We are setting up remote LTE cell tower nodes in sub-zero winter conditions — will this module cold-start without issues?

Yes, this module is rated for industrial temperature. For outdoor LTE remote radio head (RRH) deployments, our industrial-grade modules are tested to cold-start and operate reliably across the full range of -40°C to +85°C (-40°F to +185°F).

We're running a 35km link between data centers — do we need single-mode or multi-mode fiber patch cords for this module?

You must use single-mode fiber with duplex LC connectors. Multi-mode fiber is strictly unsuitable for DWDM long-haul links due to extreme modal dispersion at C-band wavelengths.

Can we plug this DWDM module directly into channel 26 of a standard 100GHz ITU grid passive MUX/DEMUX?

Yes, absolutely. This LS-DW2610-40I module is precisely hard-coded to 1556.55nm (Channel 26) in compliance with the standard 100GHz C-Band ITU grid. You can plug it directly into Port/Channel 26 of any standardized passive MUX/DEMUX unit without additional frequency offset adjustment.

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Brocade 10G-SFPP-ZRD-1556.55-I Compatible LINK-PP C26 10G SFP+ DWDM 1556.55nm 40km Duplex LC DDM SMF Optical Transceiver Module (Industrial)

Name: Brocade 10G-SFPP-ZRD-1556.55-I Compatible LINK-PP C26 10G SFP+ DWDM 1556.55nm 40km Duplex LC DDM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 223416
Price: 257.14 USD
Availability: InStock
Rating: 5 (28 reviews)

# 223416

Product: Brocade 10G-SFPP-ZRD-1556.55-I Compatible LINK-PP C26 10G SFP+ DWDM 1556.55nm 40km Duplex LC DDM SMF Optical Transceiver Module (Industrial)
SKU: 223416
P/N: LS-DW2610-40I
Price: $ 299
Stock: 362 in Stock
Sold: 473
Product URL: https://www.l-p.com/products/485973.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

New Users: $10 Coupon for Orders , Code: linkpp2610

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Manufacture: LINK-PP

P/N: LS-DW2610-40I

Compatible:: Cisco; LINK-PP; Arista; Brocade; Ciena; Dell; Extreme; FS; Generic; H3C; HW; Juniper; MRV; Netgear

Wavelength:: C17; C18; C19; C20; C21; C22; C23; C24; C25; C26; C27; C28; C29; C30; C31; C32; C33; C34; C35; C36; C37; C38; C39; C40

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Brocade 10G-SFPP-ZRD-1556.55-I Compatible LINK-PP C26 10G SFP+ Specifications

10G-SFPP-ZRD-1556.55-I defines a 10G SFP+ DWDM optical transceiver at 1556.55nm within the C-band, incorporating a cooled EML laser and PIN photodiode, duplex LC connectivity, up to 40 km reach over single-mode fiber, real-time DDM support, and an operating temperature range of −40 to +85 °C.

Brocade Part Number	10G-SFPP-ZRD-1556.55-I	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1556.55nm	Max Cable Distance	40km
Connector	Duplex LC	Media	SMF
Transmitter Type	EML	Receiver Type	PIN
TX Power	-1 to +2dBm	RX Power	-16 to -1dBm
Receiver Sensitivity	-15.5dBm	DDM Support	Yes
Operating Temperature Range	-40 to 85°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI

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Q: We are setting up remote LTE cell tower nodes in sub-zero winter conditions — will this module cold-start without issues? By V***s on 2026-01-11

A: Yes, this module is rated for industrial temperature. For outdoor LTE remote radio head (RRH) deployments, our industrial-grade modules are tested to cold-start and operate reliably across the full range of -40°C to +85°C (-40°F to +185°F). By admin on 2026-01-12
Q: We're running a 35km link between data centers — do we need single-mode or multi-mode fiber patch cords for this module? By B***n on 2025-08-25

