an industrial-grade 25G SFP28 BiDi SMF optical transceiver module engineered to deliver robust, single-fiber bidirectional data transmission over distances up to 20km, operating via 1330nm-TX/1270nm-RX wavelengths while maintaining flawless stability across a harsh -40 to 85°C temperature spectrum.

Cisco Part Number	SFP-25G32-BX20-I	Vendor Name	LINK-PP
Form Factor	SFP28	Max Data Rate	25.78Gbps
Wavelength	1330nm-TX/1270nm-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
Operating Temperature Range	-40 to 85°C	Protocols	eCPRI, SFF-8472, SFF-8432, SFF-8431

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Q: If we need to perform maintenance, do we have to shut down the host switch before swapping this module? By C***t on 2026-04-27

A: No, this 25G SFP28 module is hot-pluggable, meaning you can safely plug it in or pull it out while the switch is fully powered and running. By admin on 2026-04-28
Q: We are upgrading an outdoor campus loop in freezing winter conditions; can this module handle sub-zero environments? By E***n on 2025-09-20

A: Yes, absolutely. The LS-BL332725-20I is an industrial-grade module rated to perform flawlessly in extreme temperatures ranging from -40°C up to +85°C. By admin on 2025-09-21
Q: What is the typical power draw per module, as we have strict thermal limits in our micro-datacenter racks? By M***y on 2025-07-03

A: The LS-BL332725-20I is highly efficient, drawing less than 1.5W of power consumption, which significantly lowers your overall cooling overhead. By admin on 2025-07-04

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T***h

Italy

Verified Purchase

5 .0

2026-05-14

Excellent transceivers for our distribution layer. The coding is fully compliant, and our monitoring system picked up the DOM parameters immediately. Temperature, TX power, and RX power values are perfectly aligned with our handheld optical meters. (^-^*)

135 Helpful vote Comments

L***n

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2026-04-27

If you need to optimize fiber allocation over long distances, these 20km SFP28 transceivers are an absolute must. The optical budget is generous, and we achieved stable links even on older single-mode fiber runs with moderate attenuation.

131 Helpful vote Comments

E***l

Israel

Verified Purchase

5 .0

2026-03-11

Simplex LC connector snaps in solid and has saved us so much valuable rack routing space.

70 Helpful vote Comments

E***n

Republic of Korea

Verified Purchase

5 .0

2026-02-25

Deployed several of these 25G BiDi optical modules in our pole-mounted outdoor enclosures. Surviving the freezing winter wind is always the ultimate test for transceivers, and these industrial-grade units didn't flinch. Link stability has remained solid at 100%.

81 Helpful vote Comments

L***n

Maldives

Verified Purchase

5 .0

2026-01-18

During our latest spine-leaf architecture overhaul, utilizing single-strand single-mode fiber via BiDi technology allowed us to double our fiber density instantly without laying new cable trunks. We stress-tested these 25G SFP28 modules across various high-density open-networking distribution switches, and they established link negotiation instantly at full 25.78 Gbps. Power consumption is exceptionally low, averaging just 1.2W per module, which drastically mitigates thermal dissipation issues at the top of our high-density server racks. Compliance with SFF-8472 digital diagnostics ensures our network orchestration layer tracks all parameters seamlessly.

159 Helpful vote Comments

T***e

Hungary

Verified Purchase

5 .0

2026-01-08

Excellent TX1330/RX1270 balance on this 20km SFP28 module with zero packet drops.

40 Helpful vote Comments

V***n

Japan

Verified Purchase

5 .0

2025-12-23

We deployed a batch of these 25G SFP28 BiDi optical modules to clean up our high-density patch panels. Going from dual-fiber patch cables to simplex LC single-mode fiber made our cable management 50% cleaner. The transceivers run surprisingly cool for 25G optics.

101 Helpful vote Comments

M***n

Indonesia

Verified Purchase

5 .0

2025-11-27

Swapped our old dual-fiber SFP28 optics for this BiDi optical module and cut our fiber leasing costs in half instantly.

66 Helpful vote Comments

C***s

Mexico

Verified Purchase

5 .0

2025-11-02

Our team integrated these 25G SFP28 BiDi transceivers to bridge an enterprise core campus network across a distributed regional layout. By transmitting 1330nm-TX and receiving 1270nm-RX over a single strand of single-mode fiber, we circumvented several congested underground conduits, saving months of civil construction works. The transceivers strictly adhere to IEEE 802.3cc and SFP28 MSA guidelines, facilitating immediate link aggregation across our switches. Real-time DDM testing shows highly stable optical receive power at -5.4dBm over our longest 17km run.

143 Helpful vote Comments

C***s

India

Verified Purchase

5 .0

2025-10-21

Outstanding signal-to-noise ratio over single-mode fiber; can't beat this performance at this price point.

94 Helpful vote Comments

C***p

Ireland

Verified Purchase

5 .0

2025-06-22

Cleanest DOM readings I've seen on any 25G SFP28 transceiver modules— matches our optical power meters perfectly.

79 Helpful vote Comments

P***s

Malaysia

Verified Purchase

4 .0

2025-06-01

These 25G SFP28 BiDi transceivers themselves perform flawlessly, but the delivery was delayed by three days because the regional courier misrouted the package. Once they finally arrived and we plugged them into our switches, they linked up instantly. Excellent hardware, but I hope they look into using a more reliable shipping partner for priority orders next time.

16 Helpful vote Comments

C***s

Philippines

Verified Purchase

5 .0

2025-05-29

Perfect. I would happily buy from them again.

16 Helpful vote Comments

A***y

Lithuania

Verified Purchase

5 .0

2025-05-08

Outstanding customer support from the sales team during our initial scoping. They ensured the EEPROM coding would be fully compatible with our aggregation switches. All 30 links came up instantly upon installation.

78 Helpful vote Comments

N***y

Morocco

Verified Purchase

5 .0

2025-03-15

Our core switches accepted these SFP28 optical modules without requiring any special command overrides. Telemetry reporting is flawless, and the power dissipation is very low, which keeps our rack thermal profiles well within safe limits.

85 Helpful vote Comments

D***n

Germany

Verified Purchase

5 .0

2024-10-11

Everything I've bought has been great and the website is easy to use.

103 Helpful vote Comments

T***r

Australia

Verified Purchase

5 .0

2024-06-14

Excellent way to shop for good quality products.

49 Helpful vote Comments

r***r

France

Verified Purchase

5 .0

2024-06-08

Great shopping experience. Can't wait to get my items...

77 Helpful vote Comments

R***n

Thailand

Verified Purchase

5 .0

2024-05-09

Excellent product selection, price, and expedited shipping. Meanwhile, the price is also very reasonable and affordable.

84 Helpful vote Comments

J***n

United States

Verified Purchase

5 .0

2024-01-30

I am a very novice user. I just explained what hardware I have and that was it ! The team at l-p.com made sure I had the right part and everything arrrived via international shipping within the week. Very impressed and very happy. Everything just works. Thank You !

109 Helpful vote Comments

D***m

Iran, Islamic Republic of

Verified Purchase

5 .0

2023-11-15

I am satisfied with both service and price, your site is good in both aspects and with Fast shipping.

63 Helpful vote Comments

C***n

Norway

Verified Purchase

5 .0