We are planning a large-scale ISP infrastructure upgrade. Do you offer tiered pricing discounts and B2B terms for volume purchases?

Yes, we offer volume-tiered discounts for bulk orders starting from 100+ units up to 6,000+ units. Enterprise and carrier clients can also request free evaluation samples, dedicated account management, and flexible Net Terms upon qualification.

Can this LS-BL49551G-A5C transceiver work seamlessly with Cisco, Juniper, and MikroTik switches without triggering third-party optic warnings?

Yes. We offer customized OEM EEPROM coding for major brands including Cisco, Juniper, Arista, MikroTik, Ubiquiti, Brocade, and Dell. The modules are fully compliant with the SFP Multi-Source Agreement (MSA), enabling true plug-and-play interoperability and flawless host identification without system alerts.

Is there an industrial-grade version of this 150km 1490nm-TX/1550nm-RX module for outdoor cabinet deployment in harsh temperature environments?

Yes. While the standard commercial model (LS-BL49551G-A5C) operates at 0°C to 70°C, we supply the industrial-temperature version (Part Number: LS-BL49551G-A5I) designed for outdoor telecom enclosures and roadside cabinets operating between -40°C and +85°C.

Which fiber optic cable type is required for this module, and which matching counterpart transceiver should be deployed at the remote end?

This transceiver requires standard single-mode fiber (OS2 / 9/125μm SMF) terminated with a Simplex LC connector. Because it transmits at 1490nm and receives at 1550nm, the remote end must be equipped with the complementary BiDi transceiver module (LS-BL55491G-A5C, 1550nm-TX / 1490nm-RX) to complete the 150km bi-directional link over a single fiber strand.

How does this LINK-PP transceiver compare to brand-original transceivers in terms of optical performance, reliability, and cost?

This module features a high-grade DFB laser transmitter and high-sensitivity PIN receiver, delivering optical performance, receiver sensitivity (

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LINK-PP LS-BL49551G-A5C 1G SFP BiDi 1490nm-TX/1550nm-RX 150km DOM Simplex LC SMF Optical Transceiver Module

Name: LINK-PP LS-BL49551G-A5C 1G SFP BiDi 1490nm-TX/1550nm-RX 150km DOM Simplex LC SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 205811
Price: 27.52 USD
Availability: InStock
Rating: 4.9 (25 reviews)

# 205811

Product: LINK-PP LS-BL49551G-A5C 1G SFP BiDi 1490nm-TX/1550nm-RX 150km DOM Simplex LC SMF Optical Transceiver Module
SKU: 205811
P/N: LS-BL49551G-A5C
Price: $ 32
Stock: 170 in Stock
Sold: 2.3K
Product URL: https://www.l-p.com/products/494098.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

25 Reviews

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$ 30.4

1000

$ 29.44

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$ 28.48

6000

$ 27.52

Manufacture: LINK-PP

P/N: LS-BL49551G-A5C

Compatible:: LINK-PP

Compatible P/N:: LS-BL31551G-02C | 2km; LS-BL55311G-02C | 2km; LS-BL31551G-03C | 3km; LS-BL31551G-03I | 3km; LS-BL55311G-03C | 3km; LS-BL55311G-03I | 3km; LS-BL31491G-10C | 10km; LS-BL31491G-10I | 10km; LS-BL31551G-10C | 10km; LS-BL31551G-10I | 10km; LS-BL31551GE-10C | 10km; LS-BL49311G-10C | 10km; LS-BL49311G-10I | 10km; LS-BL49551G-10C | 10km; LS-BL49551G-10I | 10km; LS-BL55311G-10C | 10km; LS-BL55311G-10I | 10km; LS-BL55311GE-10C | 10km; LS-BL55491G-10C | 10km; LS-BL55491G-10I | 10km; LS-BL31551G-15C | 15km; LS-BL31491G-20C | 20km; LS-BL31491G-20I | 20km; LS-BL31551G-20C | 20km; LS-BL31551G-20I | 20km; LS-BL49311G-20C | 20km; LS-BL49311G-20I | 20km; LS-BL49551G-20C | 20km; LS-BL55311G-20C | 20km; LS-BL55311G-20I | 20km; LS-BL55491G-20C | 20km; LS-BL31491G-40C | 40km; LS-BL31491G-40I | 40km; LS-BL31551G-40C | 40km; LS-BL31551G-40I | 40km; LS-BL49311G-40C | 40km; LS-BL49311G-40I | 40km; LS-BL55311G-40C | 40km; LS-BL55311G-40I | 40km; LS-BL31551G-60C | 60km; LS-BL31551G-60I | 60km; LS-BL49551G-60C | 60km; LS-BL55311G-60C | 60km; LS-BL55311G-60I | 60km; LS-BL55491G-60C | 60km; LS-BL27331G-80C | 80km; LS-BL33271G-80C | 80km; LS-BL49551G-80C | 80km; LS-BL49551G-80I | 80km; LS-BL55491G-80C | 80km; LS-BL55491G-80I | 80km; LS-BL49551G-A0C | 100km; LS-BL49551G-A0I | 100km; LS-BL55491G-A0C | 100km; LS-BL55491G-A0I | 100km; LS-BL49551G-A2C | 120km; LS-BL49551G-A2I | 120km; LS-BL55491G-A2C | 120km; LS-BL55491G-A2I | 120km; LS-BL49551G-A5C | 150km; LS-BL49551G-A5I | 150km; LS-BL55491G-A5C | 150km; LS-BL55491G-A5I | 150km; LS-BL49551G-A6C | 160km; LS-BL49551G-A6I | 160km; LS-BL55491G-A6C | 160km; LS-BL55491G-A6I | 160km

