Can we mix this 1570nm channel with 1490nm and 1530nm on the same 8-channel CWDM mux without crosstalk issues?

Yes, 1570nm is part of the standard ITU-T G.694.2 CWDM grid and coexists cleanly with 1490/1530nm on typical 8-channel mux/demux systems.

Do I need to reboot our top-of-rack switch when inserting this module into an active port?

No reboot is needed. The module features a hot-pluggable SFP+ footprint for live installation.

Can we plug our existing multi-mode LC patch cables into this 1570nm CWDM transceiver for short links?

No, this CWDM 10km SFP transceiver requires single-mode fiber with duplex LC connectors for correct optical transmission.

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Juniper EX-SFP-10GE-CWE57-10 Compatible LINK-PP 10G SFP+ CWDM 1570nm 10km Duplex LC DOM SMF Optical Transceiver Module

Name: Juniper EX-SFP-10GE-CWE57-10 Compatible LINK-PP 10G SFP+ CWDM 1570nm 10km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 220357
Price: 87.72 USD
Availability: InStock
Rating: 4.9 (28 reviews)

# 220357

Product: Juniper EX-SFP-10GE-CWE57-10 Compatible LINK-PP 10G SFP+ CWDM 1570nm 10km Duplex LC DOM SMF Optical Transceiver Module
SKU: 220357
P/N: LS-CW5710-10C
Price: $ 102
Stock: 780 in Stock
Sold: 550
Product URL: https://www.l-p.com/products/483078.htm

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Manufacture: LINK-PP

P/N: LS-CW5710-10C

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

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

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Juniper EX-SFP-10GE-CWE57-10 Compatible LINK-PP 10G SFP+ Specifications

EX-SFP-10GE-CWE57-10 optical module delivers 10G SFP+ connectivity at the 1570nm CWDM wavelength, integrating a DFB laser transmitter and PIN photodiode receiver to support duplex LC transmissions up to 10km over single-mode fiber while providing real-time digital optical monitoring for granular insight into operational metrics.

Juniper Part Number	EX-SFP-10GE-CWE57-10	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7 Gbps
Wavelength	1570nm	Max Cable Distance	10km
Connector	Duplex LC	Media	SMF
Receiver Type	DFB	Transmitter Type	PIN
TX Power	-5 to +1dBm	RX Power	-16 to -1dBm
Receiver Sensitivity	<-14.5dBm	Receiver Overload	0.5dBm
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: Can we mix this 1570nm channel with 1490nm and 1530nm on the same 8-channel CWDM mux without crosstalk issues? By T***n on 2026-03-25

A: Yes, 1570nm is part of the standard ITU-T G.694.2 CWDM grid and coexists cleanly with 1490/1530nm on typical 8-channel mux/demux systems. By admin on 2026-03-26
Q: Do I need to reboot our top-of-rack switch when inserting this module into an active port? By V***m on 2025-08-24

A: No reboot is needed. The module features a hot-pluggable SFP+ footprint for live installation. By admin on 2025-08-25
Q: Can we plug our existing multi-mode LC patch cables into this 1570nm CWDM transceiver for short links? By S***t on 2025-04-04

A: No, this CWDM 10km SFP transceiver requires single-mode fiber with duplex LC connectors for correct optical transmission. By admin on 2025-04-05

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R***s

Sweden

Verified Purchase

5 .0

2026-06-11

Upgraded our 10G fiber backbone across three campus nodes using these CWDM optical modules. The duplex LC connectors click in smoothly, and link latency remains virtually non-existent. Highly recommended!

63 Helpful vote Comments

J***t

Brazil

Verified Purchase

5 .0

2026-04-25

Perfect fit for our 10G CWDM ring; the 10km spec gives us plenty of headroom on our 7.5km fiber run with zero errors so far.

