Does the XCVR-S20U27 require a specific module for the opposite end of the fiber link?

Yes. As a BiDi module, it must pair with a transceiver featuring complementary wavelengths, specifically a TX 1330nm/RX 1270nm 10G 20km SFP+ module, to establish a functional optical link.

Can this commercial-grade transceiver be deployed in unconditioned outdoor cabinets?

No. This module is rated for commercial operating temperatures between 0°C and 70°C. For unconditioned outdoor environments, an industrial-grade version (-40°C to 85°C) should be utilized.

What type of fiber optic patch cable is required for this module?

It requires a Simplex Single-Mode Fiber (SMF) patch cable terminated with a standard simplex LC/UPC connector. Dual-fiber (duplex) cables or APC angled connectors are not compatible.

Does this transceiver support multi-vendor switch architectures?

Yes. The module complies with SFP+ MSA specifications and features fully compatible EEPROM coding, enabling seamless operation across major industry-standard enterprise networking platforms.

Hey, does this 10g bidi module work out-of-the-box with Cisco Nexus switches for eCPRI protocols? Don't want to flash EEPROM myself.

Yes! It is fully SFP+ MSA compliant with pre-coded EEPROM. It works seamlessly with major multi-vendor equipment like Cisco Nexus and natively supports eCPRI/CPRI for base station and enterprise setups.

I’m planning a campus network upgrade. Can I use dual-fiber patch cables with this, or does it strictly need a simplex connection?

This is a BiDi (Bidirectional) transceiver, meaning it transmits and receives over a single fiber strand. Therefore, it strictly requires a Simplex LC Single-Mode Fiber (SMF) patch cable. Standard duplex cables are not compatible.

Our data center needs about 300 pieces of this 1270/1330nm transceiver. Do you offer batch discounts for bulk enterprise purchases?

Absolutely! We offer tiered pricing and excellent discounts for enterprise bulk deployments. Please reach out to our sales team directly, and we will provide a custom discounted quote to support your large-scale network deployment.

We need to deploy these in unconditioned outdoor cabinets. Will this 0-70°C commercial version survive, or is there an industrial grade option?

For unconditioned outdoor cabinets, we highly recommend purchasing the industrial-grade version (LS-BL273310-20I) which supports wide-temp operations from -40°C to 85°C. This commercial LS-BL273310-20C model is strictly rated for indoor or temperature-controlled 0°C to 70°C environments.

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Ciena XCVR-S20U27 Compatible LINK-PP 10G SFP+ BiDi 1270nm-TX/1330nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module

Name: Ciena XCVR-S20U27 Compatible LINK-PP 10G SFP+ BiDi 1270nm-TX/1330nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 211859
Price: 15.936 USD
Availability: InStock
Rating: 5 (35 reviews)

# 211859

Product: Ciena XCVR-S20U27 Compatible LINK-PP 10G SFP+ BiDi 1270nm-TX/1330nm-RX 20km Simplex LC DOM SMF Optical Transceiver Module
SKU: 211859
P/N: LS-BL273310-20C
Price: $ 18.53
Stock: 1347 in Stock
Sold: 737
Product URL: https://www.l-p.com/products/494126.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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Manufacture: LINK-PP

P/N: LS-BL273310-20C

Compatible:: Cisco; LINK-PP; Arista; Broadcom; Brocade; Ciena; D-Link; DELL; Extreme; FS; Fortinet; Generic; HW; Juniper

Compatible P/N:: XCVR-S10U27 | 10km; XCVR-S10U27-I | 10km; XCVR-S10U33 | 10km; XCVR-S10U33-I | 10km; 12787 | 20km; 12787-I | 20km; 12821 | 20km; 12821-I | 20km; XCVR-S20U27 | 20km; XCVR-S20U33 | 20km; XCVR-S40U27 | 40km; XCVR-S40U33 | 40km; XCVR-S60U27 | 60km; XCVR-S60U33 | 60km

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Ciena XCVR-S20U27 Compatible LINK-PP 10G SFP+ Specifications

This commercial-grade BiDi SFP+ transceiver delivers highly efficient 10Gbps throughput over a single single-mode fiber up to 20km. Operating at 1270nm-TX/1330nm-RX with a simplex LC/UPC connector, it integrates advanced WDM and DOM capabilities. Engineered for top-tier switch compatibility, these specifications ensure reliable data center and enterprise network expansion.

