Is this module compatible with the LINK-PP device?

Yes. The EX-SFP-10GE-CWE27-20 has been programmed and tested for interoperability with compatible LINK-PP switches and routers.

What is the maximum transmission distance?

The Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP 10G SFP+ module supports up to 20 km transmission over single-mode fiber at 10 Gbps.

Does the Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP support CWDM technology?

Yes. It operates on the 1270 nm CWDM wavelength, enabling wavelength multiplexing and improved fiber efficiency.

What applications does it work best for?

Common uses include 10GBASE-LR/LW Ethernet, CWDM optical systems, data center uplinks, enterprise backbone networks, metro access and aggregation, and LTE transport networks.

Does this module support Digital Optical Monitoring (DOM/DDM), and can it be used for long-term enterprise network operation?

Yes. The module supports Digital Optical Monitoring (DOM/DDM), allowing real-time monitoring of transmit power, receive power, module temperature, supply voltage, and laser bias current. Combined with its MSA-compliant design and OEM compatibility, it provides reliable long-term performance for enterprise, carrier, and data center networks.

We're planning a campus network project requiring more than 150 pieces of the 1270nm version. Do you offer volume pricing or OEM services?

Yes. LINK-PP provides project-based pricing for bulk orders and supports OEM/ODM services, including customized labels, EEPROM coding, private branding, and customized packaging. Send us your required quantity and device list, and we'll prepare a competitive quotation for your project.

Has anyone tested this 1270nm CWDM SFP with Cisco, Juniper, HPE, Huawei, or MikroTik switches? Does it require any special configuration?

The LS-CW2710-20C is fully compliant with the SFP MSA standard and supports OEM-compatible coding. It has been successfully deployed with Cisco, Juniper, HPE, Huawei, H3C, MikroTik, Dell, and many other compatible platforms. In most cases, the module is recognized automatically without additional configuration. If you have a specific switch model, please contact us before ordering and we'll verify compatibility.

Can this 1270nm CWDM module operate over standard OS2 single-mode fiber for the full 20 km distance? Is it suitable for campus and metro Ethernet applications?

Yes. The LS-CW2710-20C is designed for Gigabit Ethernet transmission over standard OS2 single-mode fiber with a maximum reach of up to 20 km. It is widely deployed in campus backbones, metro Ethernet, enterprise access networks, and ISP aggregation scenarios where a dedicated 1270nm CWDM channel is required.

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Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP 10G SFP+ CWDM 1270nm 20km Duplex LC DOM SMF Optical Transceiver Module

Name: Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP 10G SFP+ CWDM 1270nm 20km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 221969
Price: 116.96 USD
Availability: InStock
Rating: 4.9 (13 reviews)

# 221969

Product: Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP 10G SFP+ CWDM 1270nm 20km Duplex LC DOM SMF Optical Transceiver Module
SKU: 221969
P/N: LS-CW2710-20C
Price: $ 136
Stock: 123 in Stock
Sold: 1.8K
Product URL: https://www.l-p.com/products/491916.htm

For Order Over $1000 Get $15.00 Off , Code: Linkpp15

For Order Over $3000 Get $50.00 Off , Code: Linkpp50

For Order Over $5000 Get $100.00 Off , Code: Linkpp100

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Compatible:: Cisco; LINK-PP; 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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Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP 10G SFP+ Specifications

The Juniper EX-SFP-10GE-CWE27-20 Compatible LINK-PP module is a 10G CWDM SFP+ transceiver designed for single-mode fiber links of up to 20 kilometers. It operates at the precise wavelength of 1270nm.

Juniper Part Number	EX-SFP-10GE-CWE27-20	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7 Gbps
Wavelength	1270nm	Max Cable Distance	20km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB CWDM	Receiver Type	PIN
TX Power	-5 to +2dBm	RX Power	-16 to -1dBm
Receiver Sensitivity	<-15.5dBm	Receiver Overload	0.5dBm
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI, ITU-T G.652

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Q: Does this module support Digital Optical Monitoring (DOM/DDM), and can it be used for long-term enterprise network operation? By E***n on 2025-07-24

A: Yes. The module supports Digital Optical Monitoring (DOM/DDM), allowing real-time monitoring of transmit power, receive power, module temperature, supply voltage, and laser bias current. Combined with its MSA-compliant design and OEM compatibility, it provides reliable long-term performance for enterprise, carrier, and data center networks. By admin on 2025-07-24
Q: We're planning a campus network project requiring more than 150 pieces of the 1270nm version. Do you offer volume pricing or OEM services? By D***s on 2024-11-02

