Can I use standard OM3 or OM4 multimode fiber patch cords with this 10km SFP28 optical transceiver?

No, this is a single-mode transceiver operating at 1270nm/1330nm wavelengths and will not establish a link over multimode fiber.

Do I need to deploy these 25G BiDi SFP28 modules in complementary pairs?

Yes, the LS-BL273325-10C (1270nm-TX/1330nm-RX) must be paired with the complementary LS-BL332725-10C (1330nm-TX/1270nm-RX) module at the remote end of the link.

Can this 25G BiDi optical module be used for 5G wireless network front-haul links utilizing eCPRI protocols?

Yes, its physical layer design fully supports high-speed 25G eCPRI and CPRI wireless protocols alongside standard Ethernet data transmission.

Will the commercial module drop links if deployed in an uncooled street-side cabinet during summer?

If the cabinet interior exceeds 70°C, thermal protection may trigger; we highly recommend our industrial wide-temperature series for uncooled outdoor locations.

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

Name: HW 25GBase-BX-U Compatible LINK-PP 25G SFP28 BiDi 1270nm-TX/1330nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 212899
Price: 33.97 USD
Availability: InStock
Rating: 5 (9 reviews)

# 212899

Product: HW 25GBase-BX-U Compatible LINK-PP 25G SFP28 BiDi 1270nm-TX/1330nm-RX 10km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU: 212899
P/N: LS-BL273325-10C
Price: $ 39.5
Stock: 909 in Stock
Sold: 948
Product URL: https://www.l-p.com/products/477062.htm

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Manufacture: LINK-PP

P/N: LS-BL273325-10C

Compatible:: Cisco; LINK-PP; Arista; Broadcom; Brocade; FS; 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-U Compatible LINK-PP 25G SFP28 Specifications

25GBase-BX-U operates as an advanced 25G SFP28 BiDi optical transceiver module that leverages a 1270nm DFB laser alongside a highly responsive 1330nm PIN receiver to deliver a precise receiver sensitivity of less than -13dBm over links stretching up to 10km across 9/125µm single-mode fiber (SMF) within a standard 0°C to +70°C commercial temperature envelope.

HW Part Number	25GBase-BX-U	Vendor Name	LINK-PP
Form Factor	SFP28	Max Data Rate	25.78Gbps
Wavelength	1270nm-TX/1330nm-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
FEC Function	Not Supported	Operating Temperature Range	0°C to +70°C
Protocols	MSA Compliant, CPRI, eCPRI	Warranty	5 Years

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Q: Can I use standard OM3 or OM4 multimode fiber patch cords with this 10km SFP28 optical transceiver? By P***y on 2025-12-08

A: No, this is a single-mode transceiver operating at 1270nm/1330nm wavelengths and will not establish a link over multimode fiber. By admin on 2025-12-09
Q: Do I need to deploy these 25G BiDi SFP28 modules in complementary pairs? By M***e on 2025-11-17

A: Yes, the LS-BL273325-10C (1270nm-TX/1330nm-RX) must be paired with the complementary LS-BL332725-10C (1330nm-TX/1270nm-RX) module at the remote end of the link. By admin on 2025-11-18
Q: Can this 25G BiDi optical module be used for 5G wireless network front-haul links utilizing eCPRI protocols? By O***l on 2025-09-25

A: Yes, its physical layer design fully supports high-speed 25G eCPRI and CPRI wireless protocols alongside standard Ethernet data transmission. By admin on 2025-09-26
Q: Will the commercial module drop links if deployed in an uncooled street-side cabinet during summer? By N***s on 2025-07-05

A: If the cabinet interior exceeds 70°C, thermal protection may trigger; we highly recommend our industrial wide-temperature series for uncooled outdoor locations. By admin on 2025-07-06

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A***d

Egypt

Verified Purchase

5 .0

2026-04-03

DOM telemetry readings match our Fluke testers perfectly, fast dispatch from LINK-PP. (^_^)

73 Helpful vote Comments

B***l

South Africa

Verified Purchase

5 .0

2026-03-18

Running these 1270nm-TX/1330nm-RX BiDi optical modules on 9km single fiber strands, attenuation is well within margin bounds.

