Can I install this LS-CW5310-10C module in an outdoor cabinet? The temperature can reach around 75°C in summer.

This commercial-grade CWDM module is rated for 0°C to +70°C case temperature, so it is not recommended for a 75°C environment. An industrial-temperature CWDM module would be a better choice.

We need to monitor the optical link after deployment because the route passes through several patch panels and a CWDM MUX. Can this module provide diagnostic data through the switch?

Yes. The LS-CW5310-10C module supports real-time Digital Diagnostic Monitoring in accordance with SFF-8472. On compatible equipment, you can check module temperature, supply voltage, laser bias current, transmitted optical power, and received optical power to help identify fiber loss or link-quality issues.

We are deploying an LTE backhaul network, and the transport equipment uses 10G SFP+ ports. Can this CWDM module be used for the optical connection between the baseband site and aggregation point?

Yes, it can be used in LTE optical link applications when both devices support 10G SFP+ interfaces and the CWDM wavelength plan includes 1530nm. The total transmission path, including CWDM MUX loss and fiber loss, should remain within the supported optical budget.

We already have OS2 single-mode fiber between our main office and a remote cabinet. The distance is approximately 8km. Is this module suitable, or do we need a higher-power version?

For an 8km OS2 single-mode fiber link, this 10km 1530nm CWDM module is generally suitable if the total optical loss remains within the link budget. In addition to fiber length, please consider connector loss, splice loss, patch panels, and CWDM MUX/DEMUX insertion loss.

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LINK-PP LS-CW5310-10C 10G SFP+ CWDM 1530nm 10km Duplex LC DDM SMF Optical Transceiver Module

Name: LINK-PP LS-CW5310-10C 10G SFP+ CWDM 1530nm 10km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 188517
Price: 87.72 USD
Availability: InStock
Rating: 4.9 (47 reviews)

# 188517

Product: LINK-PP LS-CW5310-10C 10G SFP+ CWDM 1530nm 10km Duplex LC DDM SMF Optical Transceiver Module
SKU: 188517
P/N: LS-CW5310-10C
Price: $ 102
Stock: 910 in Stock
Sold: 790
Product URL: https://www.l-p.com/products/483044.htm

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Wavelength:: 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

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LINK-PP LS-CW5310-10C 10G SFP+ Specifications

LS-CW5310-10C CWDM optical transceiver integrates a 1530nm EML transmitter and a highly sensitive PIN photodiode receiver into a hot-pluggable, duplex LC SFP+ form factor, delivering robust 10Gbps data throughput over 10km of single-mode fiber alongside integrated digital diagnostic monitoring for real-time telemetry.

LINK-PP Part Number	LS-CW5310-10C	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1530nm	Max Cable Distance	10km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +5dBm	RX Power	-23 to -6dBm
Receiver Sensitivity	<-16dBm	DDM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, SFF 8472,SFF 8431,802.3ae, ITU-T G.652

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Q: Can I install this LS-CW5310-10C module in an outdoor cabinet? The temperature can reach around 75°C in summer. By G***n on 2026-05-11

A: This commercial-grade CWDM module is rated for 0°C to +70°C case temperature, so it is not recommended for a 75°C environment. An industrial-temperature CWDM module would be a better choice. By admin on 2026-05-12
Q: We need to monitor the optical link after deployment because the route passes through several patch panels and a CWDM MUX. Can this module provide diagnostic data through the switch? By I***y on 2026-01-22

A: Yes. The LS-CW5310-10C module supports real-time Digital Diagnostic Monitoring in accordance with SFF-8472. On compatible equipment, you can check module temperature, supply voltage, laser bias current, transmitted optical power, and received optical power to help identify fiber loss or link-quality issues. By admin on 2026-01-23
Q: We are deploying an LTE backhaul network, and the transport equipment uses 10G SFP+ ports. Can this CWDM module be used for the optical connection between the baseband site and aggregation point? By H***m on 2025-10-15

