What is the maximum transmission distance and transmitter laser type for this 10G CWDM SFP+ optic?

The module features a cooled EML laser transmitter paired with a high-sensitivity PIN photodiode, delivering a maximum link distance of up to 40km over standard G.652 single-mode fiber (SMF).

Can I use this CWDM 1570nm module over a standard duplex LC single-mode fiber patch cable without an optical multiplexer?

Yes, you can use it over a direct point-to-point duplex LC SMF link up to 40km, provided both ends operate on the matched 1570nm wavelength, or connect it through a CWDM MUX DEMUX filter to combine multiple wavelengths over a single fiber pair.

Does the LS-CW5710-40C module support real-time Digital Diagnostics Monitoring (DDM/DOM) for optical power tracking?

Absolutely. It features integrated DDM/DOM via a 2-wire serial interface according to SFF-8472, allowing network engineers to monitor real-time RX/TX optical power, temperature, laser bias current, and supply voltage.

Are these LINK-PP LS-CW5710-40C 10G SFP+ CWDM 1570nm 40km transceivers fully compatible with Cisco and Dell switches without vendor lock-in warnings?

Yes, these transceivers are fully SFP+ MSA and SFF-8472 compliant, engineered to support OEM compatibility across major switch brands including Cisco, Dell, Juniper, Arista, and Mikrotik for seamless plug-and-play installation.

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Cisco CWDM-SFP10G-1570 Compatible LINK-PP 10G SFP+ CWDM 1570nm 40km DOM Duplex LC SMF Optical Transceiver Module

Name: Cisco CWDM-SFP10G-1570 Compatible LINK-PP 10G SFP+ CWDM 1570nm 40km DOM Duplex LC SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 224137
Price: 220.16 USD
Availability: InStock
Rating: 5 (33 reviews)

# 224137

Product: Cisco CWDM-SFP10G-1570 Compatible LINK-PP 10G SFP+ CWDM 1570nm 40km DOM Duplex LC SMF Optical Transceiver Module
SKU: 224137
P/N: LS-CW5710-40C
Price: $ 256
Stock: 598 in Stock
Sold: 281
Product URL: https://www.l-p.com/products/484294.htm

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Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Brocade; Ciena; Dell; FS; 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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Cisco CWDM-SFP10G-1570 Compatible LINK-PP 10G SFP+ Specifications

The Cisco CWDM-SFP10G-1570 Compatible LINK-PP 10G SFP+ transceiver offers dependable 10Gbps connectivity at the 1570 nm CWDM wavelength and supports transmission distances of up to 40 km over SMF. Its hot-pluggable SFP+ form factor enables easy integration into LINK-PP-compatible networking equipment.

Cisco Part Number	CWDM-SFP10G-1570	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1570nm	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	Receiver Overload	0dBm
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, SFF 8472,SFF 8431,802.3ae, ITU-T

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Q: What is the maximum transmission distance and transmitter laser type for this 10G CWDM SFP+ optic? By B***z on 2026-04-06

A: The module features a cooled EML laser transmitter paired with a high-sensitivity PIN photodiode, delivering a maximum link distance of up to 40km over standard G.652 single-mode fiber (SMF). By admin on 2026-04-06
Q: Can I use this CWDM 1570nm module over a standard duplex LC single-mode fiber patch cable without an optical multiplexer? By G***s on 2026-03-27

A: Yes, you can use it over a direct point-to-point duplex LC SMF link up to 40km, provided both ends operate on the matched 1570nm wavelength, or connect it through a CWDM MUX DEMUX filter to combine multiple wavelengths over a single fiber pair. By admin on 2026-03-27
Q: Does the LS-CW5710-40C module support real-time Digital Diagnostics Monitoring (DDM/DOM) for optical power tracking? By A***l on 2025-08-27

A: Absolutely. It features integrated DDM/DOM via a 2-wire serial interface according to SFF-8472, allowing network engineers to monitor real-time RX/TX optical power, temperature, laser bias current, and supply voltage. By admin on 2025-08-28
Q: Are these LINK-PP LS-CW5710-40C 10G SFP+ CWDM 1570nm 40km transceivers fully compatible with Cisco and Dell switches without vendor lock-in warnings? By P***z on 2024-02-24

A: Yes, these transceivers are fully SFP+ MSA and SFF-8472 compliant, engineered to support OEM compatibility across major switch brands including Cisco, Dell, Juniper, Arista, and Mikrotik for seamless plug-and-play installation. By admin on 2024-02-24

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G***z

Sweden

Verified Purchase

5 .0

2026-04-29

Worked instantly.

