How does this BiDi SFP module handle signal isolation to prevent internal 1330nm/1270nm crosstalk?

The transceiver incorporates high-isolation WDM filters. This optical design ensures that the strong local 1330nm transmit signal does not bleed into and overpower the weak incoming 1270nm receive signal over the same fiber.

Can the SFP-10G32-BX20-I operate securely through optical patch panels and fiber splices?

Yes, provided the total optical budget of the 20km link is not exceeded. Every patch connection or mechanical splice introduces insertion loss, which must be factored into the overall link budget calculation.

How does the simplex LC/UPC interface impact optical return loss (ORL)?

The ultra-physical contact (UPC) polish minimizes back-reflections to ensure high signal-to-noise ratios, which is critical for error-free 10Gbps transmission over 20km.

Can the SFP-10G32-BX20-I module operate in harsh industrial environments?

Yes, the "I" suffix in the part number indicates an industrial-grade operating temperature range, allowing it to function reliably in harsh, wide-temperature environments.

Is this module physically compatible with high-density server network interface cards?

Yes, the module dimensions follow standard multi-source agreement specifications perfectly. It fits tightly into any standard SFP+ hardware cage without overlapping adjacent ports.

I accidentally bought two of these LS-BL332710-20I modules. Can they talk to each other directly?

No, BiDi modules require opposing wavelengths. You must pair this 1330nm-TX/1270nm-RX unit with its 1270nm-TX/1330nm-RX counterpart at the other end.

Can I pull live DDM stats from this module into third-party monitoring tools like Zabbix?

Yes, as long as your switch supports SNMP polling for SFF-8472 diagnostics, our module will stream real-time optical telemetry flawlessly.

Can I run this single-mode module over a short 10-meter multi-mode OM3 cable just for testing in the lab?

No, this is designed strictly for 9/125µm single-mode fiber (SMF). Multi-mode fiber will cause severe attenuation and won't link up.

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FS SFP-10G32-BX20-I Compatible LINK-PP 10G SFP+ BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)

Name: FS SFP-10G32-BX20-I Compatible LINK-PP 10G SFP+ BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)
Brand: LINK-PP
SKU: 211307
Price: 18.49 USD
Availability: InStock
Rating: 4.9 (18 reviews)

# 211307

Product: FS SFP-10G32-BX20-I Compatible LINK-PP 10G SFP+ BiDi 1330nm-TX/1270nm-RX 20km Simplex LC/UPC DOM SMF Optical Transceiver Module (Industrial)
SKU: 211307
P/N: LS-BL332710-20I
Price: $ 21.5
Stock: 484 in Stock
Sold: 2.8K
Product URL: https://www.l-p.com/products/493743.htm

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Manufacture: LINK-PP

P/N: LS-BL332710-20I

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

Compatible P/N:: SFP-10G23-BX10 | 10km; SFP-10G23-BX10-I | 10km; SFP-10G32-BX10 | 10km; SFP-10G32-BX10-I | 10km; SFP-10G23-BX20 | 20km; SFP-10G23-BX20-I | 20km; SFP-10G32-BX20 | 20km; SFP-10G32-BX20-I | 20km; SFP-10G23-BX40 | 40km; SFP-10G23-BX40-I | 40km; SFP-10G32-BX40 | 40km; SFP-10G32-BX40-I | 40km; SFP-10G23-BX60 | 60km; SFP-10G23-BX60-I | 60km; SFP-10G32-BX60 | 60km; SFP-10G32-BX60-I | 60km; SFP-10G45-BX80 | 80km; SFP-10G54-BX80 | 80km; SFP-10G45-BX100 | 100km; SFP-10G54-BX100 | 100km

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FS SFP-10G32-BX20-I Compatible LINK-PP 10G SFP+ Specifications

The FS SFP-10G32-BX20-I Compatible LINK-PP module is a single-channel, bidirectional (BiDi) 10G SFP+ optical transceiver module that enables simultaneous data transmission and reception over a single strand of single-mode fiber, operating at a wavelength pair of 1330nm-TX/1270nm-RX to support link lengths of up to 20km.

