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Arista SFP1G-EX-31-I Compatible LINK-PP 1.25G SFP 1310nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
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Arista SFP1G-EX-31-I Compatible LINK-PP 1.25G SFP 1310nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

# 223992

Product summary

Product
Arista SFP1G-EX-31-I Compatible LINK-PP 1.25G SFP 1310nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU
223992
P/N
LS-SM311G-40I
Price
$ 12
Stock
827 in Stock
Sold
634
Product URL
https://www.l-p.com/products/493796.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
28 Reviews
3 Questions
Request Stock
634 Sold
$ 12 ( 0% OFF )
Free shipping over $600, If you need a more favorable price, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 12
100
$ 11.4
1000
$ 11.04
3000
$ 10.68
6000
$ 10.32
Manufacture: LINK-PP
P/N: LS-SM311G-40I
Compatible:
Cisco
LINK-PP
Adtran
Alcatel-Lucent
Arista
Avaya
Brocade
Calix
Ciena
Dell
Extreme
FS
Generic
H3C
IBM
Intel
Juniper
Moxa
NVIDIA/Mellanox
Netgear
Compatible P/N:
SFP1G-SX-31 | 2km
SFP1G-SX-31-I | 2km
SFP-1G-LX | 10km
SFP-1G-LX-20 | 20km
SFP-1G-EX-40 | 40km
SFP-1G-EX1550-40 | 40km
SFP1G-EX-31-I | 40km
SFP-1G-EX-80 | 80km
SFP1G-ZX-55-I | 80km
SFP-1G-EZX-100 | 100km
SFP-1G-EZX-120 | 120km
SFP-1G-EZX-160 | 160km
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5-Year Warranty 30-Day Returns 30-Day Exchange
Warranty
  • Providing industry-leading 5-year warranty.
  • Read the table for details of all products' warranty.
Returns & Exchange
  • Refunds will be received about 5 business days after the receipt of returned items.
  • Items in stock for replacement can be shipped within 1 business day.
  • Read the full return policy for details.
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Arista SFP1G-EX-31-I Compatible LINK-PP 1.25G SFP Specifications

The Arista SFP1G-EX-31-I Compatible LINK-PP module is an industrial-grade 1.25G SFP transceiver engineered for optimal performance. Operating at a 1310nm wavelength over single-mode fiber, it supports transmission distances up to 40km. Featuring a duplex LC interface and full Digital Optical Monitoring, this hot-pluggable module operates reliably across a wide temperature range from -40°C to 85°C.

Arista Part NumberSFP1G-EX-31-IVendor NameLINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm Max Cable Distance 40km
Connector Duplex LC Media SMF
Transmitter Type
 DFB Receiver Type
 PIN
TX Power -5 to 0dBm RX Power -23 to -1dBm
Receiver Sensitivity <-23dBm DOM Support Yes
Operating Temperature Range
 -40 to 85°C Protocols
 SFF-8472 MSA Compliant, IEEE 802.3ah-2004

Videos

LINK-PP

  1. Arista SFP1G-EX-31-I
  2. SFP1G-EX-31-I
  3. Arista compatible
  4. Arista transceiver
  5. compatible transceiver
  6. LINK-PP compatible
  7. 1G SFP
  8. 1G SFP transceiver
  9. Duplex LC transceiver
  10. SFP1G-EX-31-I compatible

