Can we monitor module temperature remotely to prevent failures at hot sites?

Yes. With DOM enabled, supported network equipment can report the module’s temperature and optical power levels. Your NOC can set thresholds to identify overheating, declining received power, or abnormal transmit-power readings before the link is affected.

We’re running an 8-channel CWDM MUX spanning 1470nm to 1610nm — where exactly does this optic patch in?

Patch this transceiver directly into the dedicated 1610nm channel port on your CWDM tray. Just ensure the remote end also uses a 1610nm module on its matching MUX port, as different CWDM wavelengths cannot interoperate.

We are building a CWDM ring for LTE backhaul. Is this module suitable?

Yes. It is suitable for 10Gbps CWDM optical systems and LTE-related optical links, provided the network uses the 1610nm CWDM channel and single-mode fiber.

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Generic CW-SFP10G40-61 Compatible LINK-PP 10G SFP+ CWDM 1610nm 40km Duplex LC DOM SMF Optical Transceiver Module

Name: Generic CW-SFP10G40-61 Compatible LINK-PP 10G SFP+ CWDM 1610nm 40km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 221957
Price: 220.16 USD
Availability: InStock
Rating: 4.9 (30 reviews)

# 221957

Product: Generic CW-SFP10G40-61 Compatible LINK-PP 10G SFP+ CWDM 1610nm 40km Duplex LC DOM SMF Optical Transceiver Module
SKU: 221957
P/N: LS-CW6110-40C
Price: $ 256
Stock: 165 in Stock
Sold: 903
Product URL: https://www.l-p.com/products/495137.htm

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Manufacture: LINK-PP

P/N: LS-CW6110-40C

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Brocade; Ciena; Dell; Generic; H3C; HPE; 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 CW-SFP10G40-61 Compatible LINK-PP 10G SFP+ Specifications

CW-SFP10G40-61 10G CWDM optical module integrates a cooled 1610nm EML laser and PIN receiver into a hot-pluggable SFP+ footprint, leveraging low-dispersion optical signaling to transmit up to 40km over single-mode fiber while delivering granular real-time telemetry via digital optical monitoring (DOM).

Generic Part Number	CW-SFP10G40-61	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1610nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +5dBm	RX Power	-23 to -6dBm
Receiver Sensitivity	-16dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, SFF 8472,SFF 8431,802.3ae, ITU-T

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LS-CWxx10-40C 1271-1611.pdf

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Q: Can we monitor module temperature remotely to prevent failures at hot sites? By G***s on 2026-05-12

A: Yes. With DOM enabled, supported network equipment can report the module’s temperature and optical power levels. Your NOC can set thresholds to identify overheating, declining received power, or abnormal transmit-power readings before the link is affected. By admin on 2026-05-13
Q: We’re running an 8-channel CWDM MUX spanning 1470nm to 1610nm — where exactly does this optic patch in? By H***m on 2025-09-13

A: Patch this transceiver directly into the dedicated 1610nm channel port on your CWDM tray. Just ensure the remote end also uses a 1610nm module on its matching MUX port, as different CWDM wavelengths cannot interoperate. By admin on 2025-09-14
Q: We are building a CWDM ring for LTE backhaul. Is this module suitable? By F***t on 2025-03-17

A: Yes. It is suitable for 10Gbps CWDM optical systems and LTE-related optical links, provided the network uses the 1610nm CWDM channel and single-mode fiber. By admin on 2025-03-18

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M***k

Austria

Verified Purchase

5 .0

2026-05-16

We installed this 1610nm CWDM 10G SFP+ module in a campus fiber backbone connecting two office buildings about 35km apart. The Duplex LC interface matched our patching setup, and the DOM values gave our team useful TX/RX visibility from day one. No errors or flaps during the first month.

109 Helpful vote Comments

M***l

Maldives

Verified Purchase

4 .0

2026-03-26

Packaging was secure and all LC dust caps were in place when we opened the shipment. Delivery was delayed slightly by a regional carrier handoff, but the modules arrived intact and matched our order list.

31 Helpful vote Comments

V***n

Romania

Verified Purchase

5 .0

2026-03-01

The module’s listed TX power range and receiver monitoring made it easy to verify our fiber budget before go-live. We used it on a 33km SMF route with a few patch points, and the connection has remained steady.

72 Helpful vote Comments

R***n

Ireland

Verified Purchase

5 .0

2026-02-11

We needed a reliable 1610nm CWDM module to light up a dark fiber link between two campus sites spaced 32km apart. Plugged two of these LS-CW6110-40C 10G SFP+ CWDM modules into our core switches, and the optics initialized immediately. Tx and Rx power levels reported via DOM are well within spec, showing a clean optical budget margin. Will definitely order more for our upcoming 10G network upgrade.

115 Helpful vote Comments

E***e

Indonesia

Verified Purchase

5 .0

2026-01-28

Excellent budget-friendly 1610nm 40km SFP+ optical module, DOM telemetry works like a charm.

57 Helpful vote Comments

C***l

Brunei Darussalam

Verified Purchase

5 .0

2026-01-08

We ordered these LS-CW6110-40C 10G SFP+ modules for a phased CWDM expansion serving several customer sites from one central communications room. Our requirements were specific: 10Gbps operation, 1610nm channel, 40 km single-mode reach, Duplex LC connector, and DOM support for remote maintenance. The optics were installed with our passive CWDM infrastructure, and the 1610nm channel was kept separate from the other active wavelengths. After deployment, the operations team used DOM readings to document initial RX power values for each circuit. That baseline has made later fiber checks more efficient, especially after third-party construction work near one route. Performance has been stable, and the modules are a good fit for indoor telecom rooms, campus aggregation, and metro-access style links where a commercial-temperature optic is appropriate.

