• Silver-colored Arista SFP-100M-FX 100BASE-FX multi-mode transceiver modules with blue handles and metallic connectors
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Arista

Arista SFP-100M-FX | 100BASE-FX Transceiver, Multi-Mode, 1310nm, 2km, LC

SFP-100M-FX

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Description

The Arista SFP-100M-FX is a 100BASE-FX SFP transceiver designed for Fast Ethernet connectivity over multi-mode fiber. Operating at 1310nm wavelength with a duplex LC connector, it supports transmission distances up to 2km over 50/125µm MMF. This hot-pluggable module features SGMII electrical interface with built-in PHY, Digital Diagnostic Monitoring support, and low power consumption, making it ideal for campus networks, legacy Fast Ethernet infrastructure, and enterprise deployments requiring reliable 100 Mbps fiber connectivity.

Features

IEEE 802.3 100BASE-FX compliant for industry-standard interoperability
- SGMII electrical interface with integrated PHY eliminates need for external PHY components
- Hot-pluggable SFP MSA form factor enables flexible, tool-free installation and removal
- Digital Diagnostic Monitoring (DDM/DOM) via SFF-8472 for real-time optical parameter visibility
- 1310nm FP laser transmitter paired with PIN photo-detector receiver for reliable optical performance
- Low power consumption with single +3.3V power supply for energy-efficient operation
- Class 1 laser certified (IEC-60825) ensuring safe operation
- RoHS compliant for environmentally responsible deployment
- Low EMI design with excellent ESD protection for reliable operation in enterprise environments
- Duplex LC connector for standard multi-mode fiber connectivity
- Compatible with 50/125µm multi-mode fiber for up to 2km transmission distance
- Commercial temperature range (0°C to 70°C) suitable for typical data center and campus deployments

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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Technical Specifications

FAQs

Technical Specifications

Data Rate: 100 Mbps (155 Mbps nominal)
- Connector Type: Duplex LC
- Wavelength: 1310nm
- Fiber Type: Multi-mode fiber (MMF) 50/125µm
- Maximum Distance: 2km
- Interface: SGMII with built-in PHY
- Transmit Power: -15 to -8 dBm
- Receiver Sensitivity: -32 dBm minimum
- Digital Diagnostic Monitoring: Supported (DDM/DOM per SFF-8472)
- Power Supply: Single +3.3V
- Power Consumption: <1.5W typical
- Operating Temperature: 0°C to 70°C (commercial grade)
- Form Factor: SFP MSA compliant
- Hot-Pluggable: Yes
- Standards Compliance: IEEE 802.3 100BASE-FX, SFP MSA, SFF-8472

FAQs

Q: What fiber type does the SFP-100M-FX support?
A: The SFP-100M-FX is designed for multi-mode fiber (MMF), specifically 50/125µm MMF, and supports transmission distances up to 2km using a duplex LC connector at 1310nm wavelength.

Q: Is this transceiver compatible with Arista switches?
A: Yes, the SFP-100M-FX is designed for Arista switches and routers with SFP ports. It features SGMII electrical interface with built-in PHY for seamless integration without requiring external PHY components. It is hot-pluggable and works in Fast Ethernet or dual-rate Fast/Gigabit Ethernet SFP ports.

Q: Does the SFP-100M-FX support diagnostic monitoring?
A: Yes, the transceiver supports Digital Diagnostic Monitoring (DDM/DOM) per SFF-8472 standard, allowing real-time monitoring of optical parameters including transmit power, receive power, temperature, laser bias current, and supply voltage.

Q: Can I mix this transceiver with other vendor optics?
A: Yes, the SFP-100M-FX is compliant with IEEE 802.3 100BASE-FX standard and is optically interoperable with other 100BASE-FX compliant interfaces on the same link, enabling interoperability with industry-standard equipment.

Q: What are the typical use cases for this transceiver?
A: The SFP-100M-FX is ideal for enterprise campus networks, legacy Fast Ethernet fiber infrastructure upgrades, distribution layer connectivity, and applications requiring 100 Mbps fiber links up to 2km. It is commonly used in environments transitioning from Fast Ethernet to Gigabit Ethernet or maintaining compatibility with existing 100BASE-FX installations.

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