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LINK-PP LS-BL49551G-A5C 1G BiDi SFP Specifications

The LINK-PP LS-BL49551G-A5C is a high-performance 1.25Gbps optical transceiver designed for long-haul Gigabit Ethernet applications. Operating over single-mode fiber, this hot-pluggable SFP MSA compliant module delivers exceptional reliability. It operates on a single 3.3V power supply and supports standard commercial temperature ranges from 0°C to 70°C for enterprise networking environments.

LINK-PP Part Number	LS-BL49551G-A5C	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1490nm-TX/1550nm-RX	Max Cable Distance	150km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	APD
TX Power	0 to +5dBm	RX Power	-28 to -1dBm
Receiver Sensitivity	<-34dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	Fast Ethernet, Gigabit Fibre Channel, MSA Compliant

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Q: We are planning a large-scale ISP infrastructure upgrade. Do you offer tiered pricing discounts and B2B terms for volume purchases? By C***t on 2026-02-18

A: Yes, we offer volume-tiered discounts for bulk orders starting from 100+ units up to 6,000+ units. Enterprise and carrier clients can also request free evaluation samples, dedicated account management, and flexible Net Terms upon qualification. By admin on 2026-02-19
Q: Can this LS-BL49551G-A5C transceiver work seamlessly with Cisco, Juniper, and MikroTik switches without triggering third-party optic warnings? By S***s on 2025-05-23

A: Yes. We offer customized OEM EEPROM coding for major brands including Cisco, Juniper, Arista, MikroTik, Ubiquiti, Brocade, and Dell. The modules are fully compliant with the SFP Multi-Source Agreement (MSA), enabling true plug-and-play interoperability and flawless host identification without system alerts. By admin on 2025-05-23
Q: Is there an industrial-grade version of this 150km 1490nm-TX/1550nm-RX module for outdoor cabinet deployment in harsh temperature environments? By C***e on 2025-02-19

A: Yes. While the standard commercial model (LS-BL49551G-A5C) operates at 0°C to 70°C, we supply the industrial-temperature version (Part Number: LS-BL49551G-A5I) designed for outdoor telecom enclosures and roadside cabinets operating between -40°C and +85°C. By admin on 2025-02-19
Q: Which fiber optic cable type is required for this module, and which matching counterpart transceiver should be deployed at the remote end? By A***t on 2024-12-20

A: This transceiver requires standard single-mode fiber (OS2 / 9/125μm SMF) terminated with a Simplex LC connector. Because it transmits at 1490nm and receives at 1550nm, the remote end must be equipped with the complementary BiDi transceiver module (LS-BL55491G-A5C, 1550nm-TX / 1490nm-RX) to complete the 150km bi-directional link over a single fiber strand. By admin on 2024-12-20
Q: How does this LINK-PP transceiver compare to brand-original transceivers in terms of optical performance, reliability, and cost? By A***a on 2024-12-15

A: This module features a high-grade DFB laser transmitter and high-sensitivity PIN receiver, delivering optical performance, receiver sensitivity (<-34dBm), and BER levels identical to major OEM parts at a fraction of the cost. Every unit undergoes strict optical eye-diagram and host-device testing before shipment. By admin on 2024-12-15

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C***s

Chile

Verified Purchase

5 .0

2026-07-14

Simplex LC saved half our fiber cores on the remote tower backhaul setup.