23 Helpful vote Comments

C***n

Brazil

Verified Purchase

5 .0

2026-04-07

Flawless compatibility with Arista 7050SX switches! Hot-pluggable design saved us maintenance downtime during our core network expansion. =)

88 Helpful vote Comments

C***z

Romania

Verified Purchase

5 .0

2026-03-30

Fast setup.

26 Helpful vote Comments

R***g

Poland

Verified Purchase

5 .0

2026-03-16

Excellent CWDM 1570nm transceiver for campus fiber backbone links! Optical power levels on DDM are right on target across a 28km single-mode fiber span. =D

3 Helpful vote Comments

C***n

Belarus

Verified Purchase

5 .0

2026-03-11

Works great in our Mikrotik CCR2116 router. The duplex LC SMF connection locked in at 10G Ethernet with zero bit errors logged so far. ;)

75 Helpful vote Comments

S***r

Bangladesh

Verified Purchase

5 .0

2026-02-18

Very reliable.

18 Helpful vote Comments

R***k

Hong Kong

Verified Purchase

5 .0

2025-11-12

Solid performance.

76 Helpful vote Comments

S***n

Netherlands

Verified Purchase

5 .0

2025-09-18

Recommended.

79 Helpful vote Comments

A***s

Indonesia

Verified Purchase

5 .0

2025-08-14

Using these 10G SFP+ CWDM 1570nm 40km modules to link our high-speed 10G NAS storage node across two campus buildings. The signal-to-noise ratio is pristine and file transfer latency dropped noticeably. =D

24 Helpful vote Comments

R***z

Malaysia

Verified Purchase

5 .0

2025-08-04

Got these for a remote telecom cabinet deployment. The DDM/DOM real-time operating parameter readout matches our optical power meter readings within 0.2dB. Excellent engineering from LINK-PP! =)

58 Helpful vote Comments

D***n

Canada

Verified Purchase

5 .0

2025-04-01

Prompt service, good price, excellent quality product -- what more can you ask?

43 Helpful vote Comments

F***n

Spain

Verified Purchase

5 .0

2025-02-28

Great shopping experience. Can't wait to get my items...

96 Helpful vote Comments

E***s

United Arab Emirates

Verified Purchase

5 .0

2025-02-21

Replaced expensive OEM optical transceivers with LINK-PP in our ISP aggregation point. The 1570nm wavelength channel works seamlessly alongside our existing 1510nm and 1530nm CWDM channels without any optical crosstalk.

63 Helpful vote Comments

L***z

Austria

Verified Purchase

5 .0

2025-01-13

High quality.

15 Helpful vote Comments

M***n

Bulgaria

Verified Purchase

5 .0

2024-12-02

I've always had good luck purchasing with LINK-PP. Excellent pricing and quick shipping.

14 Helpful vote Comments

E***s

Malaysia

Verified Purchase

5 .0

2024-10-26

Perfect optics.

49 Helpful vote Comments

M***n

Romania

Verified Purchase

5 .0

2024-09-22

Hot-pluggable and fully SFP+ MSA compliant. Tested across extreme indoor computer room temperatures with no laser drift or optical power dropped. :)

21 Helpful vote Comments

T***e

Romania

Verified Purchase

5 .0

2024-08-15

I'm extremely satisfied with my purchase.

35 Helpful vote Comments

C***z

France

Verified Purchase

5 .0

2024-07-29

Flawless 10G CWDM SFP+ module. Hit 10G line rate on a 35km link using a cooled EML laser transmitter. High-efficiency transceivers! :-D

30 Helpful vote Comments

M***z

Turkey

Verified Purchase

5 .0

2024-06-04

Perfect link!

61 Helpful vote Comments

L***l

Norway

Verified Purchase

5 .0

2024-04-01

Excellent service once again from l-p.com

60 Helpful vote Comments

J***r

Romania

Verified Purchase

5 .0

2024-03-28

I'm so excited about using it. yes for 100% I will recommend .

75 Helpful vote Comments

R***t

Israel

Verified Purchase

5 .0

2024-03-17

Flawless link.

12 Helpful vote Comments

H***s

Nepal

Verified Purchase

5 .0

2024-02-18

Great value!

91 Helpful vote Comments

N***s

Iran, Islamic Republic of

Verified Purchase

4 .0

2024-01-21

The optic performance is rock solid on our Juniper MX204, but the outer cardboard box arrived slightly squished. Glad the anti-static packaging kept the duplex LC interface unharmed.

70 Helpful vote Comments

B***r

Indonesia

Verified Purchase

5 .0

2023-12-30

I received exactly what I ordered. Thanks a lot!

93 Helpful vote Comments

A***s

Norway

Verified Purchase

5 .0