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Cisco MFELX1 100BASE-LX10 SFP 1310nm 10 km
100 Mbps 100BASE-LX10 SFP transceiver, 1310 nm, up to 10 km, Ethernet. Genuine Cisco part for Cisco Business / Small Business switches.
- Manufacturer
- Cisco Systems
- Mfr part number
- MFELX1
- Series
- Small Business · 100M SFP
- Category
- Fiber optic transceiver modules
- Datasheet
- MFELX1 datasheet (PDF)
MFELX1 specifications
| Attribute | Value |
|---|---|
| Part Number | MFELX1 |
| Manufacturer | Cisco Systems |
| Brand | Cisco |
| Standard | 100BASE-LX10 |
| Form Factor | SFP, hot-swappable |
| Data Rate | 100 Mbps |
| Protocol | Ethernet |
| Wavelength | 1310 nm |
| Media | Single-mode fiber (OS2) |
| Max Distance | 10km |
| Connector | LC duplex |
| Lifecycle | In Cisco documents (availability on request) |
| Case Temp | Per Cisco datasheet |
| Dimensions | 8.5 × 13.4 × 56.5 mm |
| Compliance | IEEE 802.3 / Telcordia as applicable, SFF-8472 (SFP MSA) |
| Product line | Small Business |
| Cisco description | Cisco Small Business 100BASE-LX SFP |
| Part-number note | Listed in Cisco documents; current availability on request |
Values are from Cisco datasheets, Cisco end-of-sale bulletins, Cisco hardware guides and the Cisco Transceiver Module Group compatibility matrix (Nov 2026). Confirm your device model and software release with us before ordering.
About the Cisco MFELX1
The Cisco MFELX1 is a hot-swappable SFP 100BASE-LX10 optical transceiver for 100 Mbps Ethernet links over single-mode fiber, with an LC interface and reach of up to 10 km. Cisco description: Cisco Small Business 100BASE-LX SFP. Cisco IOS XE, NX-OS, IOS XR and ONS software read the Cisco coding at insertion, so a genuine module avoids 'unsupported transceiver' messages. Typical uses: Fast Ethernet fiber uplinks, legacy and industrial links on Cisco Business / Small Business switches.
- 100 Mbps 100BASE-LX10 up to 10 km
- Genuine Cisco part for Cisco Business / Small Business switches
- Cisco Small Business 100BASE-LX SFP
- LC connector · Single-mode fiber
- Genuine OEM part · GST invoice · pan-India dispatch
MFELX1: frequently asked questions
What is the Cisco MFELX1?
The MFELX1 is an SFP 100BASE-LX10 module for 100 Mbps Ethernet links. It is used for Fast Ethernet fiber uplinks, legacy and industrial links on Cisco Business / Small Business switches.
What is the maximum distance of the MFELX1?
Cisco documentation lists the MFELX1 for 10km.
Which fiber and connector does the MFELX1 need?
The MFELX1 uses an LC connector on single-mode fiber (OS2). Wavelength: 1310 nm. Both ends of the link must use the same optical standard.
Which Cisco devices support the MFELX1?
The MFELX1 is documented for Cisco Business / Small Business switches. Support depends on the exact chassis, line card and software release; send us your device model and release and we confirm it against Cisco's documentation before dispatch.
Is the MFELX1 still available?
The MFELX1 appears in Cisco documents but not in a current Cisco ordering table, so it is supplied from stock on request. Tell us the quantity and we confirm availability or suggest the current equivalent.
Is your MFELX1 genuine Cisco?
Yes. Next Gen Networks supplies original Cisco parts, not third-party lookalikes or grey-market stock. Every unit is checked before dispatch and we share serial numbers on request so you can verify them in 'show inventory' / the transceiver page. If you want a lower-cost Cisco-coded compatible module for non-critical links, ask us and we quote both options.
What is the MFELX1 price in India and how do I order?
The Cisco MFELX1 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.
Documents
NextGen datasheetPDF · specs, FAQ & buying guideDownload datasheet
Cisco_MFELX1_Datasheet_NextGenNetworks.pdf
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