We want to use this CWDM module in a site where a link failure would be difficult to investigate quickly. Is there a way to make optical issues easier to spot remotely?

Yes. Use the DOM feature through a compatible switch or monitoring platform and set alerts for abnormal optical-power or temperature readings. This can help identify fiber loss, connector contamination, or environmental issues before the link drops.

We have a 1590nm channel available on our CWDM MUX/DEMUX pair. Do we need to install the same 1590nm 10G CWDM SFP+ module at both ends of the link?

Yes. For a duplex 10G CWDM connection, install one 1590nm CWDM SFP+ module in the network device at each site. Each module connects to the local 1590nm port on the CWDM MUX/DEMUX, while the MUX/DEMUX units carry the signal over the shared single-mode fiber route. Using a different wavelength at either end will prevent the 1590nm channel from linking properly.

We are using an eight-channel CWDM MUX rather than a full 18-channel system. Does that automatically mean 1590nm is included?

Not always. Eight-channel MUX units can use different wavelength selections, so check the channel labels or datasheet rather than assuming that 1590nm is present.

The fiber route between our buildings is relatively short, but it passes through a CWDM MUX and several patch points. Should we still check the optical loss budget?

Yes. Even on a short route, CWDM MUX insertion loss, patch-panel loss, dirty connectors, and splice loss can affect the received signal. Verify that the total loss stays within the module’s supported optical budget.

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Generic CWDM-SFP10G-10M Compatible LINK-PP 10G SFP+ CWDM 1590nm 10km Duplex LC DDM SMF Optical Transceiver Module

Name: Generic CWDM-SFP10G-10M Compatible LINK-PP 10G SFP+ CWDM 1590nm 10km Duplex LC DDM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 223786
Price: 87.72 USD
Availability: InStock
Rating: 4.9 (29 reviews)

# 223786

Product: Generic CWDM-SFP10G-10M Compatible LINK-PP 10G SFP+ CWDM 1590nm 10km Duplex LC DDM SMF Optical Transceiver Module
SKU: 223786
P/N: LS-CW5910-10C
Price: $ 102
Stock: 683 in Stock
Sold: 354
Product URL: https://www.l-p.com/products/494840.htm

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Manufacture: LINK-PP

P/N: LS-CW5910-10C

Compatible:: Cisco; LINK-PP; Brocade; FS; Generic; Juniper

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

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

CWDM-SFP10G-10M delivers 10Gbps connectivity through its SFP+ CWDM architecture centered on a 1590nm CWDM EML laser and PIN photodiode combination, enabling single-mode fiber links of up to 10km with duplex LC interface and built-in digital diagnostic monitoring that provides live visibility into critical performance metrics including transmit/receive power, bias current, supply voltage, and module temperature.

Generic Part Number	CWDM-SFP10G-10M	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1590nm	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: We want to use this CWDM module in a site where a link failure would be difficult to investigate quickly. Is there a way to make optical issues easier to spot remotely? By T***s on 2026-03-22

A: Yes. Use the DOM feature through a compatible switch or monitoring platform and set alerts for abnormal optical-power or temperature readings. This can help identify fiber loss, connector contamination, or environmental issues before the link drops. By admin on 2026-03-23
Q: We have a 1590nm channel available on our CWDM MUX/DEMUX pair. Do we need to install the same 1590nm 10G CWDM SFP+ module at both ends of the link? By Q***h on 2026-01-25

A: Yes. For a duplex 10G CWDM connection, install one 1590nm CWDM SFP+ module in the network device at each site. Each module connects to the local 1590nm port on the CWDM MUX/DEMUX, while the MUX/DEMUX units carry the signal over the shared single-mode fiber route. Using a different wavelength at either end will prevent the 1590nm channel from linking properly. By admin on 2026-01-26
Q: We are using an eight-channel CWDM MUX rather than a full 18-channel system. Does that automatically mean 1590nm is included? By V***e on 2025-08-25

A: Not always. Eight-channel MUX units can use different wavelength selections, so check the channel labels or datasheet rather than assuming that 1590nm is present. By admin on 2025-08-26
Q: The fiber route between our buildings is relatively short, but it passes through a CWDM MUX and several patch points. Should we still check the optical loss budget? By R***r on 2025-04-04

A: Yes. Even on a short route, CWDM MUX insertion loss, patch-panel loss, dirty connectors, and splice loss can affect the received signal. Verify that the total loss stays within the module’s supported optical budget. By admin on 2025-04-05

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H***n

Finland

Verified Purchase

5 .0

2026-06-06

Nice fit for a 10G fiber upgrade without changing the existing CWDM layout.

53 Helpful vote Comments

L***r

Belarus

Verified Purchase

5 .0

2026-04-14

Purchased for a private 10G NAS replication path across our facility. The distance was well below 10km, but we selected this CWDM 1590nm SFP+ because it matched the existing wavelength plan. Performance has been consistent.

