We are planning a regional substation network upgrade. Do you offer volume tier pricing or project discounts for bulk orders over 500 units?

Absolutely. We offer tiered bulk pricing directly on the product page (ranging from single-unit pricing down to tiered volume discounts for 100, 1,000, and 3,000+ units). For enterprise rollouts or tender bids requiring customized packaging and scheduled batch shipments, our B2B sales team can provide formal commercial quotes and net payment terms.

Will this 1G BiDi SFP transceiver work seamlessly with our existing Cisco Catalyst, Juniper, and MikroTik switches without triggering unsupported transceiver alarms?

Yes. The LS-BL55491G-A5I is built strictly to standard SFP MSA specifications and comes pre-coded for universal multi-vendor interoperability. It supports full hot-swapping and communicates transparently via SFF-8472 digital diagnostics across Cisco, Juniper, Arista, MikroTik, Ubiquiti, and other mainstream networking equipment without throwing proprietary locking errors.

Which fiber patch cable and matching mating transceiver do I need to establish a complete 150km BiDi connection?

This module requires standard Single Mode Fiber (OS2 SMF, 9/125μm) terminated with a Simplex LC connector. Because it transmits at 1550nm and receives at 1490nm (1550nm-TX / 1490nm-RX), the remote end of your fiber link must be fitted with the complementary mating transceiver: LINK-PP part number聽LS-BL49551G-A5I聽(1490nm-TX / 1550nm-RX 150km Industrial).

Does this optical module comply with international telecom standards, laser safety classifications, and environmental directives?

Yes. The transceiver strictly adheres to IEEE 802.3ah 1000BASE-BX, SFP MSA, and SFF-8472 standards. It is certified Class 1 Laser Safety compliant under IEC 60825-1, as well as CE, FCC, and RoHS compliant, fulfilling all enterprise compliance and data center deployment prerequisites.

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LINK-PP LS-BL55491G-A5I 1G SFP BiDi 1550nm-TX/1490nm-RX 150km DOM Simplex LC SMF Optical Transceiver Module (Industrial)

Name: LINK-PP LS-BL55491G-A5I 1G SFP BiDi 1550nm-TX/1490nm-RX 150km DOM Simplex LC SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 207166
Price: 43.86 USD
Availability: InStock
Rating: 4.9 (25 reviews)

# 207166

Product: LINK-PP LS-BL55491G-A5I 1G SFP BiDi 1550nm-TX/1490nm-RX 150km DOM Simplex LC SMF Optical Transceiver Module (Industrial)
SKU: 207166
P/N: LS-BL55491G-A5I
Price: $ 51
Stock: 590 in Stock
Sold: 1.4K
Product URL: https://www.l-p.com/products/494473.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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$ 48.45

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$ 46.92

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Manufacture: LINK-PP

P/N: LS-BL55491G-A5I

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-BL55491G-A5I 1G BiDi SFP Specifications

The LINK-PP LS-BL55491G-A5I is an industrial-grade 1G BiDi SFP optical transceiver designed for extreme environments. Operating from -40°C to +85°C, this single-mode module delivers up to 1.25Gbps data rates. Featuring a highly sensitive APD detector and premium DFB laser, it guarantees exceptional optical network performance across 150km transmission links.

LINK-PP Part Number	LS-BL55491G-A5I	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1550nm-TX/1490nm-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	-40 to 85°C	Protocols	SFP MSA、SFF-8472

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Q: We are planning a regional substation network upgrade. Do you offer volume tier pricing or project discounts for bulk orders over 500 units? By S***r on 2026-04-21

A: Absolutely. We offer tiered bulk pricing directly on the product page (ranging from single-unit pricing down to tiered volume discounts for 100, 1,000, and 3,000+ units). For enterprise rollouts or tender bids requiring customized packaging and scheduled batch shipments, our B2B sales team can provide formal commercial quotes and net payment terms. By admin on 2026-04-21
Q: Will this 1G BiDi SFP transceiver work seamlessly with our existing Cisco Catalyst, Juniper, and MikroTik switches without triggering unsupported transceiver alarms? By D***l on 2026-03-10

A: Yes. The LS-BL55491G-A5I is built strictly to standard SFP MSA specifications and comes pre-coded for universal multi-vendor interoperability. It supports full hot-swapping and communicates transparently via SFF-8472 digital diagnostics across Cisco, Juniper, Arista, MikroTik, Ubiquiti, and other mainstream networking equipment without throwing proprietary locking errors. By admin on 2026-03-10
Q: Which fiber patch cable and matching mating transceiver do I need to establish a complete 150km BiDi connection? By P***t on 2025-12-27

