We need these 1530nm CWDM modules for a metro fiber ring expansion — are volume discounts available?

Yes. Tiered pricing structures are available for bulk enterprise deployments and network expansion projects. Please provide your estimated module count to receive a formal volume quotation.

Will the LS-CW5310-20C integrate smoothly into an existing 8-channel CWDM multiplexer topology?

Assuming your passive MUX/DEMUX adheres to the standard 20nm CWDM channel grid, this module operates specifically on the 1530nm center wavelength. It will interface seamlessly with the designated 1530nm channel port, allowing you to run 10GbE traffic alongside other active channels on the same single-mode fiber pair.

Can we multiplex multiple 1530nm optical modules across a single fiber pair?

A standard passive MUX/DEMUX assigns a specific physical port to each ITU wavelength, so only one 1530nm transceiver can operate on that specific channel per fiber pair. Additional bandwidth is added by populating the remaining MUX channels with optics tuned to different CWDM wavelengths across the 20nm spacing grid.

Will our core switches recognize real-time DOM monitoring stats like laser bias and temp on this LS-CW5310-20C CWDM module?

In most cases, yes. The module strictly adheres to the SFF-8472 specification for Digital Diagnostics Monitoring, allowing compliant switch operating systems to poll live telemetry such as internal temperature, bias current, supply voltage, and optical power directly via SNMP or CLI commands.

Will the internal 1530nm cooled EML laser stay on frequency if our switch room hits 60°C during an AC outage?

Yes, the cooled EML laser actively stabilizes the 1530nm wavelength to prevent optical drift anywhere within its 0°C to +70°C operating window.

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Generic CWDM-SFP10G-20L Compatible LINK-PP 10G SFP+ CWDM 1530nm 20km Duplex LC DDM SMF Optical Transceiver Module

Name: Generic CWDM-SFP10G-20L Compatible LINK-PP 10G SFP+ CWDM 1530nm 20km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 222480
Price: 233.06 USD
Availability: InStock
Rating: 4.9 (23 reviews)

# 222480

Product: Generic CWDM-SFP10G-20L Compatible LINK-PP 10G SFP+ CWDM 1530nm 20km Duplex LC DDM SMF Optical Transceiver Module
SKU: 222480
P/N: LS-CW5310-20C
Price: $ 271
Stock: 651 in Stock
Sold: 575
Product URL: https://www.l-p.com/products/494676.htm

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Compatible:: Cisco; LINK-PP; Brocade; Ciena; Dell; FS; Generic; H3C; Juniper

Wavelength:: 1270nm; 1290nm; 1310nm; 1330nm; 1350nm; 1370nm; 1390nm; 1410nm; 1430nm; 1450nm; 1470nm; 1490nm; 1510nm; 1530nm; 1550nm; 1570nm; 1590nm; 1610nm

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Generic CWDM-SFP10G-20L Compatible LINK-PP 10G SFP+ Specifications

CWDM-SFP10G-20L defines a CWDM 10G SFP+ optical transceiver designed for 1530nm operation, integrating a cooled EML laser and PIN photodiode, utilizing a duplex LC interface over single-mode fiber to enable transmission distances up to 20km, while supporting real-time digital diagnostic monitoring (DDM) for continuous parameter tracking.

Generic Part Number	CWDM-SFP10G-20L	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1530nm	Max Cable Distance	20km
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, CPRI, eCPRI, ITU-T G.652

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Q: We need these 1530nm CWDM modules for a metro fiber ring expansion — are volume discounts available? By F***e on 2026-04-20

A: Yes. Tiered pricing structures are available for bulk enterprise deployments and network expansion projects. Please provide your estimated module count to receive a formal volume quotation. By admin on 2026-04-21
Q: Will the LS-CW5310-20C integrate smoothly into an existing 8-channel CWDM multiplexer topology? By O***h on 2026-02-21

A: Assuming your passive MUX/DEMUX adheres to the standard 20nm CWDM channel grid, this module operates specifically on the 1530nm center wavelength. It will interface seamlessly with the designated 1530nm channel port, allowing you to run 10GbE traffic alongside other active channels on the same single-mode fiber pair. By admin on 2026-02-22
Q: Can we multiplex multiple 1530nm optical modules across a single fiber pair? By T***n on 2025-12-14

A: A standard passive MUX/DEMUX assigns a specific physical port to each ITU wavelength, so only one 1530nm transceiver can operate on that specific channel per fiber pair. Additional bandwidth is added by populating the remaining MUX channels with optics tuned to different CWDM wavelengths across the 20nm spacing grid. By admin on 2025-12-15
Q: Will our core switches recognize real-time DOM monitoring stats like laser bias and temp on this LS-CW5310-20C CWDM module? By E***a on 2025-07-15

A: In most cases, yes. The module strictly adheres to the SFF-8472 specification for Digital Diagnostics Monitoring, allowing compliant switch operating systems to poll live telemetry such as internal temperature, bias current, supply voltage, and optical power directly via SNMP or CLI commands. By admin on 2025-07-16
Q: Will the internal 1530nm cooled EML laser stay on frequency if our switch room hits 60°C during an AC outage? By L***n on 2025-03-26

A: Yes, the cooled EML laser actively stabilizes the 1530nm wavelength to prevent optical drift anywhere within its 0°C to +70°C operating window. By admin on 2025-03-27

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B***n

France

Verified Purchase

5 .0

2026-04-03

This is a practical commercial-grade 10G SFP+ CWDM optical module for indoor network rooms and distributed office sites. It worked well on our 20 km SMF path and did not show link flaps during the first month. Good choice when you need more capacity from an existing fiber pair.

