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Dell SFP1G-SX-31-I Compatible LINK-PP 1.25G SFP 1310nm 2km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
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Dell SFP1G-SX-31-I Compatible LINK-PP 1.25G SFP 1310nm 2km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

# 212610

Product summary

Product
Dell SFP1G-SX-31-I Compatible LINK-PP 1.25G SFP 1310nm 2km Duplex LC DOM SMF Optical Transceiver Module (Industrial)
SKU
212610
P/N
LS-SM311G-02I
Price
$ 6.5
Stock
519 in Stock
Sold
227
Product URL
https://www.l-p.com/products/494882.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
29 Reviews
4 Questions
Request Stock
227 Sold
$ 6.5 ( 0% OFF )
Free shipping over $600, If you need a more favorable price, please contact us directly.
Qty (pcs) :
Unit Price :
1
$ 6.5
100
$ 6.175
1000
$ 5.98
3000
$ 5.785
6000
$ 5.59
Manufacture: LINK-PP
P/N: LS-SM311G-02I
Compatible:
Cisco
LINK-PP
Adtran
Alcatel-Lucent
Arista
Avaya
Brocade
Calix
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
320-2879 | 10km
SFP1G-ELX-31 | 20km
SFP-EX1550-40 | 40km
SFP-LX-40 | 40km
SFP1G-EX-31-I | 40km
430-4586 | 80km
SFP1G-ZX-55-I | 80km
SFP-EZX-100 | 100km
SFP1G-ZX120-55 | 120km
SFP1G-ZX160-55 | 160km
Shipping:
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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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Dell SFP1G-SX-31-I Compatible LINK-PP 1.25G SFP Specifications

The Dell SFP1G-SX-31-I Compatible LINK-PP module is a high-performance 1.25Gbps SFP transceiver engineered for single-mode fiber infrastructure. It features a 1310nm FP laser transmitter paired with a highly sensitive PIN photodiode receiver. Operating on a stable +3.3V power supply, this hot-pluggable module fully complies with standard SFP MSA and SFF-8472 specifications. It delivers efficient gigabit data transmission.

Dell Part NumberSFP1G-SX-31-IVendor NameLINK-PP
Form Factor SFP Max Data Rate 1.25Gbps
Wavelength 1310nm Max Cable Distance 2km
Connector Duplex LC Media SMF
Transmitter Type FP Receiver Type

PIN
TX Power -12 to -3dBm 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. Dell SFP1G-SX-31-I
  2. SFP1G-SX-31-I
  3. Dell compatible
  4. Dell transceiver
  5. compatible transceiver
  6. LINK-PP compatible
  7. 1G SFP
  8. 1G SFP transceiver
  9. Duplex LC transceiver
  10. SFP1G-SX-31-I compatible