A: You must use single-mode fiber with duplex LC connectors. Multi-mode fiber is strictly unsuitable for DWDM long-haul links due to extreme modal dispersion at C-band wavelengths. By admin on 2025-08-26
Q: Can we plug this DWDM module directly into channel 26 of a standard 100GHz ITU grid passive MUX/DEMUX? By D***y on 2025-06-24

A: Yes, absolutely. This LS-DW2610-40I module is precisely hard-coded to 1556.55nm (Channel 26) in compliance with the standard 100GHz C-Band ITU grid. You can plug it directly into Port/Channel 26 of any standardized passive MUX/DEMUX unit without additional frequency offset adjustment. By admin on 2026-06-25

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R***y

Morocco

Verified Purchase

5 .0

2026-05-19

We run a 10G fiber network for a university campus, connecting 12 buildings over single-mode fiber. The LS-DW2610-40I modules were installed in core and distribution switches. The 40km reach gave us plenty of margin for our longest 32km spans, and the DOM feature lets our NOC monitor optical health in real time. We’ve had zero downtime attributed to these transceivers over 3 months. The industrial temperature rating was key for our outdoor IDF closets, which see wide seasonal swings. The 100GHz C26 wavelength also fits our DWDM plan without crosstalk, and the duplex LC connector is a perfect match for our patch panels.

109 Helpful vote Comments

S***n

South Africa

Verified Purchase

5 .0

2026-03-09

Solid 40km reach on our C26 DWDM link, DOM works great!

51 Helpful vote Comments

C***t

Belgium

Verified Purchase

5 .0

2026-02-19

Clean optical budget on our 35km span, zero frame drops noticed.

44 Helpful vote Comments

K***r

Nepal

Verified Purchase

4 .0

2026-02-11

These industrial DWDM SFP+ modules are running cool inside our high-density aggregation switches with superb link budget metrics. The courier missed the Friday afternoon delivery window, forcing our tech team to reschedule the datacenter installation for Monday morning. Hardware quality is definitely 5 stars.

19 Helpful vote Comments

J***s

Ukraine

Verified Purchase

5 .0

2026-01-15

Needed industrial-grade C26 DWDM optical transceivers for power grid monitoring cabinets where ambient temps swing drastically. These LINK-PP optics transceivers have been running at full line-rate 10G speed for three months straight with zero thermal throttling or bit errors.

90 Helpful vote Comments

T***s

Bulgaria

Verified Purchase

5 .0

2025-12-26

Using these for a cell site backhaul project. The -40°C to +85°C range is real – they’ve been in a heated outdoor enclosure all winter with no alarms. The 100GHz C26 channel slots right into our existing DWDM mux.

92 Helpful vote Comments

S***s

Libyan Arab Jamahiriya

Verified Purchase

5 .0

2025-10-19

We manage a regional fiber network with 40+ DWDM channels. The LS-DW2610-40I (C26, 1556.55nm) was deployed in 8 locations for a 10G ring upgrade. Over 2 months, we’ve seen stable Rx power between -15 and -12dBm on 35km SMF spans. The DOM data (temperature, Vcc, Tx/Rx bias) integrates into our NMS via SNMP, and the industrial temp range has handled our unsheltered roadside cabinets without a single thermal alarm. The 100GHz grid spacing aligns perfectly with our existing mux/demux, and we’ve had zero interoperability issues with our 10G switches.

126 Helpful vote Comments

L***z

Lithuania

Verified Purchase

5 .0

2025-10-06

We subjected this 10G CWDM optical module to continuous thermal stress testing inside an unheated, remote substation enclosure to simulate harsh winter conditions. The wide-temperature engineering proved its worth — the transmitter exhibited zero frequency drift or signal degradation even during severe ambient temperature fluctuations. Thermal dissipation stayed remarkably low inside high-density switch cages, making it an ideal, rock-solid choice for unconditioned outdoor cabinet deployments and industrial automation backhauls.

135 Helpful vote Comments

K***s

Finland

Verified Purchase

5 .0

2025-10-05

Low power consumption and stable signal across our metro ring.