111 Helpful vote Comments

C***r

Maldives

Verified Purchase

5 .0

2026-02-10

Seamless mechanical latching and instant physical layer linkup across our server room patching panel.

72 Helpful vote Comments

R***o

Netherlands

Verified Purchase

4 .0

2026-01-25

Good 1530nm 20km SFP+ optic with useful DOM support and clean LC connections. The shipment took a little longer than expected during a busy period, but the product arrived intact and passed our incoming test without issue.

20 Helpful vote Comments

B***t

United Arab Emirates

Verified Purchase

5 .0

2025-10-01

We mapped these 1530nm optics to our passive 8-channel multiplexer array. The duplex LC connections snapped in securely without any mechanical alignment issues or optical attenuation drops, holding steady signal levels throughout continuous operation.

120 Helpful vote Comments

J***n

Morocco

Verified Purchase

5 .0

2025-09-26

Clean optical spectrum match with our passive CWDM MUX pass-through port.

47 Helpful vote Comments

R***z

Mexico

Verified Purchase

4 .0

2025-09-09

The 10G 1530nm CWDM module itself works perfectly on our 16km SMF circuit, and DOM readings look normal. One outer shipping carton arrived with a dent, although the individual protective packaging kept the module safe.

24 Helpful vote Comments

D***d

Japan

Verified Purchase

5 .0

2025-08-14

These duplex LC single-mode transceivers integrated smoothly with our existing CWDM MUX/DEMUX filter units. The optical power output is right on spec, providing a clean link without needing extra inline optical attenuators.

89 Helpful vote Comments

F***k

Australia

Verified Purchase

5 .0

2025-07-28

We installed 12 LS-CW5310-20C modules as part of a campus CWDM overlay carrying 10GbE between core and distribution locations. Fiber distances ranged from 14.5 to 18km on single-mode fiber, with passive CWDM MUX/DEMUX units in the path. All links reached 10G without errors during burn-in, and the RX optical values stayed comfortably above the specified receiver sensitivity. The DOM/DDM data was the main operational benefit for us. We pulled module temperature, supply voltage, laser bias, TX power, and RX power into our monitoring workflow, which gives us early visibility if a fiber connection starts degrading. For indoor cabinets and data room use, the 0–70°C commercial temperature range is appropriate.

153 Helpful vote Comments

D***n

Macao

Verified Purchase

5 .0

2025-07-02

Ran continuous traffic sweeps overnight without a single CRC error or frame drop.

63 Helpful vote Comments

A***r

Bangladesh

Verified Purchase

5 .0

2025-05-27

Exactly what we needed for a 1530nm CWDM single-mode fiber link.

68 Helpful vote Comments

M***l

United Kingdom

Verified Purchase

5 .0

2025-05-09

Ordered these 20km 1530nm SFP+ modules for a CWDM MUX/DEMUX expansion. The channel matched our optical plan, and the Duplex LC/UPC interface made installation straightforward. We especially liked being able to check module temperature, voltage, TX power, and RX power from the switch CLI.

130 Helpful vote Comments

E***n

United States

Verified Purchase

5 .0

2025-03-19

Installed these 10G CWDM modules on our enterprise routing stack. The optical telemetry is accurate, and the 20km transmission budget gives us plenty of signal headroom across intermediate patch panels.

95 Helpful vote Comments

H***r

Morocco

Verified Purchase

5 .0

2024-12-24

The transaction and delivery went very Fast and precise.

91 Helpful vote Comments

J***n

Poland

Verified Purchase

5 .0

2024-11-22

Spent almost three days looking for the items. Now I've got it! they are in new condition at a good price.

51 Helpful vote Comments

A***a

United States

Verified Purchase

5 .0

2024-11-07

Was a pleasant and easy to find what I needed. Very satisfied and will be a repeated customer to buy Optical Transceiver Modules here.

82 Helpful vote Comments

S***e

United States

Verified Purchase

5 .0

2024-09-28

Compared to another site it was very easy to make my purchase.

63 Helpful vote Comments

J***t

Finland

Verified Purchase

5 .0

2024-09-24

We buy 10/25/40G Transceiver Modules's from Link-pp all the time, and they have never let us down.

49 Helpful vote Comments

T***i

Netherlands

Verified Purchase

5 .0

2024-04-03

They have a good selection of Optical Transceiver Modules and great customer service. Highly recommend.

79 Helpful vote Comments

M***s

United States

Verified Purchase

5 .0

2023-10-17

It was shipped in 3 days. Product was packed very well and quality is the best. Thank you !

54 Helpful vote Comments

D***s

Spain

Verified Purchase

5 .0

2023-08-09

Just what I ordered, good job!

77 Helpful vote Comments

B***d

Lithuania

Verified Purchase

5 .0

2023-05-28

The whole system works very smoothly. Their modules are always solid. There is no problem with data transfer. Yoeng is very supportive and she quite understands my needs...

50 Helpful vote Comments

s***i

Singapore

Verified Purchase

5 .0

2023-04-19

It was actually Faster than I expected, I will certainly use l-p.com again soon.

84 Helpful vote Comments

M***s

United States

Verified Purchase

5 .0