A: Yes. LINK-PP provides project-based pricing for bulk orders and supports OEM/ODM services, including customized labels, EEPROM coding, private branding, and customized packaging. Send us your required quantity and device list, and we'll prepare a competitive quotation for your project. By admin on 2024-11-02
Q: Has anyone tested this 1270nm CWDM SFP with Cisco, Juniper, HPE, Huawei, or MikroTik switches? Does it require any special configuration? By A***z on 2024-03-10

A: The LS-CW2710-20C is fully compliant with the SFP MSA standard and supports OEM-compatible coding. It has been successfully deployed with Cisco, Juniper, HPE, Huawei, H3C, MikroTik, Dell, and many other compatible platforms. In most cases, the module is recognized automatically without additional configuration. If you have a specific switch model, please contact us before ordering and we'll verify compatibility. By admin on 2024-03-11
Q: Can this 1270nm CWDM module operate over standard OS2 single-mode fiber for the full 20 km distance? Is it suitable for campus and metro Ethernet applications? By J***n on 2024-02-26

A: Yes. The LS-CW2710-20C is designed for Gigabit Ethernet transmission over standard OS2 single-mode fiber with a maximum reach of up to 20 km. It is widely deployed in campus backbones, metro Ethernet, enterprise access networks, and ISP aggregation scenarios where a dedicated 1270nm CWDM channel is required. By admin on 2024-02-27

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Evelyn Carter

Thailand

Verified Purchase

5 .0

2026-02-08

Plugged in and linked instantly. ^^

100 Helpful vote Comments

Nora Baker

Hungary

Verified Purchase

5 .0

2025-12-14

Rock-solid performance. (•‿•)

2 Helpful vote Comments

Larry Moore

Lithuania

Verified Purchase

5 .0

2025-12-09

Installed one pair for a home lab connecting my server rack to a detached office. The 1270nm CWDM link has been completely stable and performs just like the original branded module. (•‿<)

77 Helpful vote Comments

Paul Williams

Austria

Verified Purchase

5 .0

2025-07-28

Works perfectly. :)

12 Helpful vote Comments

Rachel King

Belgium

Verified Purchase

5 .0

2025-07-02

Exactly what we needed.

31 Helpful vote Comments

Ashley Torres

Lithuania

Verified Purchase

5 .0

2025-02-13

Our engineering team selected this model after comparing several compatible 1270nm CWDM optics. Compatibility, signal quality, and overall cost made it the clear winner.

9 Helpful vote Comments

Robert Thompson

India

Verified Purchase

5 .0

2024-11-19

Perfect for metro Ethernet applications where a dedicated 1270nm CWDM channel is required. Stable throughput and consistent DOM monitoring have made ongoing maintenance much easier.

93 Helpful vote Comments

Ryan Gonzalez

Germany

Verified Purchase

4 .0

2024-09-11

The courier delayed the shipment by a couple of days, but the transceiver itself worked exactly as advertised. Build quality and optical performance are excellent. :P

79 Helpful vote Comments

Sarah Rogers

Ireland

Verified Purchase

5 .0

2024-06-21

We deployed these modules for an ISP aggregation project connecting remote access nodes over 20 km SMF. Link stability has been excellent, even during continuous 24/7 operation.

87 Helpful vote Comments

Emily Perez

Netherlands

Verified Purchase

5 .0

2024-05-03

We installed these modules in an enterprise campus connecting multiple buildings over standard OS2 single-mode fiber. Every 20 km link has remained stable, and the 1270nm wavelength integrates perfectly into our existing CWDM infrastructure.

42 Helpful vote Comments

Brian Martin

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2024-02-21

Excellent 1270nm CWDM SFP. \(^_^)/

91 Helpful vote Comments

Rebecca Thompson

Sweden

Verified Purchase

5 .0

2024-02-16

Running continuously inside a carrier access network for several months now. No packet loss, no unexpected disconnects, and optical diagnostics remain consistent throughout daily monitoring.

64 Helpful vote Comments

Christian Lewis

Morocco

Verified Purchase

5 .0

2024-02-08

We've installed more than forty of these 1270nm CWDM modules across several enterprise sites. Every unit passed testing, and none of our switches reported unsupported transceivers.

24 Helpful vote Comments