Ciena Part Number	XCVR-S20U27	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1270nm-TX/1330nm-RX	Max Cable Distance	20km
Connector	Simplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	PIN
TX Power	-6.5 to +2dBm	RX Power	-17 to +1dBm
Receiver Sensitivity	-14.4dBm	Receiver Overload	0.5dBm
Operating Temperature Range	0 to 70°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI

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Q: Hey, does this 10g bidi module work out-of-the-box with Cisco Nexus switches for eCPRI protocols? Don't want to flash EEPROM myself. By A***n on 2026-04-07

A: Yes! It is fully SFP+ MSA compliant with pre-coded EEPROM. It works seamlessly with major multi-vendor equipment like Cisco Nexus and natively supports eCPRI/CPRI for base station and enterprise setups. By admin on 2026-04-07
Q: I’m planning a campus network upgrade. Can I use dual-fiber patch cables with this, or does it strictly need a simplex connection? By R***z on 2026-02-04

A: This is a BiDi (Bidirectional) transceiver, meaning it transmits and receives over a single fiber strand. Therefore, it strictly requires a Simplex LC Single-Mode Fiber (SMF) patch cable. Standard duplex cables are not compatible. By admin on 2026-02-04
Q: Our data center needs about 300 pieces of this 1270/1330nm transceiver. Do you offer batch discounts for bulk enterprise purchases? By J***z on 2026-01-04

A: Absolutely! We offer tiered pricing and excellent discounts for enterprise bulk deployments. Please reach out to our sales team directly, and we will provide a custom discounted quote to support your large-scale network deployment. By admin on 2026-01-04
Q: We need to deploy these in unconditioned outdoor cabinets. Will this 0-70°C commercial version survive, or is there an industrial grade option? By M***e on 2025-07-14

A: For unconditioned outdoor cabinets, we highly recommend purchasing the industrial-grade version (LS-BL273310-20I) which supports wide-temp operations from -40°C to 85°C. This commercial LS-BL273310-20C model is strictly rated for indoor or temperature-controlled 0°C to 70°C environments. By admin on 2025-07-14

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M***t

Dominican Republic

Verified Purchase

5 .0

2026-05-18

Flawless Cisco compatible 10g sfp. DDM functions perfectly in our data center.

199 Helpful vote Comments

B***t

Philippines

Verified Purchase

5 .0

2026-02-19

Cheap and reliable simplex LC connector module.

181 Helpful vote Comments

M***r

Ecuador

Verified Purchase

5 .0

2025-11-03

Plug and play on my Broadcom switches.

89 Helpful vote Comments

M***r

France

Verified Purchase

5 .0

2025-11-01

CPRI protocol support is exactly what we needed for the base station upgrade.

110 Helpful vote Comments

J***g

Brazil

Verified Purchase

5 .0

2025-08-24

We strictly need SFP+ MSA compliant hardware. This 1270nm-tx/1330nm-rx transceiver handles our enterprise core routing upgrade smoothly. DFB laser output is very stable over 18km single-mode fiber. Highly recommend for enterprise bulk buy.

123 Helpful vote Comments

S***n

New Zealand

Verified Purchase

5 .0

2025-07-14

Batch deployed these for base station backhaul using eCPRI. The simplex LC SMF module handled 15km effortlessly. Runs cool within the 0-70°C range. Great multi-vendor switch compatibility out of the box!

66 Helpful vote Comments

J***n

Finland

Verified Purchase

5 .0

2025-06-22

Awesome 10G BiDi optical module! ⚡

187 Helpful vote Comments

J***n

Chile

Verified Purchase

5 .0

2025-06-11

Used in an enterprise 10G NAS setup, this single-mode transceiver works seamlessly.

41 Helpful vote Comments

M***s

Mexico

Verified Purchase

5 .0

2025-05-31

Works great on both FS and Extreme.

150 Helpful vote Comments

J***z

Brazil

Verified Purchase

4 .0

2025-04-29

Shipping took an extra day. The 10G BiDi SFP+ modules work flawlessly though!