39 Helpful vote Comments

H***k

Indonesia

Verified Purchase

5 .0

2026-02-22

Upgraded our regional ISP edge aggregation boxes using these 25G SFP28 single-fiber modules. They follow SFF-8431 specs precisely, seating securely without any physical resistance. The simplex LC/UPC connector clicks in firmly. Optical budget is generous enough to handle multiple fusion splices along our older fiber plant. d=(^o^)=b

59 Helpful vote Comments

E***r

Argentina

Verified Purchase

5 .0

2026-01-12

LINK-PP is becoming our go-to vendor for enterprise optical transceivers. These 25G 10km SFP28 BiDi transceivers are running stably in a high-density aggregation tier. Tx power sits comfortably between -3 and +5dBm, and the DDM/DOM data is exposed cleanly through our switch CLI dashboard. Recommended for data center scaling.

98 Helpful vote Comments

Z***s

Norway

Verified Purchase

5 .0

2025-11-29

Best price-performance ratio for 25G SFP28 10km optics transceiver we've found for our municipal ring topology upgrades.

33 Helpful vote Comments

S***x

Russian Federation

Verified Purchase

5 .0

2025-08-24

Deployed a set of these LS-BL273325-10C optics to handle a critical high-speed link between our corporate headquarters and our secondary disaster recovery site located 8.2km away. The existing link was congested at 10G, and upgrading to 25G SFP28 BiDi allowed us to triple our synchronization throughput without changing a single inch of our single-mode fiber infrastructure. The simplex LC setup works perfectly. We paired this unit with the complementary 1330nm-TX/1270nm-RX optic on the remote side. Both ends established a stable link instantly on our switches. No framing errors, zero packet retransmissions, and a perfectly flat latency profile during full-capacity disaster recovery simulation testing. The Digital Diagnostics Monitoring interface provides instantaneous updates on transceiver metrics, giving us peace of mind for mission-critical storage replication. LINK-PP has delivered a highly reliable, plug-and-play solution that saved our infrastructure costs.

129 Helpful vote Comments

B***d

Italy

Verified Purchase

5 .0

2025-07-08

Solid 25G BiDi optical modules, saved us a ton on single-mode fiber infrastructure across our enterprise campus backbone.

57 Helpful vote Comments

L***s

Sweden

Verified Purchase

5 .0

2025-07-02

Our engineering team recently completed a large-scale data center migration project involving over two hundred 25G Ethernet server-to-switch interconnects. We chose the LS-BL273325-10C SFP28 modules for our high-density aggregation frames. A major technical hurdle with generic 25G optics is often clock and data recovery (CDR) unlock or signal integrity degradation when operating at peak 25.78Gbps line rates under full load. After a rigorous 72-hour burn-in phase using pseudorandom binary sequence (PRBS31) test patterns, these transceivers maintained zero pre-FEC and post-FEC bit errors. The physical build quality is robust; the zinc alloy housing provides superb EMI shielding, and the simplex LC/UPC optical interface ensures a secure mechanical fit that prevents physical drift or micro-disconnections. Furthermore, the real-time DOM telemetry features allowed us to map exact optical power values directly from our switch CLI. Outstanding engineering work by LINK-PP optical module!

147 Helpful vote Comments

N***y

Spain

Verified Purchase

5 .0

2025-06-24

Needed to upgrade our local corporate storage backup links to 25G. These simplex LC/UPC SMF transceivers dropped straight into our switches without throwing any 'unsupported transceiver' firmware alerts. The hot-swappable design and sturdy pull-tab pull down nicely during mid-row rack maintenance.

62 Helpful vote Comments