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M***z
Chile
Verified Purchase
5 .0
2026-05-21
Perfect for our Cisco campus fiber network!
167 Helpful vote Comments
M***z
Costa Rica
Verified Purchase
5 .0
2026-03-31
Reliable 1.25G SFP 1310nm module. Good for long haul single-mode fiber links up to 40km.
61 Helpful vote Comments
D***n
United States
Verified Purchase
5 .0
2026-03-15
Awesome OEM compatibility and fast batch deployment.
44 Helpful vote Comments
M***t
Sweden
Verified Purchase
4 .0
2026-01-25
Box was slightly crushed on arrival, but the 1.25G industrial SFP works perfectly.
189 Helpful vote Comments
J***z
United States
Verified Purchase
5 .0
2026-01-02
Used these for a 38km base station backhaul. The DFB laser holds up great.
171 Helpful vote Comments
D***k
Netherlands
Verified Purchase
5 .0
2025-09-20
Cheap and reliable 1.25G fiber optic transceiver.
175 Helpful vote Comments
S***r
Malaysia
Verified Purchase
5 .0
2025-07-22
Tested these -40 to 85°C transceivers in our factory floor switches. No packet loss!
136 Helpful vote Comments
B***z
Denmark
Verified Purchase
5 .0
2025-07-13
Survived -30C in our remote base station!
185 Helpful vote Comments
D***z
Malaysia
Verified Purchase
5 .0
2025-07-12
Needed a reliable MSA compliant transceiver for an outdoor IP camera mesh. This industrial wide-temp SFP handles freezing nights perfectly. It synced with our mixed Alcatel environment without vendor lock-in complaints. Brilliant hardware. ❄️
160 Helpful vote Comments
A***n
Macao
Verified Purchase
5 .0
2025-07-09
Works perfectly in my home lab router.
195 Helpful vote Comments
C***a
Panama
Verified Purchase
5 .0
2025-06-27
Plug and play duplex LC SMF module.
39 Helpful vote Comments
C***l
Egypt
Verified Purchase
5 .0
2025-06-05
SFF-8472 MSA compliant indeed. The DDM readings are incredibly accurate on our Arista gear.
125 Helpful vote Comments
M***n
Brazil
Verified Purchase
5 .0
2025-03-22
Much cheaper than original Cisco 1G SFPs but performs exactly the same in production.
175 Helpful vote Comments
R***l
Thailand
Verified Purchase
5 .0
2025-02-20
Excellent value for IEEE 802.3ah-2004 deployments. Works right out of the box with Dell.
24 Helpful vote Comments
Y***e
Hong Kong
Verified Purchase
5 .0
2024-04-20
Received what I ordered in a timely manner. Products arrived well packed and in perfect condition.
28 Helpful vote Comments
R***t
Hungary
Verified Purchase
5 .0
2024-04-12
Linkpp have always delivered quality products
19 Helpful vote Comments
T***y
Russian Federation
Verified Purchase
5 .0
2024-03-20
It is exactly what I needed for my project.
103 Helpful vote Comments
J***n
India
Verified Purchase
5 .0
2024-03-13
Great price, outstanding service.
52 Helpful vote Comments
B***g
Libyan Arab Jamahiriya
Verified Purchase
5 .0
2024-01-06
i love the clock that shows you how long you have to order to get tommorow.
15 Helpful vote Comments
M***a
United Kingdom
Verified Purchase
5 .0
2023-12-11
l-p.com is the best optical transceiver store, which i know. I received perform well.
40 Helpful vote Comments
T***i
Japan
Verified Purchase
5 .0
2023-11-29
Great price and always has what I'm looking for.
99 Helpful vote Comments
D***r
Spain
Verified Purchase
5 .0
2023-10-04
No fuss, no drama - the product arrived on time, and worked perfectly.
129 Helpful vote Comments
D***g
Indonesia
Verified Purchase
5 .0
2023-09-15
Great price for product and shipping. Fast shipping. Will shop again!
26 Helpful vote Comments
A***a
Bangladesh
Verified Purchase
5 .0
2023-08-06
Fast, realiable shipping and good customer service support!! Had no problems.
21 Helpful vote Comments
W***a
France
Verified Purchase
5 .0
2023-06-06
Speedy delivery, always well packaged and always good quality product
54 Helpful vote Comments
R***d
Russian Federation
Verified Purchase
5 .0
2023-04-01
Prices were very reasonable, and delivery was great.
85 Helpful vote Comments
G***i
Italy
Verified Purchase
5 .0
2023-03-19
Friendly customer service and the best prices!
66 Helpful vote Comments
J***d
Russian Federation
Verified Purchase
5 .0
2023-02-04
My orders came Fast and with a great warranty so I have peace of mind as well.
53 Helpful vote Comments
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Arista SFP1G-EX-31-I Compatible LINK-PP 1.25G SFP 1310nm 40km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

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