114 Helpful vote Comments

D***n

Morocco

Verified Purchase

4 .0

2025-10-28

Good packing overall — the module was sealed well and there was no damage to the optic or connector. I’m leaving four stars because the delivery window changed after dispatch, which affected our installation schedule slightly.

25 Helpful vote Comments

S***z

Poland

Verified Purchase

5 .0

2025-10-17

Used a pair of these 40km CWDM optical transceivers for an enterprise aggregation link over single-mode fiber. The link was established at 10Gbps immediately after cleaning the LC/UPC connectors. Optical diagnostics were especially helpful during acceptance testing.

90 Helpful vote Comments

D***r

Ukraine

Verified Purchase

5 .0

2025-09-11

We used this 40km 10G SFP+ CWDM module for a protected backhaul segment between two indoor aggregation sites. It runs over single-mode fiber with Duplex LC patch cords and has been stable under regular traffic load. The diagnostic data is useful for preventive maintenance.

96 Helpful vote Comments

R***s

Finland

Verified Purchase

5 .0

2025-07-04

We were extending a 10G uplink from our main server room to a remote warehouse and needed a 1610nm channel module. This CWDM module worked well with our CWDM MUX/DEMUX arrangement. Good choice for indoor enterprise fiber networks.

89 Helpful vote Comments

J***e

Thailand

Verified Purchase

5 .0

2025-06-12

DOM readings are clean, and the Duplex LC connection fit our existing CWDM panel perfectly.

68 Helpful vote Comments

E***z

Belgium

Verified Purchase

5 .0

2025-05-23

Flawless 10Gbps optical uplink over single-mode fiber, zero hassle with coding.

74 Helpful vote Comments

C***n

Lithuania

Verified Purchase

5 .0

2025-05-05

We upgraded our metro ring infrastructure with these 10G CWDM transceivers to boost backhaul capacity across single-mode fiber segments. Line-rate carrier signals established instantly upon insertion without requiring manual port speed overrides. Extended bit-error-rate testing returned clean results across all validation runs, and real-time diagnostic telemetry reported accurately through our network management software. These modules have drastically lowered our per-port deployment costs while maintaining enterprise-grade signal integrity.

125 Helpful vote Comments

M***g

Turkey

Verified Purchase

5 .0

2025-04-29

The product information was straightforward for our technical review: 10Gbps, 1610nm CWDM, 40km over SMF, and SFF-8472 diagnostic support. It is a practical option when you need to fill a specific wavelength slot in a CWDM system.

101 Helpful vote Comments

T***s

Bulgaria

Verified Purchase

5 .0

2025-03-30

We deployed these LS-CW6110-40C 10G 1610nm CWDM modules as part of a multi-building campus fiber refresh. The route lengths ranged from 28km to just under 35km, all on existing single-mode plant with Duplex LC patching at both ends. Before cutover, we checked DOM TX/RX power values, cleaned every connector, and confirmed the 1610nm channel allocation through the CWDM MUX/DEMUX. All links negotiated at 10Gbps and remained stable during sustained backup traffic and normal daytime application loads. The ability to review digital diagnostics from the switch interface made troubleshooting much faster than swapping optics blindly. For a commercial-temperature indoor network, this module gives us the long-reach CWDM capacity we needed without changing the fiber infrastructure.

146 Helpful vote Comments

J***d

United States

Verified Purchase

5 .0

2025-03-17

The price was competitive, so I made the purchase. new and in good packaging. I could not be happier. I will certainly purchase again from this company.

56 Helpful vote Comments

A***z

South Africa

Verified Purchase

5 .0

2025-03-09

Good optical power margin and zero link drops so far. ^_^

72 Helpful vote Comments

K***n

Poland

Verified Purchase

5 .0

2024-12-17

excellent web page, available mostly parts with low prices

16 Helpful vote Comments

S***p

Hong Kong

Verified Purchase

5 .0

2024-11-15

sent the wrong item for my order at first time, but finally they tackled it and gave me the correct one.

30 Helpful vote Comments

J***m

Sweden

Verified Purchase

5 .0

2024-09-09

Quick delivery and the items very well packed. Thank you.

31 Helpful vote Comments

D***U

United States

Verified Purchase

5 .0

2024-05-26

This order was shipped very quickly and arrived in excellent order without any issues.

54 Helpful vote Comments

J***m

United Arab Emirates

Verified Purchase

5 .0

2024-05-25

Prices are very reasonable. Their shipping is Fast and they have a great selection of supplies.

58 Helpful vote Comments

R***n

France

Verified Purchase

5 .0

2024-05-09

No issues so far and can see an obvious improvement with network speeds.

38 Helpful vote Comments

J***k

Russian Federation

Verified Purchase

5 .0

2024-04-07

Order came complete and in a timely manner.

72 Helpful vote Comments

C***l

France

Verified Purchase

5 .0

2024-02-27

The component worked - no hassle - and continues working. Nice so far.

60 Helpful vote Comments

E***n

Japan

Verified Purchase

5 .0

2023-12-18

Working with l-p.com was a pleasure. The service was great and the Optical Transceiver Module was beyond my expectations. Extremely satisfied. Thank you.

34 Helpful vote Comments

M***n

United States

Verified Purchase

5 .0

2023-09-01

Simple steps to get product, great shopping experience.

49 Helpful vote Comments

K***g

Bangladesh

Verified Purchase

5 .0