Does the SFP-25G-BD transceiver module require a pair of fibers to operate?

No, it is a BiDi (Bi-Directional) transceiver that transmits and receives data over a single strand of simplex fiber.

What are the exact optical wavelengths used by this module?

The SFP-25G-BD SFP28 BiDi optical module uses a wavelength split of 1330nm for transmitting (TX) and 1270nm for receiving (RX).

Is the management interface compliant with industry standards?

Yes, it features a 2-wire management interface that is fully compliant with the SFF-8472 specification.

What should I do if the DOM readings show an optical power alarm?

Inspect the fiber patch cord ends for dirt, clean the LC/UPC connector using an optical cleaning tool, and verify that the link budget does not exceed 20km.

Since our server racks get pretty packed and hot, how does the built-in DOM function help us keep track of the internal temperature?

The SFF-8472 compliant DOM telemetry reports real-time module temperature, laser bias current, and supply voltage directly to your SNMP monitoring dashboard.

Does this 25G module run very hot, and will it affect the cooling efficiency inside a fully packed switch chassis?

This module features low power consumption (typically under 1.5W), designed to dissipate heat efficiently without placing an extra thermal load on standard switch fans.

We already have standard OS2 single-mode fiber cables laid out in our building. Will this module work with them, and what kind of patch cable do we need?

Yes, it works perfectly with standard OS2 single-mode fiber. Since this is a BiDi module, you just need to make sure you use a Simplex LC cable instead of a standard dual-fiber duplex patch cord.

Breadcrumb: Home; Products; Optics Transceivers | SFP Modules; 10/25/40G/100G Transceiver Modules; 25G SFP28; 218272

Click to open expanded view

Arista SFP-25G-BD Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module

Name: Arista SFP-25G-BD Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 218272
Price: 39.99 USD
Availability: InStock
Rating: 4.9 (22 reviews)

# 218272

Product: Arista SFP-25G-BD Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU: 218272
P/N: LS-BL332725-20C
Price: $ 46.5
Stock: 1099 in Stock
Sold: 811
Product URL: https://www.l-p.com/products/493997.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

22 Reviews

3 Questions

Request Stock

811 Sold

$ 46.5

Free shipping over $600, If you need a more favorable price, please contact us directly.

Qty (pcs) :

Unit Price :

$ 46.5

100

$ 44.175

1000

$ 42.78

3000

$ 41.385

6000

$ 39.99

Manufacture: LINK-PP

P/N: LS-BL332725-20C

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

Compatible P/N:: SFP-25G-BD | 10km; SFP-25G-BD-I | 10km; SFP-25G-BD | 20km; SFP-25G23-BX20-I | 20km; SFP-25G32-BX20-I | 20km; SFP-25G-BD-40 | 40km; SFP-25G-BD-40-I | 40km; SFP-25G23-BX40 | 40km

Shipping:

To Be Negotiated

Free Shipping

Can't deliver

to United States via {{now_chooseship?now_chooseship.name:''}}

Estimated delivery time : {{now_chooseship?now_chooseship.datemin:''}}-{{now_chooseship?now_chooseship.datemax:''}} days. See details

5-Year Warranty 30-Day Returns 30-Day Exchange

Stock:

{{parseInt(detail_data.left_num) ? detail_data.left_num +' in Stock' :detail_data.zeroStockOrder==0?'Out of Stock':'Available'}} .

Quantity:

( Min. Order {{detail_data.prodInfo.minimum_ordered_quantity}} )

undeliverable

Total Price:

{{ detail_data.displayed_price.unit_prefix }} {{ detail_data.displayed_price.original_total_price }} ( {{ detail_data.displayed_price.rate_of_discount }}% OFF ) {{detail_data.displayed_price.ex_sell_type}}

Add to wish

Specifications

Specification
Videos
Matching Products
Download
Q&A
Customer Reviews

Arista SFP-25G-BD Compatible LINK-PP 25G SFP28 Specifications

Arista SFP-25G-BD Compatible LINK-PP module is a 25G SFP28 BiDi single-mode optical transceiver engineered for 20km data transmission via a simplex LC/UPC connector, utilizing a dual 1330nm-TX/1270nm-RX wavelength split and supporting DOM functionality within a standard 0°C to +70°C commercial operating temperature range.

Arista Part Number	SFP-25G-BD	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	0 to 70°C	Protocols	eCPRI, SFF-8472, SFF-8432, SFF-8431

Videos

Matching Products

Pictures

ID#

Description

Price

Stock

Add to Cart

Download

Product Drawing

PDF
LS-BL332725-20C.pdf

Questions & Answers
Ask a Question

No data

Q: Since our server racks get pretty packed and hot, how does the built-in DOM function help us keep track of the internal temperature? By A***e on 2026-04-28

A: The SFF-8472 compliant DOM telemetry reports real-time module temperature, laser bias current, and supply voltage directly to your SNMP monitoring dashboard. By admin on 2026-04-29
Q: Does this 25G module run very hot, and will it affect the cooling efficiency inside a fully packed switch chassis? By V***e on 2025-09-29

