We rely heavily on SNMP monitoring for our infrastructure health. Can our network management software read the actual optical power and internal temperature of these transceivers?

Yes, the built-in DOM (Digital Optical Monitoring) provides real-time telemetry. You can easily track laser bias current, Tx/Rx power, and operating temperature through your switch CLI or monitoring dashboard.

Can I connect this module to another LS-BL332725-10C module on the opposite side of the link?

No, you cannot. This module transmits at 1330nm and receives at 1270nm, so it must be paired with its complementary counterpart (1270nm-TX / 1330nm-RX) on the other end.

We are planning to bump our core-to-distribution links from 10G to 25G using existing single-mode strands. Can we achieve full 25Gbps line rate over a single fiber without laying new infrastructure?

Yes, absolutely. The LS-BL332725-10C uses BiDi technology (1330nm-TX/1270nm-RX) to deliver full 25G bidirectional throughput over a single simplex SMF strand, effectively doubling your fiber capacity.

Will this module experience signal crosstalk because it transmits and receives on the same fiber strand?

No, because the TX (1330nm) and RX (1270nm) use completely different light wavelengths, there is zero signal interference or crosstalk.

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HW 25GBase-BX-D Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module

Name: HW 25GBase-BX-D Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 217146
Price: 33.97 USD
Availability: InStock
Rating: 5 (16 reviews)

# 217146

Product: HW 25GBase-BX-D Compatible LINK-PP 25G SFP28 BiDi 1330nm-TX/1270nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU: 217146
P/N: LS-BL332725-10C
Price: $ 39.5
Stock: 816 in Stock
Sold: 1.5K
Product URL: https://www.l-p.com/products/477373.htm

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Manufacture: LINK-PP

P/N: LS-BL332725-10C

Compatible:: Cisco; LINK-PP; Arista; Broadcom; Brocade; FS; HPE Aruba; HW; Juniper; Mellanox

Compatible P/N:: 25GBase-BX-D | 10km; 25GBase-BX-U | 10km; SFP-25G-BXD1-I | 10km; SFP-25G-LR-BXU1-I | 10km; 25GBase-BX-U | 20km; SFP-25G-eLR-BXU1-I | 20km; 25GBase-BX-D4 | 40km; 25GBase-BX-D4-I | 40km; 25GBase-BX-U4 | 40km; 25GBase-BX-U4-I | 40km

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HW 25GBase-BX-D Compatible LINK-PP 25G SFP28 Specifications

25GBase-BX-D is a single-channel, hot-pluggable 25G SFP28 BiDi optical transceiver that leverages bidirectional 1330nm-TX/1270nm-RX wavelengths to drive 25Gbps data rates over a 10km single-mode fiber link, engineered for commercial network reliability across a 0°C to +70°C temperature envelope.

HW Part Number	25GBase-BX-D	Vendor Name	LINK-PP
Form Factor	SFP28	Max Data Rate	25.78Gbps
Wavelength	1330nm-TX/1270nm-RX	Max Cable Distance	10km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-3 to +5dBm	RX Power	-14 to +3dBm
Receiver Sensitivity	＜-13dBm	Receiver Overload	2dBm
Operating Temperature Range	0 to 70°C	Protocols	MSA Compliant, CPRI, eCPRI

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Q: We rely heavily on SNMP monitoring for our infrastructure health. Can our network management software read the actual optical power and internal temperature of these transceivers? By Q***m on 2026-04-06

A: Yes, the built-in DOM (Digital Optical Monitoring) provides real-time telemetry. You can easily track laser bias current, Tx/Rx power, and operating temperature through your switch CLI or monitoring dashboard. By admin on 2026-04-07
Q: Can I connect this module to another LS-BL332725-10C module on the opposite side of the link? By N***e on 2026-01-07