60 Helpful vote Comments

P***y

Morocco

Verified Purchase

5 .0

2026-03-27

On our multi-building campus network, our fiber plant routes through multiple distribution patch fields with cumulative connector losses. The optical budget on these modules easily absorbed the link attenuation, maintaining a healthy link safety margin at the receiving optic. The bail latch mechanism locks positively into standard cages and releases cleanly. Extremely pleased with the long-term optical and thermal stability.

129 Helpful vote Comments

F***g

New Zealand

Verified Purchase

5 .0

2026-03-09

Matched our CWDM MUX channel perfectly, with zero setup hassle.

55 Helpful vote Comments

P***n

Nepal

Verified Purchase

4 .0

2026-02-06

The optical transceivers slotted right into our passive multiplexer with perfect wavelength alignment and clean signal integrity. International air freight moved quickly, but the local regional delivery hub held the parcel over the weekend for scheduled sorting. The modules themselves are enterprise-grade; just allow a slight buffer for final-mile courier handoffs.

29 Helpful vote Comments

S***l

Bangladesh

Verified Purchase

4 .0

2025-10-19

These CWDM modules slotted cleanly into our core chassis, delivering immediate link-up and stable optical margins. The expedited courier delivery arrived near the end of the business day rather than the estimated morning window, so we scheduled our maintenance cutover for the following morning. The hardware itself performs impeccably.

31 Helpful vote Comments

J***n

Ireland

Verified Purchase

5 .0

2025-10-05

This 10G SFP+ CWDM optic works well for enterprise network uplinks over Duplex LC single-mode fiber. We tested it on an 8km run and saw stable traffic during backup windows and normal production loads.

79 Helpful vote Comments

M***s

Brunei Darussalam

Verified Purchase

5 .0

2025-08-27

The optical budget worked well on our single-mode fiber infrastructure. RX power stayed comfortably within range, and we did not see CRC errors or link flaps during our burn-in test.

106 Helpful vote Comments

O***y

Macao

Verified Purchase

5 .0

2025-07-06

Our network team deployed the LS-CW5910-10C modules as part of a 10G CWDM backbone refresh across a multi-building business park. The longest route is just under 9km of single-mode fiber, including patch panels and splice points. Initial DOM readings were clean, and the receive levels remained stable after a 72-hour traffic and failover test. The 1590nm channel integrated properly with our passive CWDM infrastructure, while the SFP+ form factor made replacement in existing 10G ports quick.

94 Helpful vote Comments

J***r

Israel

Verified Purchase

5 .0

2025-06-25

We needed a commercial-temperature 1590nm CWDM module for an indoor telecom room, not an industrial optic. This one fit the job well. The 0–70°C range is appropriate for our conditioned equipment rack.

94 Helpful vote Comments

R***s

Maldives

Verified Purchase

5 .0

2025-05-22

We installed this 10G CWDM 1590nm transceiver on a base-station backhaul aggregation link. The site uses single-mode fiber and an indoor equipment cabinet, so the commercial 0–70°C specification is suitable for our environment. We specifically checked laser output and received power through DOM polling, and all transceiver modules stayed within expected levels. For teams managing wavelength allocation, having a clearly labeled 1590nm CWDM SFP reduces installation mistakes.

104 Helpful vote Comments

T***n

United Arab Emirates

Verified Purchase

4 .0

2025-05-19

No technical complaint — the transceiver module linked at 10G and passed our compatibility test. The shipment arrived a little later than expected, but the modules were packed safely and performed as specified.

23 Helpful vote Comments

G***r

Austria

Verified Purchase

5 .0

2025-05-14

Consistent TX/RX power levels and no unexpected port drops.

62 Helpful vote Comments

K***s

Denmark

Verified Purchase

5 .0

2025-04-28

Good fit for 10GbE CWDM transport between our main server room and a remote storage room. We used standard duplex LC patch cords with single-mode fiber, and the link has been stable since installation.

63 Helpful vote Comments

M***s

Cambodia

Verified Purchase

5 .0

2025-03-12

We use these CWDM SFP+ modules for rack-to-rack and building-to-building 10G links where fiber capacity is limited. Adding a 1590nm CWDM wavelength allowed us to expand without pulling another fiber pair. Great option for that use case.

123 Helpful vote Comments

I***n

Ukraine

Verified Purchase

5 .0

2025-02-05

We installed this LS-CW5910-10C 10G CWDM 1590nm SFP+ transceiver on a campus fiber backbone between two office buildings. The 10 km rating gave us enough margin for our 6.7km single-mode fiber route, and DOM made link checks much easier.

101 Helpful vote Comments

E***r

Indonesia

Verified Purchase

5 .0

2025-01-08

Clean 1590nm channel performance on our 10G CWDM ring.

41 Helpful vote Comments

M***y

Australia

Verified Purchase

5 .0