92 Helpful vote Comments

J***r

Malaysia

Verified Purchase

5 .0

2026-03-04

Deployed these 1570nm SFP modules across passive CWDM MUX/DEMUX units bridging two server rooms separated by a 7.5km fiber run. The duplex LC optical interface provides positive tactile engagement, while the optical launch power comfortably offsets MUX insertion loss without extra amplification. Built-in DDM polling delivered precise live metrics for both TX output and RX incoming light sensitivity across all deployed links. Operating well within its 0°C to 70°C commercial thermal envelope, the transceiver maintained exceptional signal integrity under heavy bandwidth loads. This module is an exceptionally reliable choice for high-density enterprise campus backbones.

120 Helpful vote Comments

J***z

Thailand

Verified Purchase

5 .0

2026-02-13

We deployed these 10G SFP modules across two campus buildings for 10G backhaul. The 1570nm wavelength paired nicely with our existing CWDM mux, and the 10km reach covered our 8.5km fiber run with plenty of margin. No errors, no drops, just solid performance.✨

99 Helpful vote Comments

H***s

Canada

Verified Purchase

5 .0

2026-01-31

Dependable CWDM 10G SFP+ modules for our local network ring expansion.

72 Helpful vote Comments

G***t

New Zealand

Verified Purchase

4 .0

2026-01-20

Performance is excellent — no complaints on the optical specs or compatibility. My only issue was the delivery took 2 extra days beyond the estimated window, which delayed our deployment schedule. The module itself is 5-star, but the logistics experience knocked it down to 4. Would still recommend for the product quality.

20 Helpful vote Comments

K***l

Italy

Verified Purchase

5 .0

2025-12-01

Needed to add 1570nm channels to our CWDM grid. These modules configured immediately with accurate digital optical monitoring reporting real-time optical power and voltage metrics.

81 Helpful vote Comments

J***l

Australia

Verified Purchase

5 .0

2025-11-02

The duplex LC connector seated cleanly in our existing patch panels, and the SMF compatibility matched our plant perfectly.

84 Helpful vote Comments

F***s

Russian Federation

Verified Purchase

5 .0

2025-10-11

Our network team needed an affordable 10G CWDM option for inter-building connectivity. These 1570nm SFP modules slot right into our 8-channel mux without interfering with our existing 1550nm channels. Two months of continuous operation with zero optical alarms or link instability.

93 Helpful vote Comments

R***s

France

Verified Purchase

5 .0

2025-09-14

10km link budget delivered clean attenuation numbers across our OS2 trunk.

54 Helpful vote Comments

L***d

Mexico

Verified Purchase

5 .0

2025-08-17

We love the real-time power and temperature telemetry — it makes troubleshooting our metro links way easier than before.

78 Helpful vote Comments

P***l

Norway

Verified Purchase

5 .0

2025-07-22

The built-in digital optical monitoring makes fiber troubleshooting so much easier. We can instantly verify light levels from our remote network monitoring dashboard.

126 Helpful vote Comments

A***y

United Kingdom

Verified Purchase

5 .0

2025-06-09

Clean optical spectrum at 1570nm, zero packet drops detected.

68 Helpful vote Comments

B***s

Singapore

Verified Purchase

5 .0

2025-05-06

These modules fit our need for a cost-effective 10G CWDM solution. The duplex LC connector and SMF media type match our existing patch panels. We’ve seen consistent TX power between -5 and +1 dBm across all units, as advertised. No surprises, just good engineering.

117 Helpful vote Comments

P***n

Indonesia

Verified Purchase

5 .0

2025-02-24

Adding this 1570nm CWDM module to our metropolitan optical loop yielded outstanding results across a 9.2km OS2 single-mode connection. Optical power attenuation tests showed an end-to-end link loss well within the receiver's dynamic operating range, preventing any risk of receiver overload or signal degradation. The bail latch mechanism allows for quick, smooth maintenance swaps, and hot-swappable insertion worked without port flap issues. Real-time DDM diagnostics provided accurate, immediate readings for optical power levels and internal system voltage. It is a highly dependable 10G optics solution for CWDM wavelength division multiplexing architectures.

108 Helpful vote Comments

S***i

Lithuania

Verified Purchase

5 .0

2024-11-19

Their prices are very reasonable and service is great I will highly recommend them

16 Helpful vote Comments

H***n

Bulgaria

Verified Purchase

5 .0