Is this module fully compliant with the SFF-8472 protocol? Our IT admin needs to ensure the digital optical monitoring (DOM) functions correctly on our dashboard.

You're good to go! It’s 100% SFF-8472 compliant, so your IT team can natively pull all real-time DOM/DDM telemetry—like rx/tx optical power, voltage, and temperature—straight into your existing network management systems without any patching.

Hey guys, will this 1.25G module work nicely with our existing Cisco Catalyst and some Juniper switches in the same rack?

Yes, absolutely! This SFP module is fully SFF-8472 MSA compliant. We’ve extensively tested it to work seamlessly across mixed environments containing Cisco, Juniper, Arista, and other major switches without throwing any third-party optic warnings.

Can I use multi-mode fiber with this module, or does it strictly require single-mode fiber with an LC adapter?

You strictly need Single-Mode Fiber (SMF) with a Duplex LC connector for this module. Since it utilizes a powerful 1550nm DFB laser to push data up to 160km, multimode fiber simply can't handle the transmission physics for this ultra-long-haul setup.

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Intel SFP1G-ZX160-55 Compatible LINK-PP 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module

Name: Intel SFP1G-ZX160-55 Compatible LINK-PP 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module
Brand: LINK-PP
SKU: 214132
Price: 33.97 USD
Availability: InStock
Rating: 5 (32 reviews)

# 214132

Product: Intel SFP1G-ZX160-55 Compatible LINK-PP 1.25G SFP 1550nm 160km Duplex LC DOM SMF Optical Transceiver Module
SKU: 214132
P/N: LS-SM551G-A6C
Price: $ 39.5
Stock: 3167 in Stock
Sold: 904
Product URL: https://www.l-p.com/products/493825.htm

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Manufacture: LINK-PP

P/N: LS-SM551G-A6C

Compatible:: Cisco; LINK-PP; Alcatel-Lucent; Arista; Brocade; Ciena; Dell; Extreme; FS; Fortinet; Generic; H3C; IBM; Intel; Juniper; NVIDIA/Mellanox; Netgear

Compatible P/N:: SFP1G-SX-31 | 2km; SFP1G-SX-31-I | 2km; SFP LX | 10km; TXN22120 | 10km; SFP1G-ELX-31 | 20km; SFP EX | 40km; SFP1G-EX-31-I | 40km; SFP1G-EX-55 | 40km; SFP1G-ZX-55 | 80km; SFP1G-ZX-55-I | 80km; SFP1G-ZX100-55 | 100km; SFP1G-ZX120-55 | 120km; SFP1G-ZX160-55 | 160km

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Intel SFP1G-ZX160-55 Compatible LINK-PP 1.25G SFP Specifications

The Intel SFP1G-ZX160-55 Compatible LINK-PP module is a high-performance Small Form-factor Pluggable transceiver specifically designed for Gigabit Ethernet applications. Operating at a data rate of 1.25Gbps, this commercial-grade module features a 1550nm DFB transmitter paired with a highly sensitive APD receiver, enabling reliable ultra-long-haul optical data transmission up to 160km over single-mode fiber infrastructure.

Intel Part Number	SFP1G-ZX160-55	Vendor Name	LINK-PP
Form Factor	SFP	Max Data Rate	1.25Gbps
Wavelength	1550nm	Max Cable Distance	160km
Connector	Duplex LC	Media	SMF
Transmitter Type	DFB	Receiver Type	APD
TX Power	0 to +5dBm	RX Power	-30 to -1dBm
Receiver Sensitivity	-32dBm	DOM Support	Yes
Operating Temperature Range	0 to 70°C	Protocols	SFF-8472 MSA Compliant, IEEE 802.3ah-2004

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Q: Is this module fully compliant with the SFF-8472 protocol? Our IT admin needs to ensure the digital optical monitoring (DOM) functions correctly on our dashboard. By D***e on 2026-04-10

A: You're good to go! It’s 100% SFF-8472 compliant, so your IT team can natively pull all real-time DOM/DDM telemetry—like rx/tx optical power, voltage, and temperature—straight into your existing network management systems without any patching. By admin on 2026-04-10
Q: Hey guys, will this 1.25G module work nicely with our existing Cisco Catalyst and some Juniper switches in the same rack? By A***g on 2025-05-09

A: Yes, absolutely! This SFP module is fully SFF-8472 MSA compliant. We’ve extensively tested it to work seamlessly across mixed environments containing Cisco, Juniper, Arista, and other major switches without throwing any third-party optic warnings. By admin on 2025-05-09
Q: Can I use multi-mode fiber with this module, or does it strictly require single-mode fiber with an LC adapter? By S***n on 2025-01-25

A: You strictly need Single-Mode Fiber (SMF) with a Duplex LC connector for this module. Since it utilizes a powerful 1550nm DFB laser to push data up to 160km, multimode fiber simply can't handle the transmission physics for this ultra-long-haul setup. By admin on 2025-01-25

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C***n

Ukraine

Verified Purchase

5 .0

2026-04-20

Excellent 1.25G SFP 160km transceiver module!