A: No, you cannot. This module transmits at 1330nm and receives at 1270nm, so it must be paired with its complementary counterpart (1270nm-TX / 1330nm-RX) on the other end. By admin on 2026-01-08
Q: We are planning to bump our core-to-distribution links from 10G to 25G using existing single-mode strands. Can we achieve full 25Gbps line rate over a single fiber without laying new infrastructure? By P***n on 2025-09-03

A: Yes, absolutely. The LS-BL332725-10C uses BiDi technology (1330nm-TX/1270nm-RX) to deliver full 25G bidirectional throughput over a single simplex SMF strand, effectively doubling your fiber capacity. By admin on 2025-09-04
Q: Will this module experience signal crosstalk because it transmits and receives on the same fiber strand? By O***y on 2025-07-21

A: No, because the TX (1330nm) and RX (1270nm) use completely different light wavelengths, there is zero signal interference or crosstalk. By admin on 2025-07-22

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M***e

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2026-04-23

Budget constraints meant we couldn't pull new fiber cables for our campus upgrade, making these single-strand BiDi optics the perfect choice. We mixed them across our multi-vendor hardware setup, and the EEPROM coding worked flawlessly without throwing any unsupported transceiver alerts. Wavelength separation between the 1330nm and 1270nm channels is perfectly balanced with no noticeable crosstalk over our 7km links. Operating temperatures inside our top-of-rack switches stabilized at a modest 39°C under heavy loads. It is a very reliable product that saved us a massive amount of infrastructure expenses.

137 Helpful vote Comments

C***n

Argentina

Verified Purchase

5 .0

2026-02-22

Perfect compatibility with our routers. We just plugged them into the SFP28 slots, and the 25G links initialized immediately. Having DOM support at this price point makes infrastructure scaling much less painful. Highly recommended for regional ISPs!

61 Helpful vote Comments

P***y

Philippines

Verified Purchase

5 .0

2026-01-10

Saved us half our fiber strand budget on the campus link by switching to these 1330/1270nm BiDi optics. Real game-changer.

68 Helpful vote Comments

S***l

Ukraine

Verified Purchase

5 .0

2025-12-11

DOM telemetry maps perfectly in our monitoring stack — Tx/Rx dBm levels are spot on compared to our Fluke meters.

81 Helpful vote Comments

S***h

Cambodia

Verified Purchase

5 .0

2025-10-27

Fantastic 25G BiDi solution. We benchmarked them using our network packet generator, and they maintained full line-rate throughput across the 10km limit without rising error counts. Will definitely order more for our upcoming colocation expansion.

113 Helpful vote Comments

E***h

Morocco

Verified Purchase

5 .0

2025-08-07

For our regional backhaul network, we needed a robust 25G SFP28 optical transceiver module capable of connecting our core site to a remote node. Running over a single strand of single-mode fiber with simplex LC connectors, the link budget provided an excellent margin of safety. Our testing tools registered an attenuation curve well within acceptable limits, keeping our link state completely stable even during heavy rain storms. The best part is the built-in DDM functionality, which lets our remote team verify laser health from the central console. It's rare to find high-speed optics that deliver this level of signal integrity.

122 Helpful vote Comments

M***r

United Arab Emirates

Verified Purchase

5 .0

2025-07-11

Great build quality on the locking latch mechanisms. I've had issues with cheap third-party SFP28 optics breaking during hot-swaps, but these LINK-PP ones feel sturdy and industrial.

100 Helpful vote Comments

R***w

New Zealand

Verified Purchase

5 .0

2025-05-11

Using these Simplex LC BiDi optical modules to link two separate server rooms across the campus. The real-time DOM telemetry helps our monitoring stack stay ahead of any signal degradation. Will definitely choose LINK-PP for our next batch of data center optics transceivers.

141 Helpful vote Comments

D***i

Sweden

Verified Purchase

5 .0

2024-05-06

It was exactly what we needed and delivered in a short amount of time!

95 Helpful vote Comments

D***n

India

Verified Purchase

5 .0