A: This module features low power consumption (typically under 1.5W), designed to dissipate heat efficiently without placing an extra thermal load on standard switch fans. By admin on 2025-09-30
Q: We already have standard OS2 single-mode fiber cables laid out in our building. Will this module work with them, and what kind of patch cable do we need? By L***n on 2025-02-16

A: Yes, it works perfectly with standard OS2 single-mode fiber. Since this is a BiDi module, you just need to make sure you use a Simplex LC cable instead of a standard dual-fiber duplex patch cord. By admin on 2025-02-17

Customer Reviews
Write a Review

{{stardata.star}}

{{comment.count}} reviews
5 Stars

{{comment.star5}}%

4 Stars

{{comment.star4}}%

3 Stars

{{comment.star3}}%

2 Stars

{{comment.star2}}%

1 Star

{{comment.star1}}%

All Reviews ({{comment.star_num?comment.star_num:comment.count}})

All Reviews

5 stars only

4 stars only

3 stars only

2 stars only

1 star only
Reviews with Pictures ( {{comment.pic_comment}} )
See All Reviews

No data

D***r

Macao

Verified Purchase

5 .0

2026-05-09

Replaced legacy 10G SFP+ BiDi optics with these 25G SFP28 20km modules during a scheduled maintenance window. Hot-swapping was effortless with zero impact on neighboring active ports. Transmit and receive path optical isolation is top-notch.

80 Helpful vote Comments

L***y

Maldives

Verified Purchase

5 .0

2026-01-22

Operating a regional ISP network requires getting maximum performance out of every single-strand fiber lease. We installed these 20km BiDi SFP28 optical modules across multiple remote aggregation nodes to double our available backhaul bandwidth. Compatibility was flawless across our multi-vendor router fleet, with all boards loading the SFP28 MSA compliant settings instantly. Even over our longest 18.5km span, the DFB laser punched through attenuation effortlessly. Internal temperatures stayed around 40°C under heavy traffic, making this an ultra-reliable optics transceiver for high-capacity telecom links.

102 Helpful vote Comments

Z***n

Lithuania

Verified Purchase

4 .0

2025-10-24

No issues at all with this 20km BiDi SFP28 performance, everything works smoothly. However, the logistics process felt a bit slow, especially during customs clearance.

23 Helpful vote Comments

G***x

Argentina

Verified Purchase

5 .0

2025-08-14

Solid 25G transmission over our 15km single-mode span with zero frame drops.

54 Helpful vote Comments

S***r

Egypt

Verified Purchase

5 .0

2025-06-04

Ordered a batch for a multi-building network upgrade where dark fiber availability was limited. Running these 1330/1270nm optics over single-strand SMF cut our fiber strand requirements in half. EEPROM compatibility was seamless across all line cards, and shipping was quick with proper anti-static packaging.

105 Helpful vote Comments

S***g

Ukraine

Verified Purchase

5 .0

2025-05-29

Real-time DOM telemetry works like a charm for monitoring optical power metrics.

66 Helpful vote Comments

N***d

Cambodia

Verified Purchase

5 .0

2025-04-28

Used in a campus network upgrade replacing dual-fiber 25G SFP28 modules. The 1330/1270nm BiDi design significantly reduced fiber usage. Signal integrity is excellent, and latency remains low. Integration with existing network infrastructure was seamless.

122 Helpful vote Comments

O***y

Libyan Arab Jamahiriya

Verified Purchase

4 .0

2025-03-05

Overall very satisfied with the optical performance and build quality. The only drawback was the longer delivery time, which might be a consideration for urgent projects.

28 Helpful vote Comments

D***r

United Arab Emirates

Verified Purchase

5 .0

2025-03-03

High-density SFP28 form factor with smooth latching mechanism for tight rack spaces.

56 Helpful vote Comments

P***w

Viet Nam

Verified Purchase

5 .0

2025-01-16

We run a regional access network and needed dependable simplex LC optics for central office aggregation links. These modules handled our peak traffic loads effortlessly. The 1330nm-TX and 1270nm-RX channels are well-isolated, showing excellent laser stability under heavy continuous utilization.

69 Helpful vote Comments

J***o

Sweden

Verified Purchase

5 .0

2024-05-31

Pleasantly surprised!! Great store. I will do business with them again. Good prices and quick ship!!

77 Helpful vote Comments

K***i

Ireland

Verified Purchase

5 .0

2024-04-20

I'm very happy with my transaction and purchase. The Optical Transceiver Module works with no issue. I would definitely recommend this company for customer service and speed. I will be purchasing from them again in the future.

99 Helpful vote Comments

J***e

United Arab Emirates

Verified Purchase

5 .0

2024-04-17

I received my order very Fast and in excellent condition. The 10/25/40G Transceiver Modules and Lan Transformer were exactly as stated and well packaged. I'll test them tomorrow and reedit the review.

55 Helpful vote Comments

L***u

Belarus

Verified Purchase

5 .0

2024-03-22

Quick delivery, good description of item, easy transaction.

63 Helpful vote Comments

A***u

Libyan Arab Jamahiriya

Verified Purchase

5 .0