Our CWDM MUX already carries 1310nm and 1330nm channels. Can we add this 1290nm module to the same fiber pair?

Yes, provided that your CWDM MUX/DEMUX has a dedicated 1290nm channel. The 1290nm module can run alongside 1310nm and 1330nm CWDM channels on the same single-mode fiber pair because each channel uses a different wavelength. Use a matching 1290nm CWDM module at the far end, and check the total link loss, including fiber, connectors, splices, and MUX/DEMUX insertion loss.

Can I install the 1290nm module into any port on the CWDM MUX?

No. It needs to connect to the matching 1290nm channel port. Connecting it to a different wavelength port may cause no link or unstable transmission.

We need a 30km link between two substations. Is this 1290nm CWDM module suitable?

Yes, this LS-CW2910-40I module supports up to 40km transmission over single-mode fiber. The actual supported distance can vary depending on fiber loss, connector condition, and splice quality.

We are upgrading the fiber link between our LTE baseband site and aggregation switch. Can this 1290nm 10G CWDM module be used for LTE backhaul?

Yes. This industrial-grade 10G SFP+ CWDM module is suitable for LTE backhaul where a 10Gbps optical uplink is needed over single-mode fiber. It supports transmission up to 40 km and is a practical choice for outdoor LTE cabinets or remote sites with temperatures from -40°C to +85°C. Please make sure both connected devices support 10G SFP+ optics and that the CWDM wavelength matches the MUX/DEMUX channel.

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Brocade XBR-SFP10G1290-40-I Compatible LINK-PP 10G SFP+ CWDM 1290nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

Name: Brocade XBR-SFP10G1290-40-I Compatible LINK-PP 10G SFP+ CWDM 1290nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 223798
Price: 176.3 USD
Availability: InStock
Rating: 5 (21 reviews)

# 223798

Product: Brocade XBR-SFP10G1290-40-I Compatible LINK-PP 10G SFP+ CWDM 1290nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU: 223798
P/N: LS-CW2910-40I
Price: $ 205
Stock: 604 in Stock
Sold: 494
Product URL: https://www.l-p.com/products/482884.htm

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Manufacture: LINK-PP

P/N: LS-CW2910-40I

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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Brocade XBR-SFP10G1290-40-I Compatible LINK-PP 10G SFP+ Specifications

The XBR-SFP10G1290-40-I optical transceiver leverages a precise 1290nm EML laser and PIN photodiode architecture to deliver 10G SFP+ CWDM connectivity across single-mode fiber infrastructure. This module seamlessly facilitates reliable data transmission over distances up to 40km through a duplex LC interface. Additionally, it incorporates comprehensive real-time digital optical monitoring (DOM) to ensure continuous link visibility and proactive network management.

Brocade Part Number	XBR-SFP10G1290-40-I	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1290nm	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	-40 to 85°C	Protocols	SFP+ MSA, CPRI, eCPRI, SFF-8431, SFF-8472, RoHS, ITU-T G.652

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Q: Our CWDM MUX already carries 1310nm and 1330nm channels. Can we add this 1290nm module to the same fiber pair? By N***l on 2026-04-03

A: Yes, provided that your CWDM MUX/DEMUX has a dedicated 1290nm channel. The 1290nm module can run alongside 1310nm and 1330nm CWDM channels on the same single-mode fiber pair because each channel uses a different wavelength. Use a matching 1290nm CWDM module at the far end, and check the total link loss, including fiber, connectors, splices, and MUX/DEMUX insertion loss. By admin on 2026-04-04
Q: Can I install the 1290nm module into any port on the CWDM MUX? By L***n on 2026-01-21

A: No. It needs to connect to the matching 1290nm channel port. Connecting it to a different wavelength port may cause no link or unstable transmission. By admin on 2026-01-22
Q: We need a 30km link between two substations. Is this 1290nm CWDM module suitable? By K***n on 2025-08-14

A: Yes, this LS-CW2910-40I module supports up to 40km transmission over single-mode fiber. The actual supported distance can vary depending on fiber loss, connector condition, and splice quality. By admin on 2025-08-15
Q: We are upgrading the fiber link between our LTE baseband site and aggregation switch. Can this 1290nm 10G CWDM module be used for LTE backhaul? By M***h on 2025-05-09

A: Yes. This industrial-grade 10G SFP+ CWDM module is suitable for LTE backhaul where a 10Gbps optical uplink is needed over single-mode fiber. It supports transmission up to 40 km and is a practical choice for outdoor LTE cabinets or remote sites with temperatures from -40°C to +85°C. Please make sure both connected devices support 10G SFP+ optics and that the CWDM wavelength matches the MUX/DEMUX channel. By admin on 2025-05-10

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A***n

Cambodia

Verified Purchase

5 .0

2026-05-18

Our aggregation layer accepted the modules immediately upon hot-plugging. DOM telemetry maps straight into our SNMP monitoring server with accurate real-time voltage and temperature readings. Highly recommended for multi-vendor network setups.