A: This module requires standard Single Mode Fiber (OS2 SMF, 9/125μm) terminated with a Simplex LC connector. Because it transmits at 1550nm and receives at 1490nm (1550nm-TX / 1490nm-RX), the remote end of your fiber link must be fitted with the complementary mating transceiver: LINK-PP part number聽LS-BL49551G-A5I聽(1490nm-TX / 1550nm-RX 150km Industrial). By admin on 2025-12-27
Q: Does this optical module comply with international telecom standards, laser safety classifications, and environmental directives? By S***a on 2025-11-05

A: Yes. The transceiver strictly adheres to IEEE 802.3ah 1000BASE-BX, SFP MSA, and SFF-8472 standards. It is certified Class 1 Laser Safety compliant under IEC 60825-1, as well as CE, FCC, and RoHS compliant, fulfilling all enterprise compliance and data center deployment prerequisites. By admin on 2025-11-06

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M***n

Dominican Republic

Verified Purchase

5 .0

2026-07-13

Top tier build quality and pricing.

38 Helpful vote Comments

C***g

Singapore

Verified Purchase

5 .0

2026-06-04

Accurate 1550TX wavelength, zero CRC errors.

99 Helpful vote Comments

K***n

France

Verified Purchase

4 .0

2026-06-02

Outer box was slightly crushed during transit, but the 150km transceiver works flawlessly.

6 Helpful vote Comments

R***s

Venezuela

Verified Purchase

5 .0

2026-05-29

Bench-tested alongside OEM optics on Juniper routers. Optical eye diagram is exceptionally clean, 1550nm DFB laser output stayed at steady +3.2dBm, delivering identical carrier-grade performance at a fraction of cost.

130 Helpful vote Comments

M***s

Norway

Verified Purchase

5 .0

2026-03-31

Works reliably in harsh outdoor cabinets.

212 Helpful vote Comments

M***r

Portugal

Verified Purchase

5 .0

2026-03-27

Excellent APD receiver sensitivity on SMF.

104 Helpful vote Comments

C***z

Republic of Korea

Verified Purchase

4 .0

2026-03-27

Delivery took two days longer than expected, yet the industrial BiDi optic performed perfectly.

10 Helpful vote Comments

A***s

Norway

Verified Purchase

5 .0

2026-02-13

DOM optical diagnostics report precise TX power levels in our outdoor telecom cabinet setup.

239 Helpful vote Comments

S***s

Argentina

Verified Purchase

5 .0

2026-02-05

Seamlessly recognized by our MikroTik switch without any vendor lock-in issues whatsoever.

234 Helpful vote Comments

W***z

Belgium

Verified Purchase

5 .0

2026-01-29

Deployed this 150km BiDi SFP on an unamplified 130km single-mode link between municipal facilities. APD sensitivity easily registered at -31.5dBm DOM level with zero packet drops under full load.

68 Helpful vote Comments

B***r

Malaysia

Verified Purchase

5 .0

2026-01-15

Crucial single-mode simplex LC transceiver for cutting physical fiber core usage in half.

80 Helpful vote Comments

S***n

Taiwan, Province of China

Verified Purchase

5 .0

2026-01-10

Great industrial wide-temp SFP optics. ⚡

129 Helpful vote Comments

D***s

Poland

Verified Purchase

5 .0

2025-12-20

Saved substantial budget upgrading our rural utility backbone. Single-fiber bidirectional transmission doubled our SMF capacity instantly, while accurate DDM telemetry simplified real-time remote monitoring from our central NOC.

101 Helpful vote Comments

J***g

Costa Rica

Verified Purchase

5 .0

2025-12-19

The DFB laser and APD receiver provide plenty of optical link margin.

210 Helpful vote Comments

W***n

Ghana

Verified Purchase

5 .0

2025-10-28

Installed across rugged outdoor base station cabinets in Arizona. Despite summer ambient temps topping 45°C, the industrial -40°C to 85°C casing kept internal laser bias completely within nominal SFF-8472 limits.

270 Helpful vote Comments

D***r

France

Verified Purchase

5 .0

2025-09-17

No packet loss over long haul. ^_^

216 Helpful vote Comments

A***e

Panama

Verified Purchase

5 .0