78 Helpful vote Comments

C***s

Germany

Verified Purchase

5 .0

2026-07-08

Flawless long-haul single-mode SFP transceiver! ✨

35 Helpful vote Comments

C***g

Philippines

Verified Purchase

5 .0

2026-05-16

Plug-and-play on FS and Cisco core switches without single optical handshake issue. (•‿•)

144 Helpful vote Comments

C***s

Switzerland

Verified Purchase

5 .0

2026-04-24

Rock solid 1.25Gbps BiDi optic module.

161 Helpful vote Comments

D***n

Portugal

Verified Purchase

5 .0

2026-04-19

Clean Simplex LC connection, solid latch mechanism, and crisp DOM laser power readout.

29 Helpful vote Comments

L***n

Greece

Verified Purchase

5 .0

2026-04-08

DDM telemetry works like a charm on our Ubiquiti EdgeSwitch rackmount system. (^_^)

135 Helpful vote Comments

R***z

Denmark

Verified Purchase

5 .0

2026-03-17

Best budget 150km Simplex LC optic.

29 Helpful vote Comments

A***s

Viet Nam

Verified Purchase

5 .0

2026-03-09

DDM diagnostic readouts are extremely accurate.

46 Helpful vote Comments

D***n

Austria

Verified Purchase

4 .0

2026-03-02

Outer carton had a small dent upon DHL arrival, but transceiver works flawless.

4 Helpful vote Comments

W***a

Switzerland

Verified Purchase

5 .0

2026-02-07

Excellent optical power budget.

117 Helpful vote Comments

D***h

Ecuador

Verified Purchase

5 .0

2026-01-02

Instant link sync at 150km span! ⚡

173 Helpful vote Comments

J***z

Ukraine

Verified Purchase

5 .0

2025-12-12

Replaced costly OEM optics with this 150km module; transmission budget is surprisingly high.

208 Helpful vote Comments

D***n

Chile

Verified Purchase

5 .0

2025-12-01

Solid metal housing, zero CRC errors.

35 Helpful vote Comments

J***s

Portugal

Verified Purchase

5 .0

2025-11-01

Perfect Cisco compatibility out of the box.

181 Helpful vote Comments

B***e

Republic of Korea

Verified Purchase

5 .0

2025-10-29

Paired instantly with LS-BL55491G counterpart.

192 Helpful vote Comments

E***n

Thailand

Verified Purchase

5 .0

2025-10-28

Pure plug and play reliability.

42 Helpful vote Comments

W***r

Ecuador

Verified Purchase

5 .0

2025-10-08

Solid DFB laser signal strength over 125km single-mode span, running cool at 42°C. ❄️

78 Helpful vote Comments

L***l

Austria

Verified Purchase

5 .0

2025-09-05

Deployed this 1G BiDi 1490/1550nm module on a 130km single-mode link between regional data centers. DDM reports stable -22dBm RX power on our Cisco Catalyst switch without any dropped packets.

56 Helpful vote Comments

R***h

Greece

Verified Purchase

5 .0

2025-09-01

Flashed for Juniper MX router, tested across 140km dark fiber span. The DFB transmitter holds rock-solid output at +3dBm, saving us massive fiber leasing costs by utilizing single LC strand.

135 Helpful vote Comments

B***l

Ukraine

Verified Purchase

5 .0

2025-08-06

Upgraded our ISP backbone across rural substations with these 150km 1.25G BiDi SFPs. Zero CRC errors logged over two weeks of continuous stress testing. Outstanding optical budget and build quality!

162 Helpful vote Comments

D***r

Ukraine

Verified Purchase

5 .0

2025-07-19

Flawless interoperability across our MikroTik CCR and Arista aggregation switches. DOM optical metrics show precise temperature and voltage telemetry. Easily bridged our remote campus nodes over 120km SMF infrastructure. ⚡

126 Helpful vote Comments

A***n

Republic of Korea

Verified Purchase

5 .0

2025-06-29

Outstanding 1.25Gbps single-fiber transceiver for long-haul enterprise inter-building campus optical backbones.

226 Helpful vote Comments

R***t

Greece

Verified Purchase

5 .0