92 Helpful vote Comments

C***s

Mexico

Verified Purchase

5 .0

2026-04-03

Fast link on our Brocade gear. ⚡

207 Helpful vote Comments

D***s

Switzerland

Verified Purchase

5 .0

2026-03-31

Clean Duplex LC connection, zero issues.

152 Helpful vote Comments

E***t

Mexico

Verified Purchase

5 .0

2025-12-28

Solid 1.25Gbps fiber interface for our Dell switches in the Toronto server room.

106 Helpful vote Comments

C***z

Venezuela

Verified Purchase

5 .0

2025-11-05

Very stable 1.25G transceiver. The DFB transmitter handles our heavy database replication easily.

162 Helpful vote Comments

J***g

Ecuador

Verified Purchase

5 .0

2025-07-01

Used this for a regional base station backhaul over 120km single-mode fiber. The DFB laser holds strong optical power, and 0-70°C operating temperature is stable for our indoor cabinets.

207 Helpful vote Comments

R***z

Macao

Verified Purchase

5 .0

2025-06-07

Cost-effective Cisco compatible LC transceiver.

33 Helpful vote Comments

R***e

France

Verified Purchase

5 .0

2025-05-24

1550nm signal is rock solid here.

117 Helpful vote Comments

R***a

Philippines

Verified Purchase

5 .0

2025-05-23

Perfect drop-in replacement. DOM works natively with our H3C and Netgear core switches.

118 Helpful vote Comments

D***n

Dominican Republic

Verified Purchase

5 .0

2025-04-14

Deployed these 1550nm SMF modules across our Texas campus fiber network. The APD receiver sensitivity is exactly -32dBm as stated. DOM monitoring helps our ops team track temps easily!

57 Helpful vote Comments

L***a

Denmark

Verified Purchase

5 .0

2025-03-08

This 1550nm optical module hit the 150km mark easily in our field test. O_o

95 Helpful vote Comments

P***n

Germany

Verified Purchase

5 .0

2025-01-15

Works flawlessly with my home Gigabit NAS setup using standard Duplex LC cables.

74 Helpful vote Comments

C***s

Belgium

Verified Purchase

4 .0

2025-01-14

Great Cisco compatible LC transceiver, though the bulk packaging was a bit flimsy for me. -_-

190 Helpful vote Comments

M***a

Portugal

Verified Purchase

5 .0

2024-12-21

No compatibility warnings on our Cisco catalyst. Best 1.25G SFP module for enterprise. ✨

85 Helpful vote Comments

E***z

Philippines

Verified Purchase

5 .0

2024-10-12

SFF-8472 compliance is spot on. Good Gigabit Ethernet module for long distance bridging.

82 Helpful vote Comments

J***r

Iran, Islamic Republic of

Verified Purchase

5 .0

2024-05-21

This order was shipped very quickly and arrived in excellent order without any issues.

54 Helpful vote Comments

S***i

France

Verified Purchase

5 .0

2024-05-17

Good experience--products were shipped right away--exactly what we needed.

78 Helpful vote Comments

D***s

Singapore

Verified Purchase

5 .0

2024-04-30

I found the 100 Base-T 10/25/40G Transceiver Modules I needed quickly, at one-third the price being asked at my local electronics retail store.

127 Helpful vote Comments

S***a

New Zealand

Verified Purchase

5 .0

2024-03-21

l-p.com has great prices, the seller was very friendly and knowledgeable. I would do business anywhere else.

126 Helpful vote Comments

N***e

Bangladesh

Verified Purchase

5 .0

2024-02-28

I purchased these 10/25/40G Transceiver Modules because they were less expensive than I found in other places, and order came Fast and quick. Thank You

20 Helpful vote Comments

S***n

United States

Verified Purchase

5 .0

2024-02-13

The communication about the order was wonderful.

68 Helpful vote Comments

S***n

Japan

Verified Purchase

5 .0

2024-02-08

The Optical Transceiver Modules we received has exceeded our expectation. So far I am very pleased with the company.

69 Helpful vote Comments

Q***e

Lithuania

Verified Purchase

5 .0

2024-01-28

The shipping is Fast. I received the products within 10 days, amazing speed! The products were well packaged and worked fine during the past weeks. Glad to find LINK-PP, such a great website. Will definitly come back.

69 Helpful vote Comments

R***m

Belarus

Verified Purchase

5 .0

2023-12-28

Been buying here a long time. Always come here for the best deal of 10/25/40G Transceiver Modules.

113 Helpful vote Comments

S***l

Italy

Verified Purchase

5 .0

2023-12-26

Really Fast service, customer service contacted our office after order was placed to verify correct product was order, then called again to confirm that ethernet port functioning properly.

39 Helpful vote Comments

R***h

United States

Verified Purchase

5 .0

2023-11-07

Good seller. Got it Fast. Would recommend to others.

59 Helpful vote Comments

J***n

United States

Verified Purchase

5 .0