Why does the LS-BL495510-80C module use an EML laser instead of a DML laser?

At 80km distances, chromatic dispersion degrades signals. An Electro-absorption Modulated Laser (EML) provides lower chirp and higher signal stability over long distances than a Distributed Feedback (DML) laser.

How does the APD receiver benefit long-haul 80km transmission?

The Avalanche Photodiode (APD) receiver offers significantly higher optical sensitivity compared to standard PIN receivers. This allows the module to reliably decode weak incoming signals after experiencing high attenuation over long distances.

What real-time metrics can I monitor using the built-in DOM feature?

The Digital Optical Monitoring (DOM) interface tracks five critical parameters: optical output power, optical input (receiver) power, internal transceiver temperature, laser bias current, and module supply voltage.

Does the 80km range mean it will always work up to that exact distance?

The 80km rating is an architectural estimate based on standard Single-Mode Fiber (SMF) loss. Your actual distance depends on total optical link budget loss (splices, patches, and fiber quality).

Does the zinc alloy housing provide adequate shielding against electromagnetic interference in high-density aggregation racks?

Yes, the fully enclosed metal chassis is engineered specifically to minimize EMI and handle tight, adjacent port configurations safely.

Does the internal optical engine use an Avalanche Photodiode (APD) or a PIN receiver to achieve the 80km reach?

This long-haul module utilizes a highly sensitive Avalanche Photodiode (APD) receiver to accurately detect weak signals across high-attenuation single-mode fiber runs.

Can we pair this 1490nm-TX/1550nm-RX module with any standard matching 1550nm-TX/1490nm-RX 80km SFP+ optic on the remote end?

Absolutely, as long as the remote transceiver uses the exact complementary wavelengths and supports standard 10G signaling over single-mode fiber.

Can this module achieve the full 80km distance if our single-mode fiber plant has multiple mechanical splices?

The 80km rating assumes standard fiber attenuation metrics; you must calculate your total link loss budget against the module's specified optical power margin.

Can this module report internal laser bias current and supply voltage in real time, or does it only report basic TX/RX optical power?

The digital diagnostics monitoring (DOM) interface complies fully with SFF-8472, providing real-time telemetry for laser bias, internal temperature, supply voltage, and absolute optical power.

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LINK-PP LS-BL495510-80C 10G SFP+ BiDi 1490nm-TX/1550nm-RX 80km Simplex LC/UPC DOM SMF Optical Transceiver Module

Name: LINK-PP LS-BL495510-80C 10G SFP+ BiDi 1490nm-TX/1550nm-RX 80km Simplex LC/UPC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 181693
Price: 298.248 USD
Availability: InStock
Rating: 4.9 (51 reviews)

# 181693

Product: LINK-PP LS-BL495510-80C 10G SFP+ BiDi 1490nm-TX/1550nm-RX 80km Simplex LC/UPC DOM SMF Optical Transceiver Module
SKU: 181693
P/N: LS-BL495510-80C
Price: $ 346.8
Stock: 1100 in Stock
Sold: 1.9K
Product URL: https://www.l-p.com/products/476023.htm

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Compatible:: Cisco; LINK-PP; Arista; Brocade; D-Link; DELL; Extreme; FS; Fortinet; Generic; H3C; Juniper

Compatible P/N:: LS-BL273310-10C | 10km; LS-BL273310-10I | 10km; LS-BL332710-10C | 10km; LS-BL332710-10I | 10km; LS-BL273310-20C | 20km; LS-BL273310-20I | 20km; LS-BL332710-20C | 20km; LS-BL332710-20I | 20km; LS-BL273310-40C | 40km; LS-BL273310-40I | 40km; LS-BL332710-40C | 40km; LS-BL332710-40I | 40km; LS-BL273310-60C | 60km; LS-BL273310-60I | 60km; LS-BL332710-60C | 60km; LS-BL332710-60I | 60km; LS-BL495510-80C | 80km; LS-BL495510-80I | 80km; LS-BL554910-80C | 80km; LS-BL554910-80I | 80km; LS-BL495510-A0C | 100km; LS-BL495510-A0I | 100km; LS-BL554910-A0C | 100km; LS-BL554910-A0I | 100km

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LINK-PP LS-BL495510-80C 10G SFP+ Specifications

LINK-PP LS-BL495510-80C operates as a single-fiber BiDi SFP+ transceiver utilizing a 1490nm-TX/1550nm-RX wavelength pair to achieve simultaneous bidirectional 10Gbps data transmission over a single strand of single-mode fiber up to an 80km reach via a simplex LC/UPC interface with integrated DOM support.