A: Yes, it can be used in LTE optical link applications when both devices support 10G SFP+ interfaces and the CWDM wavelength plan includes 1530nm. The total transmission path, including CWDM MUX loss and fiber loss, should remain within the supported optical budget. By admin on 2025-10-16
Q: We already have OS2 single-mode fiber between our main office and a remote cabinet. The distance is approximately 8km. Is this module suitable, or do we need a higher-power version? By J***y on 2025-03-19

A: For an 8km OS2 single-mode fiber link, this 10km 1530nm CWDM module is generally suitable if the total optical loss remains within the link budget. In addition to fiber length, please consider connector loss, splice loss, patch panels, and CWDM MUX/DEMUX insertion loss. By admin on 2025-03-20

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E***r

Republic of Korea

Verified Purchase

5 .0

2026-05-11

This CWDM module was installed on a 10km SMF uplink for a small colocation room. TX/RX optical power stayed in a healthy range, and we have not seen CRC errors or link flaps after several weeks. The DOM function is useful for proactive monitoring.

88 Helpful vote Comments

B***h

France

Verified Purchase

5 .0

2026-04-18

The LC duplex connection seated securely and the module was detected on the first try.

45 Helpful vote Comments

I***h

Russian Federation

Verified Purchase

5 .0

2026-04-05

We evaluated the LS-CW5310-10C on a 9.4km ITU-T G.652 single-mode fiber route used for campus aggregation. The module was installed through a passive CWDM MUX/DEMUX on the 1530nm channel, with 10GbE traffic carrying virtual-machine replication and voice services. DOM data reported predictable temperature, voltage, laser bias, TX power, and RX power values; the optical budget was comfortably within the module’s stated operating range. After continuous traffic testing, we saw no packet loss, no rising CRC counters, and no unexpected link resets. This is a practical commercial-grade 10G CWDM SFP+ optical module for indoor enterprise fiber networks.

137 Helpful vote Comments

F***y

Sweden

Verified Purchase

5 .0

2026-03-21

Good value for a 10G SFP+ 10km CWDM module. We deployed it in an enterprise distribution layer and it has been running quietly with no alarms. The low-power design is a bonus in dense switch stacks.

59 Helpful vote Comments

H***e

Spain

Verified Purchase

5 .0

2026-02-16

We are using these 1530nm 10km CWDM SFP+ modules for a municipal building network. Fiber distance is just under 7km, and the received optical levels provide enough margin for a reliable connection. Good choice for single-mode CWDM upgrades.

100 Helpful vote Comments

A***r

United States

Verified Purchase

5 .0

2026-02-03

Fast install, accurate DDM readings, and zero setup hassle.

54 Helpful vote Comments

L***g

New Zealand

Verified Purchase

4 .0

2026-02-02

Reliable 10G Duplex LC transceiver with clean diagnostics and good value for volume work. Our carton arrived with loose packing material around a few individual boxes, but every sealed module passed incoming inspection and our compatibility test. Would order again.

23 Helpful vote Comments

C***t

Australia

Verified Purchase

5 .0

2026-01-27

Good signal margin on our 1530nm path and no errors after testing.

62 Helpful vote Comments

L***y

South Africa

Verified Purchase

5 .0

2026-01-09

We put several units of the LS-CW5310-10C CWDM SFP through rigorous qualification before deploying them across our metro ring aggregation topology. Our long-haul link crosses legacy single-mode fiber with multiple intermediate patch panels introducing significant total optical insertion loss. The integrated DFB laser maintained exceptional center wavelength stability, staying perfectly centered inside the passive MUX channel passband. Bit Error Rate (BER) testing at full line rate over consecutive days showed zero frame discards or uncorrectable errors. Real-time DDM telemetry polling via standard I²C interface reported internal temperatures and power levels perfectly consistent with our telecom room environment. Exceptional physical layer signal integrity and optical stability.