73 Helpful vote Comments

B***y

Austria

Verified Purchase

5 .0

2025-09-21

Checked with our OSA — 1556.55nm accuracy is rock solid!

52 Helpful vote Comments

G***r

Hungary

Verified Purchase

5 .0

2025-08-27

Adding extra 10G pipes over leased dark fiber gets expensive fast. Dropping this C26 1556.55nm 10G SFP+ transceiver into our existing DWDM grid solved our capacity bottleneck overnight at a fraction of lease costs.

101 Helpful vote Comments

R***d

Malaysia

Verified Purchase

5 .0

2025-07-19

Hot-plug & go, no config needed on our 10G switches.

78 Helpful vote Comments

S***z

Romania

Verified Purchase

5 .0

2025-06-25

Deployed these LS-DW2610-40I 10G DWDM modules across a 30km single-mode fiber link connecting our remote aggregation nodes. Both Rx and Tx power levels stayed well within target thresholds. Definitely saved our quarterly budget without sacrificing optical reliability.

99 Helpful vote Comments

J***l

Cambodia

Verified Purchase

5 .0

2025-05-22

Deployed this industrial-grade C26 DWDM 10G optical transceiver across our regional dark fiber span using a passive MUX/DEMUX multiplexer, and the physical layer locked on immediately. The module's center wavelength stability on the standard ITU grid prevented any adjacent channel crosstalk, while the low insertion loss kept frame drops to absolute zero during high-load traffic testing. Digital Optical Monitoring (DOM) polled cleanly via SNMP, giving our engineering team real-time visibility into internal operational health across the entire optical link.

143 Helpful vote Comments

D***n

Indonesia

Verified Purchase

5 .0

2025-05-14

DOM monitoring is accurate, easy to read via CLI. Temperature, voltage, and optical power all show up correctly.

91 Helpful vote Comments

K***s

Denmark

Verified Purchase

5 .0

2025-03-12

We rolled these into a campus fiber ring last month. The 40km budget gave us headroom, and the DOM readings (Tx/Rx power, temp) show up cleanly on our management platform. No handshaking issues with our switches so far.

113 Helpful vote Comments

m***s

Israel

Verified Purchase

5 .0

2025-03-06

I spent a lot of time looking at the 1000 Base-T Optical Transceiver Module and finally decided on l-p.com. The website was very well done so that eased my mind a bit. When the 1000 Base-T Optical Transceiver Module arrived I was pleased that they looked just as good as it did on the website and worked without problem.

29 Helpful vote Comments

B***d

United States

Verified Purchase

5 .0

2025-02-26

Generally quick and easy to find what I'm looking for- and fair prices.

25 Helpful vote Comments

c***t

Germany

Verified Purchase

5 .0

2024-10-10

The website is very easy to use, and I appreciate that since a lot of items I order for my technicians I am not aware of. Your website shows exactly what I need and ordering is easy. Really satisfied with the shopping experience.

38 Helpful vote Comments

A***v

Netherlands

Verified Purchase

5 .0

2024-05-04

The staff team was able to aid us in getting up and running. Many thanks to the entire team at l-p.com!

48 Helpful vote Comments

a***A

United States

Verified Purchase

5 .0

2024-01-24

Smooth transaction, had what I needed, good prices. Doesn't get much better!

93 Helpful vote Comments

J***l

Romania

Verified Purchase

5 .0

2023-12-05

Nice webpage layout & selection. Good customer service when I called about items. No pressure.

6 Helpful vote Comments

M***s

Macao

Verified Purchase

5 .0

2023-11-28

The 10/25/40G Transceiver Modules are great and their service is even better. Most impressive was their communication throughout the entire process. They really answered and dealt with all my questions. Hands down, a superior online shopping experience compared to the local shop.

28 Helpful vote Comments

H***e

United States

Verified Purchase

5 .0

2023-11-19

The website was easy to navigate, and the checkout process was easy.

29 Helpful vote Comments

P***d

Mexico

Verified Purchase

5 .0