LINK-PP Part Number	LS-BL495510-80C	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1490nm-TX/1550nm-RX	Max Cable Distance	80km
Connector	Simplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	APD
TX Power	-1 to +5dBm	RX Power	-23 to -6dBm
Receiver Sensitivity	-22dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI

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Q: Does the zinc alloy housing provide adequate shielding against electromagnetic interference in high-density aggregation racks? By T***h on 2026-03-17

A: Yes, the fully enclosed metal chassis is engineered specifically to minimize EMI and handle tight, adjacent port configurations safely. By admin on 2026-03-18
Q: Does the internal optical engine use an Avalanche Photodiode (APD) or a PIN receiver to achieve the 80km reach? By C***y on 2026-01-03

A: This long-haul module utilizes a highly sensitive Avalanche Photodiode (APD) receiver to accurately detect weak signals across high-attenuation single-mode fiber runs. By Lily6 on 2026-01-04
Q: Can we pair this 1490nm-TX/1550nm-RX module with any standard matching 1550nm-TX/1490nm-RX 80km SFP+ optic on the remote end? By L***p on 2025-11-22

A: Absolutely, as long as the remote transceiver uses the exact complementary wavelengths and supports standard 10G signaling over single-mode fiber. By admin on 2025-11-23
Q: Can this module achieve the full 80km distance if our single-mode fiber plant has multiple mechanical splices? By R***n on 2025-09-05

A: The 80km rating assumes standard fiber attenuation metrics; you must calculate your total link loss budget against the module's specified optical power margin. By admin on 2025-09-06
Q: Can this module report internal laser bias current and supply voltage in real time, or does it only report basic TX/RX optical power? By P***k on 2025-07-12

A: The digital diagnostics monitoring (DOM) interface complies fully with SFF-8472, providing real-time telemetry for laser bias, internal temperature, supply voltage, and absolute optical power. By admin on 2025-07-13

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J***g

Austria

Verified Purchase

5 .0

2026-05-09

Excellent thermal engineering on these 10G SFP enclosures, which is critical for our high-density deployments. Even when tightly packed into our top-of-rack leaf switches under heavy line-rate traffic, the operating temperature stays well below the 70°C commercial threshold. No signs of localized overheating or unexpected link drops.

41 Helpful vote Comments

Z***n

Ireland

Verified Purchase

5 .0

2026-05-01

Migrating our legacy campus backbone to a robust 10G topology required optics that could handle significant attenuation across an old fiber plant with multiple mechanical splices. These transceivers provided enough amplification and receiver sensitivity to overcome the high decibel loss on our 60km run. The DOM interface made it easy to dial in the link, showing us exactly how much margin we had left so we could adjust our patch cables accordingly.

69 Helpful vote Comments

E***x

Austria

Verified Purchase

5 .0

2026-04-17

Impressive thermal management—modules stay cool even in packed aggregation chassis.

35 Helpful vote Comments

Y***m

Indonesia

Verified Purchase

5 .0

2026-04-12

For our regional wireless basestation backhaul project, we needed a reliable 10G link that could handle a 67km span without intermediate regeneration sites. These 1490nm-TX/1550nm-RX modules provided the exact optical power budget required. The simplex single-mode fiber configuration allowed us to leave the second fiber strand open for future redundancy or a separate dedicated link. No frame loss or latency spikes were observed during peak traffic simulation testing.

114 Helpful vote Comments

X***h

Hungary

Verified Purchase

5 .0

2026-03-26

In our municipal metro aggregation network, fiber strand availability is always a constraint. Moving from dual-fiber optics to these 10G SFP+ BiDi 80km simplex modules effectively doubled our infrastructure capacity overnight. The Simplex LC/UPC interface ensures a tight, repeatable physical connection. We ran eye pattern captures on the transmitter side, and the optical eye opening shows excellent margin with no jitter issues or signal distortion, even when operating near the thermal limits of our top-of-rack switches.