FS Part Number	SFP-10G32-BX20-I	Vendor Name	LINK-PP
Form Factor	SFP+	Max Data Rate	10.7Gbps
Wavelength	1330nm-TX/1270nm-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	-40 to 85°C	Protocols	SFP+ MSA Compliant, CPRI, eCPRI

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Q: Is this module physically compatible with high-density server network interface cards? By R***z on 2026-05-12

A: Yes, the module dimensions follow standard multi-source agreement specifications perfectly. It fits tightly into any standard SFP+ hardware cage without overlapping adjacent ports. By admin on 2026-05-13
Q: I accidentally bought two of these LS-BL332710-20I modules. Can they talk to each other directly? By J***h on 2026-03-05

A: No, BiDi modules require opposing wavelengths. You must pair this 1330nm-TX/1270nm-RX unit with its 1270nm-TX/1330nm-RX counterpart at the other end. By admin on 2026-03-06
Q: Can I pull live DDM stats from this module into third-party monitoring tools like Zabbix? By E***s on 2025-12-18

A: Yes, as long as your switch supports SNMP polling for SFF-8472 diagnostics, our module will stream real-time optical telemetry flawlessly. By admin on 2025-12-19
Q: Can I run this single-mode module over a short 10-meter multi-mode OM3 cable just for testing in the lab? By B***a on 2025-10-22

A: No, this is designed strictly for 9/125µm single-mode fiber (SMF). Multi-mode fiber will cause severe attenuation and won't link up. By admin on 2025-10-23

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B***y

United States

Verified Purchase

4 .0

2026-05-14

Does exactly what it says on the spec sheet. We have about 40 of these deployed across various regional outdoor node cabinets for municipal CCTV backhaul. The industrial wide temperature range handles the summer heatwaves easily. Shipping took a few extra days to arrive in Ohio, but the performance per dollar is hard to beat.

11 Helpful vote Comments

G***y

Italy

Verified Purchase

5 .0

2026-05-01

Perfect option for local network installers. We use these for medium- and long-range multi-building links up to 20km. The simplex LC mechanism makes running neat patch fields simple. Excellent DOM functionality allows us to troubleshoot attenuation issues directly from the CLI dashboard. Very satisfied customer!

67 Helpful vote Comments

E***s

Canada

Verified Purchase

5 .0

2026-04-03

Survives extreme weather in our outdoor wireless tower cabinets! We manage rural LTE and wireless microcell sites across Canada where the winter temperatures drop way below freezing. Standard commercial-grade optics always drift in wavelength and drop the connection when it gets too cold, but these industrial-grade (-40°C to 85°C) modules haven't dropped a single packet in three months. The link holds a rock-solid 10Gbps line rate even when the outdoor cabinet gets baked by direct sunlight in the summer. It has saved our field tech team from making tons of expensive emergency driving trips out to remote sites just to reboot stuck modules.

92 Helpful vote Comments

A***f

Portugal

Verified Purchase

5 .0

2026-03-11

Perfect match for 4K/8K smart city CCTV surveillance networks. We deployed these 20km BiDi transceivers across a municipal network that feeds high-resolution traffic security cameras back to a central monitoring node. Since municipal fiber allocation is strictly limited, doing bidirectional transmission over a single strand was the only way to make this project work under budget. The internal DDM tool gives us highly accurate real-time data on voltage and laser temperature, which is essential for our preventative maintenance scheduling. The signal integrity is super clean, meaning our video streams don't stutter or freeze even during peak data hours.

89 Helpful vote Comments

A***y

Germany

Verified Purchase

5 .0

2025-12-05

Solid industrial SFP+ modules, surviving the harsh German winter in outdoor cabinets perfectly.