52 Helpful vote Comments

T***s

Israel

Verified Purchase

5 .0

2026-04-29

This transceiver module worked well for our base-station backhaul test setup. We needed 1290nm CWDM to fit the wavelength plan, plus wide-temperature operation for an equipment shelter with limited climate control. TX/RX power values in DOM were consistent across the modules we installed.

105 Helpful vote Comments

V***a

Morocco

Verified Purchase

5 .0

2026-03-14

Our team evaluated this industrial 10G SFP+ CWDM transceiver for an outdoor utility communications network. The important requirements were the 1290nm wavelength, Duplex LC interface, 40km reach, digital optical monitoring, and operation from -40°C to 85°C. We ran continuous traffic, link-flap tests, and environmental cabinet checks, and the modules remained stable with no unexpected alarms. The diagnostic values were readable through our standard management workflow, including temperature, voltage, laser bias, transmit power, and receive power. It is a strong fit for industrial switching, remote cabinets, and long-distance 10GbE uplinks.

124 Helpful vote Comments

P***e

Poland

Verified Purchase

5 .0

2026-03-04

Ran this industrial-grade 1290nm CWDM SFP+ module on a 35km SMF route with stable 10G throughput.

50 Helpful vote Comments

S***s

Turkey

Verified Purchase

5 .0

2025-12-30

We used this LS-CW2910-40I 1290nm CWDM SFP+ in a small business park network with roughly 31km of single-mode fiber. The 10G link has stayed stable through normal daytime heat and overnight temperature swings. DOM monitoring is useful for checking optical power before a minor loss becomes a service call.

117 Helpful vote Comments

E***y

Bangladesh

Verified Purchase

4 .0

2025-12-12

The modules were exactly as ordered and worked well over our single-mode fiber link. Customs clearance added a short delay, but the seller’s packing protected the shipment well.

31 Helpful vote Comments

V***a

Denmark

Verified Purchase

5 .0

2025-10-15

Used in a multi-site office rollout with single-mode fiber between warehouses. The module negotiated cleanly at 10G and showed reasonable receive levels on both ends. No errors after several weeks of traffic, backups, and video surveillance uplink.

83 Helpful vote Comments

C***n

Macao

Verified Purchase

5 .0

2025-09-26

We installed a matched pair on a fiber route connecting two server rooms through a metropolitan dark-fiber segment. Total optical distance was 37.4km, and the path included multiple LC patch points, so DOM visibility was a must. The modules held a clean 10G connection during backup windows and high-throughput replication tests, while receive levels stayed comfortably above the sensitivity threshold. We also moved one optic through several compatible SFP+ ports during commissioning; it was recognized normally each time after standard configuration. Great field result for a 40km single-mode CWDM deployment.

137 Helpful vote Comments

N***s

Finland

Verified Purchase

5 .0

2025-09-17

The LC duplex connection was simple, and DOM gave us the optical readings we needed.

72 Helpful vote Comments

W***s

Belarus

Verified Purchase

5 .0

2025-08-21

We tested this 10G CWDM 1290nm optic alongside other wavelength channels in the same fiber plant. It fit our channel plan and maintained a stable link with no packet loss during the burn-in period. DOM temperature and optical-power readings were easy to verify.

96 Helpful vote Comments

T***z

Lithuania

Verified Purchase

5 .0

2025-04-16

Excellent wavelength accuracy on 18-channel CWDM Mux/Demux. Channel pass-through on our passive 1290nm optical multiplexer was spot on. Insertion loss stayed well within nominal thresholds, and we verified full 10Gbps line-rate throughput without frame loss.

83 Helpful vote Comments

Q***t

Hungary

Verified Purchase

5 .0

2025-03-08

We keep these 10G 1290nm CWDM 40km SFP+ transceivers as spares for customer fiber rings. They are compact, the label information is easy to read, and DOM makes acceptance testing faster. Good fit for technicians working with CWDM channels in the field.

98 Helpful vote Comments

i***s

Macao

Verified Purchase

5 .0

2024-10-07

This product is excellent. I use it to connect my switch. Great feedback from the company when I asked a question about compatibility.

39 Helpful vote Comments

M***y

Bulgaria

Verified Purchase

5 .0