72 Helpful vote Comments

H***y

United Arab Emirates

Verified Purchase

5 .0

2026-03-07

Excellent 10G SFP+ BiDi 80km optics with an impressive power budget for long-haul enterprise spans. I checked the digital diagnostics monitoring data via our chassis CLI, and the receiver sensitivity has plenty of dB margin left over a 65km single-mode run. The physical build quality feels premium and the latching mechanism is very secure.

63 Helpful vote Comments

L***y

Belgium

Verified Purchase

5 .0

2026-02-18

The 1490nm/1550nm wavelength separation is incredibly clean, showing no signs of internal cross-talk during our long-distance stress tests. We ran continuous PRBS streams over our 68km fiber plant and observed zero frame loss or latency spikes. It is refreshing to get high-spec long-haul optics that perform precisely as advertised.

59 Helpful vote Comments

W***h

Hong Kong

Verified Purchase

4 .0

2026-02-05

The outer shipping carton could be slightly stiffer to withstand rough handling by international couriers. The modules inside were perfectly intact, passed all our loopback tests, and are now live in production.

13 Helpful vote Comments

B***y

Bulgaria

Verified Purchase

5 .0

2026-01-23

SFF-8472 registers poll cleanly on our automated SNMP monitoring scripts.

27 Helpful vote Comments

V***t

France

Verified Purchase

4 .0

2026-01-14

Took a bit longer than expected to clear local customs inspection, which delayed our project staging by two days. Once received, the optics worked immediately without any configuration issues.

24 Helpful vote Comments

U***r

Finland

Verified Purchase

4 .0

2025-12-23

Optics are performing perfectly on our 70km link, but the outer shipping box arrived with a noticeable crease on the corner. Thankfully, the internal product packaging was secure and the transceivers themselves were completely undamaged. Link is up and stable.

18 Helpful vote Comments

C***w

Belgium

Verified Purchase

5 .0

2025-12-05

The 1490nm/1550nm wavelength separation is razor-sharp on our spectral analyzer.

19 Helpful vote Comments

G***n

United Arab Emirates

Verified Purchase

5 .0

2025-11-19

We needed to bridge two distribution points roughly 70km apart across our regional network expansion. These 1490nm-TX/1550nm-RX optics did the trick perfectly over a single strand of dark fiber, saving our team from leasing a second line. The links initialized instantly at full 10G speed without any manual tuning needed on our core infrastructure.

55 Helpful vote Comments

T***h

Spain

Verified Purchase

5 .0

2025-11-08

The simplex LC connector architecture provides solid physical retention, preventing any accidental fiber disconnects in busy distribution frames. We have experienced zero signal degradation or reflection issues since moving our long-haul trunks over to these modules. Solid engineering all around for network infrastructure.

82 Helpful vote Comments

S***y

Denmark

Verified Purchase

5 .0

2025-10-29

Straightforward standard compliance is exactly what we look for when selecting third-party optics for our mixed environment. These modules interoperate flawlessly across our multi-vendor distribution switches without throwing any unverified hardware warnings. It makes inventory management significantly easier for our team.

94 Helpful vote Comments

K***e

Australia

Verified Purchase

5 .0

2025-10-12

Our engineering team is migrating our regional ring to single-strand 10G connections to free up capacity for future expansion. These Simplex LC modules are keeping our infrastructure budget well under control while delivering flawless uptime. Delivery was fast and the technical specifications match our deployment requirements exactly.

72 Helpful vote Comments

R***y

Germany

Verified Purchase

5 .0

2025-09-20

Perfect match for our 10G metro ring networks where we frequently encounter diverse routing paths. The standard mechanical latching mechanism feels robust and handles repeated patching cycles without wearing down. They fit nicely into standard cages without blocking adjacent ports or causing physical clutter.

85 Helpful vote Comments

F***m

Argentina

Verified Purchase

5 .0

2025-09-02

Standard-compliant DOM telemetry makes remote troubleshooting incredibly easy. ✌️

28 Helpful vote Comments

Q***e

Belarus

Verified Purchase

5 .0

2025-08-31

The optical spectrum looks incredibly sharp and narrow on our lab analyzer, which is exactly what you want for an 80km SFP module. The 1490nm transmit and 1550nm receive paths maintain precise isolation even under synthetic full-duplex load testing. These are engineered properly and build quality feels like it will last for years.