15 Helpful vote Comments

C***y

France

Verified Purchase

5 .0

2025-09-02

The best cost-saving alternative for regional ISP distribution nodes. As a network tech for a local broadband provider, I am always looking for ways to cut infrastructure costs without sacrificing network uptime. We installed nearly 60 of these LINK-PP 10G BiDi SFP+ transceivers into our street-side distribution hubs, and we have experienced zero hardware failures or infant mortality issues so far. The modules show excellent receiver sensitivity even over longer fiber paths that have multiple inline splices and older patch panels. For any buyer who needs to balance rugged industrial build quality with a reasonable volume price, this is the best deal online.

106 Helpful vote Comments

E***k

Brazil

Verified Purchase

5 .0

2025-08-26

Top-notch 10G BiDi SFP+ single-mode transceiver. We required the 1330nm-TX and 1270nm-RX configuration to align with our pre-existing simplex ISP fiber handoffs. Zero bit errors detected on our internal syslog monitoring over 48 hours of heavy continuous load tests. LINK-PP is now our official approved vendor for standard project rollouts.

47 Helpful vote Comments

A***y

India

Verified Purchase

5 .0

2025-07-19

We deployed these inside our industrial trackside monitoring boxes. The hardware runs rock solid through rapid temperature swings. My only complaint is that the electronic PDF documentation took a bit of hunting down on the store page, but the technical support team emailed it over within 10 minutes. Excellent responsive service!

35 Helpful vote Comments

D***y

India

Verified Purchase

5 .0

2025-06-08

The factory-programmed compatibility on these 10G BiDi modules is incredible. Usually, getting third-party transceivers to negotiate nicely with picky telecom gear is a nightmare, but these connected at full duplex immediately. Low latency, low power consumption, and the DOM metrics match our high-end optical power meter tests.

58 Helpful vote Comments

G***y

Spain

Verified Purchase

5 .0

2025-05-12

Great reliability for linking factory automation floors over long distances. Our manufacturing plant has huge automated assembly floors with lots of heavy machinery that causes massive electromagnetic interference over traditional copper lines. We laid a 12km single-mode fiber line and used these LINK-PP industrial transceivers to connect the factory floor back to the main management office. The modules fit tightly into our hardened industrial edge switches, and the connection has been running smoothly without any lag or packet loss. It’s a very solid, ruggedly built product that can handle a lot of vibration and harsh factory environments easily.

134 Helpful vote Comments

B***y

United Kingdom

Verified Purchase

5 .0

2025-04-28

Using these for an enterprise wireless access point backhaul aggregation layer. They pop straight into our PoE+ distribution switches without a hitch. Getting authentic SFF-8472 compliant DOM readings at this low price point saves us tons of diagnostic time. Definitely keeping these on our standard bill of materials list.

42 Helpful vote Comments

z***n

United States

Verified Purchase

5 .0

2024-01-31

Easy ordering, quickly installed. No problems or concerns. Nicely priced compared to other retailers.

33 Helpful vote Comments

B***m

United States

Verified Purchase

5 .0

2023-08-23

Quick and easy ordering process..best price i found online for this item!

129 Helpful vote Comments

A***o

Italy

Verified Purchase

5 .0

2023-08-12

LINK-PP do things right and if for some reason there is an issue they make it right.

40 Helpful vote Comments

I***i

United States

Verified Purchase

5 .0

2023-07-24

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

85 Helpful vote Comments

N***n

Netherlands

Verified Purchase

5 .0

2023-06-06

I received it on time, packaging was well put together.

49 Helpful vote Comments

O***h

Belarus

Verified Purchase

5 .0

2023-05-31

Fast shipping from their warehouse in Singapore. Spare the import costs and save time for our locals. It gets more convenient, no longer worry about the high shipping costs.

31 Helpful vote Comments

H***n

Turkey

Verified Purchase

5 .0

2023-01-09

very responsive, competitive, and reliable.

26 Helpful vote Comments