The 1000BASE SFP transceiver modules deliver standardized 1.25 Gb/s Gigabit Ethernet connectivity for a wide range of networking equipment including switches, routers, and media converters.
Each module is fully compliant with IEEE 802.3z and 802.3ah standards and the SFP MSA (Small Form‑Factor Pluggable).
Variants cover short‑reach multimode (850 nm SX), long‑reach single‑mode (1310 nm LX/LH), and extended‑reach 1550 nm ZX types up to 120 km, with additional BiDi and Copper (RJ‑45) options.
Technical Specifications
- Data Rate: 1.25 Gbps (Gigabit Ethernet / 1G Fibre Channel)
- Wavelength Options: 850 nm (SX) · 1310 nm (LX/LH) · 1550 nm (ZX)
- Transmission Distance: 550 m MMF to 120 km SMF (depending on model)
- Connector Type: LC Duplex / Simplex (BiDi models)
- Optical Components: VCSEL / FP / DFB Transmitter + PIN or APD Receiver
- Power Consumption: ≤ 1.0 W
- DDM/DOM: Digital Diagnostics Monitoring per SFF‑8472 (optional)
- Compliance: IEEE 802.3z · 802.3ah · SFP MSA · RoHS 6 · FC‑PI 1 GFC
Main Features
- Hot‑pluggable 1 Gigabit SFP form factor for SMF/MMF fiber systems
- Available in SX (850 nm), LX/LH (1310 nm), ZX (1550 nm), BX (BiDi) and T (copper RJ‑45)
- Extended link distances up to 120 km with ZX DFB optics
- Low power consumption ≤ 1 W for high‑density network applications
- Compliant with SFP MSA and hot‑swappable mechanical design
- Supports DDM/DOM for real‑time optical performance monitoring
- Wide platform interoperability with major OEM switches and routers
- Optional industrial‑temperature range −40 °C to +85 °C
Applications
- Gigabit Ethernet backbone and access networks
- Enterprise and data center edge connectivity
- Telecom/MSAN uplinks for FTTx and Metro Ethernet networks
- Industrial and utility network expansion
- Storage Area Network (1G FC) links
Related Keywords: 1000BASE SFP, 1G SFP transceiver, Gigabit Ethernet SFP, SX LX ZX SFP, BiDi SFP 1.25 Gbps, MEFiber 1000BASE‑LX SFP module.
FAQ – 1000BASE SFP Gigabit Modules
1. What is a 1000BASE SFP transceiver?
It is a hot‑pluggable optical module for 1.25 Gb/s Gigabit Ethernet and Fibre Channel applications over fiber or copper media.
2. What standards define 1000BASE SFPs?
They are defined by IEEE 802.3z (1000BASE‑X), IEEE 802.3ah (for PON), and the SFP MSA mechanical specification.
3. What are the common variants of 1G SFPs?
Variants include SX (850 nm, 550 m MMF), LX/LH (1310 nm, 10–20 km SMF), ZX (1550 nm, 40–120 km SMF), BX (BiDi, single fiber), and 1000BASE‑T (copper).
4. Are 1G SFPs backward compatible with 100 Mb/s ports?
No. Gigabit SFPs require 1 Gb/s‑capable ports; only some combo ports support 10/100/1000 auto‑negotiation with specific 1000BASE‑T modules.
5. What is the maximum transmission distance for 1G SFPs?
From 550 m (850 nm SX) to 120 km (1550 nm ZX) depending on optical power budget and fiber type.
6. Do 1G SFP modules support digital diagnostic monitoring?
Yes. SFPs equipped with DDM provide real‑time data for Tx/Rx power, voltage, temperature, and bias current.
7. Can 1000BASE SFPs operate with 1000BASE‑LX and ZX CWDM/DWDM links?
Yes. Standard 1G optics can coexist with CWDM/DWDM systems when paired with compatible multiplexers.
8. Where are 1G SFP modules mostly used today?
They remain the most widely deployed optical layer for enterprise LANs, Metro Ethernet access, and industrial telecom applications.