The SGMII SFP series provides a flexible interface for systems using the Serial Gigabit Media Independent Interface (SGMII) standard.
Designed for both optical and copper Gigabit Ethernet applications, these transceivers support adaptive link negotiation between the host PHY (1000BASE‑X or 1000BASE‑T) and network media.
SGMII SFP modules enable automatic speed detection (10/100/1000 Mbps), low‑power operation, and seamless integration in access switches, routers, and industrial devices requiring 1 Gb adaptation.
Technical Specifications
- Interface Type: SGMII (Serial GMII per IEEE 802.3z)
- Supported Speeds: 10 / 100 / 1000 Mb/s auto‑negotiation
- Form Factor: Standard Hot‑Pluggable SFP
- Media Options: RJ‑45 (Copper 10/100/1000 BASE‑T) or Optical LC (SMF/MMF per 1000BASE‑X)
- Distance: Up to 100 m with Cat 5e cable (RJ‑45 type) • Up to 120 km (fiber versions)
- Wavelengths: 850 nm (MMF) • 1310 nm (SMF LX/LH) • 1550 nm (ZX)
- Power Consumption: ≤ 1.0 W typical
- Digital Diagnostics: DOM/ DDM via SFF‑8472
- EMC & Safety Standards: IEEE 802.3 • FCC Part 15 • IEC 60825‑1 • RoHS 6 compliant
Main Features
- Compliant with IEEE 802.3z 1000BASE‑X and SGMII interface specifications
- Supports auto‑negotiation for 10/100/1000 Mb/s line rates
- Choice of optical (SMF/MMF) or electrical (RJ‑45 CAT5e) interfaces
- Low latency and low power design for industrial and edge networks
- Hot‑pluggable SFP footprint compatible with Cisco®, Ubiquiti®, MikroTik®, Juniper® and others
- Auto MDI/MDI‑X crossover support on RJ‑45 models
- Automatic Polarity Correction and Link Diagnostics functions
- Extended temperature models ‑40 °C to +85 °C for rugged environments
Applications
- Gigabit Ethernet switches and routers requiring SGMII interface compatibility
- Media converters and network appliances bridging copper and fiber segments
- Enterprise LAN access and small‑cell base stations
- Industrial Ethernet controllers and IoT edge gateways
- FTTx access equipment with SGMII uplink ports
- Low‑power embedded systems using SGMII MAC PHY interfaces
Related Keywords: SGMII SFP, 1000BASE‑T SGMII SFP, SGMII RJ‑45 Transceiver, SGMII Optical SFP Module, 10/100/1000 Mb Adaptive SFP, SGMII Ethernet Module, MEFiber SGMII SFP.
FAQ – SGMII SFP Modules
1. What is an SGMII SFP module?
An SGMII SFP module is a Gigabit transceiver that interfaces to a Serial Gigabit Media Independent Interface (SGMII) PHY, allowing connection of copper or fiber links at 10/100/1000 Mb/s.
2. How does SGMII differ from 1000BASE‑X?
1000BASE‑X uses 8B/10B encoding and operates only at 1 Gbps, while SGMII adds in‑band auto‑negotiation and clock rate adaptation for 10/100/1000 Mb operation.
3. Can SGMII SFPs auto‑negotiate link speed?
Yes, SGMII SFP modules auto‑negotiate speed between host and link partner (up to 1000 Mbps), making them ideal for hybrid networks.
4. Are both copper and fiber versions available?
Yes. SGMII SFP modules come as RJ‑45 (10/100/1000BASE‑T with transformer) and as LC optical types for MMF/SMF networks up to 120 km.
5. Do SGMII SFPs require special drivers or firmware?
No; they use standard SGMII signaling and are compatible with most network devices supporting SGMII MAC PHY interfaces.
6. What is the power consumption of SGMII SFP modules?
Typical power usage is below 1 W for copper versions, and 0.8 W for optical models depending on wavelength and reach.
7. Are SGMII SFPs compatible with Cisco or Juniper switches?
Yes, MEFiber SGMII SFPs are built to be vendor‑neutral and operate with any standard‑compliant SGMII slot, including Cisco, HPE, Dell, and MikroTik.
8. Where are SGMII SFPs typically used?
They are widely used in access layers, industrial controllers, and media conversion systems that bridge Ethernet PHY to optical or RJ‑45 interfaces.