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J***l
Taiwan, Province of China
Verified Purchase
5 .0
2026-05-19
Integrated perfectly with our Arista switches. 1.25Gbps link negotiated instantly on single-mode fiber runs.
194 Helpful vote Comments
M***n
Mexico
Verified Purchase
5 .0
2026-04-20
Tested with Cisco and Juniper switches for our base station backhaul. 1310nm FP transmitter pushes perfectly to 2km on SMF with zero packet loss. Excellent B2B alternative for enterprise deployments.
248 Helpful vote Comments
C***s
Canada
Verified Purchase
5 .0
2026-04-19
The DDM stats read perfectly on my Fortinet firewall. Awesome industrial SFP module!
238 Helpful vote Comments
M***n
Peru
Verified Purchase
5 .0
2025-12-19
Reliable optical transceiver module for extreme heat environments. No connection drops so far.
83 Helpful vote Comments
M***s
Ukraine
Verified Purchase
5 .0
2025-12-13
PIN receiver sensitivity is on point. Fixed our long-reach link issues immediately!
257 Helpful vote Comments
D***n
Netherlands
Verified Purchase
5 .0
2025-08-22
Great SMF optical transceiver for the price.
207 Helpful vote Comments
M***n
Germany
Verified Purchase
5 .0
2025-07-20
Bought a batch for CCTV backhaul. Solid 1310nm wavelength performance across 1.5 miles.
231 Helpful vote Comments
C***n
United States
Verified Purchase
5 .0
2025-07-14
Lots of products but hard to find the exact one I need.
36 Helpful vote Comments
B***r
Canada
Verified Purchase
5 .0
2025-06-01
Good prices and value
37 Helpful vote Comments
D***z
Malaysia
Verified Purchase
5 .0
2025-05-21
DOM readings are highly accurate. Good stuff!
129 Helpful vote Comments
J***s
Hungary
Verified Purchase
5 .0
2025-05-17
Excellent quality, could't ask for better, unbelievable
102 Helpful vote Comments
P***e
South Africa
Verified Purchase
5 .0
2025-04-29
Solid 1310nm performance. Will buy again.
159 Helpful vote Comments
P***g
Nepal
Verified Purchase
5 .0
2025-04-23
The 10/25/40G Transceiver Modules I received more than met my expectations.
53 Helpful vote Comments
S***z
Austria
Verified Purchase
5 .0
2025-04-07
Great price for an industrial-grade gigabit transceiver. Works flawlessly in our outdoor enclosures. ☔
148 Helpful vote Comments
P***n
Argentina
Verified Purchase
4 .0
2025-02-15
OEM compatibility is great, just wish the bulk packaging was a bit more secure.
188 Helpful vote Comments
T***r
Turkey
Verified Purchase
5 .0
2025-01-12
Great price, great product!
85 Helpful vote Comments
P***k
Russian Federation
Verified Purchase
5 .0
2024-12-01
Duplex LC connector fits perfectly into our Netgear gear. Good 1.25G transceiver overall.
90 Helpful vote Comments
B***g
Macao
Verified Purchase
5 .0
2024-08-05
LINK-PP charged for shipping on my small order, but the item arrived quickly and in great packaging. Highly recommend this product and company!
54 Helpful vote Comments
H***n
Taiwan, Province of China
Verified Purchase
5 .0
2024-07-12
Customer service is friendly and helpful. Price is charming. Quality is as expected.
28 Helpful vote Comments
J***x
United Arab Emirates
Verified Purchase
5 .0
2024-06-20
Poor customer services
49 Helpful vote Comments
J***s
United States
Verified Purchase
5 .0
2024-05-10
Great selection and prices. Easy checkout.
43 Helpful vote Comments
M***n
Maldives
Verified Purchase
5 .0
2024-03-23
Fast delivery & easy installation. Thanks!
86 Helpful vote Comments
L***n
Cambodia
Verified Purchase
5 .0
2024-03-15
Product works as described. I have done business with them all in the past and have always had successful outcomes.
24 Helpful vote Comments
Y***i
United States
Verified Purchase
5 .0
2023-10-22
Quick delivery and the items very well packed. Thank you.
28 Helpful vote Comments
M***r
United States
Verified Purchase
5 .0
2023-10-21
easy prdering and easy shipping. I was happy and amused by the comical but informative order tracking emails.
45 Helpful vote Comments
S***n
Maldives
Verified Purchase
5 .0
2023-08-26
The transaction and delivery went very Fast and precise.
64 Helpful vote Comments
T***k
Malaysia
Verified Purchase
5 .0
2023-06-25
Got everything I wanted and in a timely matter. They have awesome prices.
20 Helpful vote Comments
J***g
United Arab Emirates
Verified Purchase
5 .0
2023-06-12
The component worked - no hassle - and continues working. Nice so far.
52 Helpful vote Comments
H***n
France
Verified Purchase
5 .0
2023-06-09
I was very satisfied with the service, quality, and delivery of the product I ordered. No problems with any of the process.
19 Helpful vote Comments
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Dell SFP1G-SX-31-I Compatible LINK-PP 1.25G SFP 1310nm 2km Duplex LC DOM SMF Optical Transceiver Module (Industrial)

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