135 Helpful vote Comments

I***n

Singapore

Verified Purchase

5 .0

2025-12-18

Reliable hot-swapping behavior. Slotted these into live enterprise aggregation chassis without causing voltage dips or link flaps on adjacent ports. The clip latch mechanism feels sturdy and locks securely into the cage. ( ＾◡＾)

108 Helpful vote Comments

D***l

Canada

Verified Purchase

5 .0

2025-12-04

Ordered several 1530nm 10G CWDM SFP transceivers for an office park network refresh. Each SFP+ module was recognized correctly, and the Duplex LC connectors fit our existing patch panel without any adjustment. Nice option when you need to add capacity without pulling more fiber.

114 Helpful vote Comments

M***s

Austria

Verified Purchase

4 .0

2025-11-28

No issue with the actual 1530nm CWDM SFP+ optics — each one was sealed, clean, and ready for installation. Customs processing added a short delay on our side, not a product problem, but it affected our rollout date.

27 Helpful vote Comments

A***t

Japan

Verified Purchase

5 .0

2025-11-18

Used this 10G SFP module on a 1530nm CWDM channel and the 10G connection has stayed rock solid.

60 Helpful vote Comments

J***n

Philippines

Verified Purchase

5 .0

2025-10-23

We installed these in a high-density aggregation switch for a large office network, using 1530nm as one of several CWDM wavelengths over a shared fiber pair. The compact SFP+ form factor helped keep the deployment simple, and power draw stayed manageable in a fully populated chassis. Operationally, the key benefit has been DOM visibility: our staff can review temperature and optical power remotely rather than dispatching someone for every fiber issue. The module has kept a stable 10G link across our 8.6km route, including several patch-panel transitions. It is now on our approved list for commercial CWDM expansion projects.

144 Helpful vote Comments

F***s

Mexico

Verified Purchase

5 .0

2025-10-08

Our team chose these CWDM SFP+ modules for a multi-site network rollout because the coding options helped us standardize optics across different switch environments. The modules showed normal digital diagnostics and had stable signal levels on all tested links.

93 Helpful vote Comments

G***t

Netherlands

Verified Purchase

5 .0

2025-09-02

The LS-CW5310-10C fit our CWDM channel plan between 1510nm and 1550nm wavelengths. It paired properly with our passive CWDM equipment and left the other wavelengths available for future expansion. Exactly what we needed.

98 Helpful vote Comments

K***l

Malaysia

Verified Purchase

5 .0

2025-08-31

Deployed these CWDM SFP+ transceivers across an indoor fiber distribution loop handling 10G Ethernet and synchronous storage replication. The optical link budget easily absorbed the fiber attenuation and passive MUX/DEMUX insertion penalties over our multi-kilometer span. We monitored physical parameters over several weeks through our central NMS via SNMP polling: laser bias current, internal supply voltage, and optical eye patterns showed clear mask margins with minimal jitter. Build tolerances on the duplex LC optical receptacle are precise, providing firm ferrule mating without air gaps or connector wobble. Outstanding choice for carrier and enterprise networks alike.

149 Helpful vote Comments

C***k

United Kingdom

Verified Purchase

5 .0

2025-08-09

Great fit for expanding a 10GbE CWDM network without adding new fiber.

79 Helpful vote Comments

H***d

Italy

Verified Purchase

5 .0

2025-07-25

Upgraded our multi-tenant building uplink from 1G to 10G CWDM without trenching new fiber. The 1530nm optical wavelength matched our existing filter grid seamlessly. Will definitely reorder for our next phase.

62 Helpful vote Comments

E***m

India

Verified Purchase

5 .0

2025-06-30

We needed a commercial-grade 10G CWDM SFP+ transceiver for indoor telecom equipment. The 0–70°C rating suited our conditioned equipment room, and the 1530nm wavelength worked with our CWDM MUX/DEMUX setup. Straightforward deployment.

111 Helpful vote Comments

M***n

Indonesia

Verified Purchase

4 .0

2025-06-12

Good 1530nm CWDM SFP+ optical and it linked without issues in our indoor network cabinet. Delivery took a little longer than we expected due to carrier handling, so allow some buffer time for project scheduling. Product performance gets five stars; shipping gets four.