77 Helpful vote Comments

A***y

Brunei Darussalam

Verified Purchase

5 .0

2025-08-14

Sashed 70km with a crisp 10G eye-pattern and plenty of optical margin left.

13 Helpful vote Comments

I***s

Argentina

Verified Purchase

5 .0

2025-07-30

Deployed these in our central office for metro Ethernet aggregation and the fiber savings are already paying off. The simplex LC interface snaps in perfectly and line-rate traffic has been rock solid for three weeks straight under heavy production loads. If you are constrained by physical fiber strands, this 80km kit is a no-brainer.

106 Helpful vote Comments

P***s

Canada

Verified Purchase

5 .0

2025-07-22

Clean mechanical design, low power consumption per port, and full compliance with standard networking protocols. We populated an entire line card with these for our greenfield telecom deployment and the power draw was well within switch tolerances. Our field engineers are highly satisfied with how easy they are to deploy. (•‿•)

35 Helpful vote Comments

D***y

Australia

Verified Purchase

5 .0

2025-06-28

Snug physical fit in our high-density leaf switches, zero cage friction. (^_^)

23 Helpful vote Comments

O***l

Brazil

Verified Purchase

5 .0

2025-06-14

We haven't experienced a single link flap or CRC error over a challenging 72km single-mode fiber run. These 80km transceivers provide incredible peace of mind for our core transport layer where downtime is not an option. The shipping was prompt and each optic came individually sealed in anti-static protective bags.

102 Helpful vote Comments

N***y

Brunei Darussalam

Verified Purchase

5 .0

2025-05-03

Used these modules for a critical basestation backhaul link upgrade spanning across a rural development zone. The 80km optical budget gives our field technicians the safety margin they need to overcome legacy patch panels and messy splices. We are seeing perfectly consistent throughput even during peak evening traffic hours.

61 Helpful vote Comments

A***r

Israel

Verified Purchase

5 .0

2025-04-28

Deployed these optics to aggregate traffic from several remote FWA towers back to our central point of presence. The 80km budget allowed us to route through a longer path to bypass a broken fiber conduit without losing link stability. The transceivers have been operating continuously under high data loads for months, with zero link flaps or transceiver-related alarms recorded in our system logs.

88 Helpful vote Comments

M***y

Bulgaria

Verified Purchase

5 .0

2025-04-15

Standard 10G SFP+ form factor fits snugly into our aggregation cages without forcing the mechanical release tab. The integrated DDM power metrics match our standalone optical power meter readouts down to the fraction of a decibel. These are definitely going on our standard bill of materials for upcoming data center interconnect projects.

78 Helpful vote Comments

A***l

Brunei Darussalam

Verified Purchase

5 .0

2024-04-16

I was provided with fantastic, friendly, and Fast service. I would definitely recommend l-p.com to anyone who also wants to buy Optics Transceiver Modules

67 Helpful vote Comments

P***u

Belgium

Verified Purchase

5 .0

2024-02-19

Product not tested, is yet to be installed but awsome customer assistance during my order. Good packaging, Fast delivery in France.

109 Helpful vote Comments

D***e

Argentina

Verified Purchase

5 .0

2024-02-03

I have ordered from them for years. you can always reach someone to help you with your problem. i recommend l-p.com.

62 Helpful vote Comments

S***d

United States

Verified Purchase

5 .0

2024-01-26

My experience with LINK-PP is the best. Everytime I need something this is the first place I search. It is so easy to do business with you and to find what I need without the hassle.

72 Helpful vote Comments

d***a

United States

Verified Purchase

5 .0

2023-12-29

Great service! Fast delivery and great attentiveness to any inquiries you might have.

69 Helpful vote Comments

R***k

United Arab Emirates

Verified Purchase

5 .0

2023-12-25

These are quality built, and look great.

142 Helpful vote Comments

J***e

Turkey

Verified Purchase

5 .0

2023-12-09

I have had several transactions withLink-pp and my Account Manager Summer is very efficient and conscientious to make sure everything goes just right.

101 Helpful vote Comments

S***s

Cambodia

Verified Purchase

5 .0

2023-11-26

Even though there were some adjustments, they served me well.

64 Helpful vote Comments

J***n

Norway

Verified Purchase

5 .0