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Arista SFP-100M-FX 100BASE-FX SFP 1310nm 2 km MMF
100 Mbps 100BASE-FX (SGMII) SFP transceiver, 1310 nm, up to 2 km MMF, 0 to 70 °C case temperature.
- Manufacturer
- Arista Networks, Inc.
- Mfr part number
- SFP-100M-FX
- Series
- 1G SFP
- Category
- Fiber optic transceiver modules
- Datasheet
- SFP-100M-FX datasheet (PDF)
SFP-100M-FX specifications
| Attribute | Value |
|---|---|
| Part Number | SFP-100M-FX |
| Manufacturer | Arista Networks, Inc. |
| Brand | Arista Networks |
| Standard | 100BASE-FX (SGMII) |
| Form Factor | SFP, hot-swappable |
| Data Rate | 100 Mbps |
| Wavelength | 1310 nm |
| Media | Multimode |
| Max Distance | 2 km MMF |
| Connector | Duplex LC |
| Tx Power | −20 to −14 dBm |
| Rx Power | −31 to −8 dBm |
| Max Power | 1.5 W |
| Case Temp | 0 °C to 70 °C |
| Dimensions | 8.55 × 13.7 × 56.5 mm |
| Reach detail | 550 m on 62.5 µm (200 MHz·km) and 2 km on 50 µm (500 MHz·km) multimode fiber |
All values are from Arista Networks' published Optics Modules and Cables data sheet (Sep 2026). Confirm platform support for your switch with us before ordering.
About the Arista SFP-100M-FX
The Arista SFP-100M-FX is a hot-swappable SFP 100BASE-FX (SGMII) optical transceiver for 100 Mbps Ethernet over multimode, with a Duplex LC interface and reach of up to 2 km MMF. It keeps legacy 100 Mbps fibre devices (meters, controllers, older switches) connected to a modern Arista switch. Typical uses: campus access and distribution uplinks, inter-building fibre, CCTV and industrial aggregation, and legacy Gigabit links.
- 100 Mbps 100BASE-FX up to 2 km MMF
- 100 Mbps Fast Ethernet over multimode
- SGMII electrical interface
- Duplex LC connector · Multimode
- Genuine Arista optic · GST invoice · pan-India dispatch
SFP-100M-FX: frequently asked questions
What is the Arista SFP-100M-FX?
The Arista SFP-100M-FX is a SFP 100BASE-FX (SGMII) module from Arista Networks for 100 Mbps links. It plugs into a SFP port on an Arista switch and is used for campus access and distribution uplinks, inter-building fibre, CCTV and industrial aggregation, and legacy Gigabit links.
What is the maximum distance of the SFP-100M-FX?
Arista specifies the SFP-100M-FX for 550 m on 62.5 µm (200 MHz·km) and 2 km on 50 µm (500 MHz·km) multimode fiber.
What are the transmit and receive power levels of the SFP-100M-FX?
Per Arista's published optics data sheet, the SFP-100M-FX transmits −20 to −14 dBm and receives −31 to −8 dBm.
Which fiber and connector does the SFP-100M-FX need?
The SFP-100M-FX uses a Duplex LC connector on multimode, at 1310 nm. Both ends of the link must use the same optical standard.
Is the SFP-100M-FX compatible with my Arista switch?
It works in Arista switches with SFP ports that support this optic. Send us your switch model and EOS version and we will check it against Arista's Transceiver and Cable Guide before dispatch, so you only receive a module that works in your port.
Is SFP-100M-FX the same as a 1G SFP?
No. SFP-100M-FX runs 100 Mbps Fast Ethernet (100BASE-FX). It is only for links where the far end is also 100BASE-FX; for Gigabit fibre use SFP-1G-SX (multimode) or SFP-1G-LX (single-mode).
Is your SFP-100M-FX genuine Arista?
Yes. Next Gen Networks supplies original Arista Networks optics, not third-party lookalikes or grey-market stock. Every unit is checked before dispatch, and we share the serial numbers on request so you can verify them in EOS ('show inventory').
What is the SFP-100M-FX price in India and how do I order?
The Arista SFP-100M-FX price in India depends on quantity, delivery city and current stock. Next Gen Networks supplies it with a GST invoice (input tax credit ready) and pan-India dispatch from New Delhi. Send the part number, quantity and delivery city on WhatsApp +91-7827955775 or email Sales@nextgennetworks.in and we reply with a GST quote.
How much power does the SFP-100M-FX draw?
Arista lists maximum power of 1.5 W for the SFP-100M-FX. Check your switch's per-port power budget for dense deployments.
Documents
NextGen datasheetPDF · specs, FAQ & buying guideManufacturer datasheet
Arista family datasheet
Related Arista parts
SFP-1G-SX1000BASE-SX, 550 m MMFSFP-1G-LX1000BASE-LX, 10 km SMFSFP-1G-T100/1000BASE-T, 100 m copperSFP-10G-RA-1G-SX1000BASE-SX, 550 m MMFSFP-10G-RA-1G-LX1000BASE-LX, 10 km SMFGovernment, PSU and enterprise orders welcome. GST invoice and pan-India delivery.
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