109 Helpful vote Comments

K***g

Ireland

Verified Purchase

5 .0

2025-04-19

Runs cool under 70°C workload. Good 10g bidi transceiver for our indoor racks. ❄️

169 Helpful vote Comments

D***s

Ukraine

Verified Purchase

5 .0

2025-04-12

Perfect commercial grade SFP+ for office.

35 Helpful vote Comments

B***r

Switzerland

Verified Purchase

5 .0

2025-03-14

Solid 20km transmission distance capability!

199 Helpful vote Comments

E***z

Japan

Verified Purchase

5 .0

2025-03-03

Affordable DOM optical module, exact DFB laser specs as advertised. Will reorder!

101 Helpful vote Comments

P***n

Canada

Verified Purchase

5 .0

2025-01-21

Fast delivery, DOM monitoring works well. ⏱️

50 Helpful vote Comments

L***s

Russian Federation

Verified Purchase

5 .0

2025-01-18

Exact 1270nm/1330nm bidi transceiver I needed.

87 Helpful vote Comments

J***r

Spain

Verified Purchase

5 .0

2025-01-17

Perfect for upgrading my home 10G NAS. Replaced dual-fiber with this simplex LC optic. Saved fiber strands! Real-time DOM monitoring is accurate. Arista compatible 10g sfp+ just works like a charm.

180 Helpful vote Comments

K***s

Ecuador

Verified Purchase

5 .0

2024-10-24

Low latency for 10Gbps data center needs.

56 Helpful vote Comments

N***o

Germany

Verified Purchase

5 .0

2024-03-29

Another buy from l-p.com. Just what I expected.

77 Helpful vote Comments

J***n

Thailand

Verified Purchase

5 .0

2024-03-19

This is my go-to site for ordering high quality Sfp cage, especially customized ones. They always have the best prices and a great selection.

71 Helpful vote Comments

M***o

Philippines

Verified Purchase

5 .0

2024-02-28

Good service, efficient website. Will come back for more Optical Transceiver Modules.

57 Helpful vote Comments

J***h

Israel

Verified Purchase

5 .0

2024-02-12

Working with l-p.com was a pleasure. The service was great and the Optical Transceiver Module was beyond my expectations. Extremely satisfied. Thank you.

95 Helpful vote Comments

M***z

Russian Federation

Verified Purchase

5 .0

2023-11-23

work good without any issue. Easy to navigate website, check-out Fast and efficient. Highly recommended and great prices and cheaper than many other stores.Will buy more here in the future.

23 Helpful vote Comments

A***o

United States

Verified Purchase

5 .0

2023-09-24

Very quick delivery as always Thanks

86 Helpful vote Comments

J***l

Hong Kong

Verified Purchase

5 .0

2023-08-18

No problem so far after quite a few orders over the past few years.

42 Helpful vote Comments

B***m

Germany

Verified Purchase

5 .0

2023-08-15

great website, good prices....very happy

85 Helpful vote Comments

I***b

New Zealand

Verified Purchase

5 .0

2023-05-17

Good selection of goods. Outstanding service and support!

82 Helpful vote Comments

W***u

Indonesia

Verified Purchase

5 .0

2023-05-07

Good customer service, happy with the service.

55 Helpful vote Comments

L***g

Brazil

Verified Purchase

5 .0

2023-04-24

fantastic! the part work perfectly and shipped extremely Fast!

109 Helpful vote Comments

M***n

United States

Verified Purchase

5 .0

2023-04-17

I can always find what I need at l-p.com. Prices are competitive and ordering is very easy.

24 Helpful vote Comments

F***l

Thailand

Verified Purchase

5 .0

2023-04-12

I was also impressed by their services. They always answered my questions in no time and also helped me finish the configuration. Many thanks...

11 Helpful vote Comments

J***e

Belarus

Verified Purchase

5 .0

2023-04-09

The customer service was great and responded quickly (my communication was by email). Many payment options. Easy process. Quick customization and shipping.

101 Helpful vote Comments

M***u

Denmark

Verified Purchase

5 .0

2023-03-15

Easy to use website and prompt delivery.

38 Helpful vote Comments

J***r

Somalia

Verified Purchase

5 .0