31 Helpful vote Comments

G***m

Norway

Verified Purchase

5 .0

2025-05-19

We used this optical transceiver for a base-station backhaul handoff over single-mode fiber. It was easy to identify in the inventory because the wavelength and part number were clearly labeled. Link performance at 10Gbps has been dependable so far.

74 Helpful vote Comments

B***n

Germany

Verified Purchase

5 .0

2025-04-22

Locked in immediately at 10Gbps on our 1530nm MUX port — clean signal with zero CRC errors.

82 Helpful vote Comments

N***z

Belgium

Verified Purchase

4 .0

2025-04-07

Product quality is good and the 1530nm labels were easy to verify during receiving. The shipment tracking did not update for a couple of days, which made it harder to schedule our installation team.

25 Helpful vote Comments

K***r

Thailand

Verified Purchase

5 .0

2025-02-28

Our team deployed a batch of these 10G CWDM optical transceivers in a regional data center interconnect project where fiber pairs were limited. The DFB-based 1530nm optics integrated cleanly with the existing wavelength plan, while the Duplex LC format avoided changes to the patching design. We monitored each port through DOM during burn-in and compared the receive levels across links; all units showed consistent behavior. The 10km rating gives useful headroom for our routes, which range from 6km to just over 8km. Compatibility coding was verified before deployment, and the modules performed as expected in mixed switch environments.

126 Helpful vote Comments

D***y

Brazil

Verified Purchase

5 .0

2025-01-15

We used this LS-CW5310-10C 10G CWDM module for a 7.8km campus fiber connection between two office buildings. The 10G link came up immediately over single-mode fiber, and the 1530nm channel matched our CWDM plan exactly. DOM values were easy to check from the switch CLI. Good experience overall.

103 Helpful vote Comments

M***n

Bangladesh

Verified Purchase

5 .0

2024-12-20

We are impressed by the availability of products, prices and expedience of handling an order. Thanks for the great customer support!

15 Helpful vote Comments

J***m

United States

Verified Purchase

5 .0

2024-12-18

I have purchased Optical Transceiver Modules in the past and would not hesitate to purchase again.

15 Helpful vote Comments

M***a

United States

Verified Purchase

5 .0

2024-11-01

The price for this quality beats most cheaper after market chargers.

31 Helpful vote Comments

M***y

United Kingdom

Verified Purchase

5 .0

2024-10-05

Came in only 4 days! Very happy with product

59 Helpful vote Comments

P***h

Netherlands

Verified Purchase

5 .0

2024-08-26

This product is very good

36 Helpful vote Comments

O***z

Israel

Verified Purchase

5 .0

2024-08-25

Quick response and eager to assist me! I will buy from them again!

29 Helpful vote Comments

C***d

Belarus

Verified Purchase

5 .0

2024-07-27

They are very responsive and provided us with our own rep, whom provides us with great customer service and support.

18 Helpful vote Comments

B***y

Canada

Verified Purchase

5 .0

2024-06-26

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

20 Helpful vote Comments

S***s

Belgium

Verified Purchase

5 .0

2024-02-24

This Optical Transceiver Modules works fine and no compatibility problem at all.

62 Helpful vote Comments

S***g

United States

Verified Purchase

5 .0

2024-01-05

Site is easy to use. Have used previously, but had to register again. Not sure why. Price is best of many.

51 Helpful vote Comments

B***f

United States

Verified Purchase

5 .0

2023-12-26

Great website for buying 100/200/400G Optical Transceiver Module. LINK-PP has wide variety of optical products. The most important thing is that all the products offered here are really at a reasonable price. That's the reason why I love it so much.

24 Helpful vote Comments

S***n

United States

Verified Purchase

5 .0

2023-11-10

It’s compatible with my devices. Quality of your products & your support is very good. 5 Stars for everything.

27 Helpful vote Comments

J***e

Turkey

Verified Purchase

5 .0