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Gigabit Single Mode Single Fiber BiDi SFP Optical Module SC Connector 1.25G Fiber Transceiver
The Gigabit Single Mode Single Fiber BiDi SFP Optical Module with SC Connector is designed for reliable Gigabit Ethernet transmission over a single optical fiber. Using 1310nm TX /1550nm RX or 1550nm TX /1310nm RX wavelength technology, it enables bidirectional communication through one fiber strand, reducing fiber deployment costs while maximizing network efficiency.
Available in transmission distances of 3km, 5km, 10km, 20km, and 40km, the module complies with the SFP Multi-Source Agreement (MSA) and IEEE 802.3z Gigabit Ethernet standards. Equipped with a SC simplex optical connector, it is ideal for equipment requiring SC fiber interfaces, including industrial Ethernet switches, media converters, security monitoring systems, FTTH equipment, telecom networks, and enterprise LANs.
The module incorporates a premium DFB laser transmitter and high-sensitivity PIN photodiode receiver, ensuring low bit error rates, stable optical performance, and long service life. With Digital Diagnostic Monitoring (DDM/DOM) support, users can monitor operating temperature, supply voltage, transmit power, receive power, and laser bias current in real time.
Its hot-pluggable design allows easy installation without interrupting system operation, making it suitable for 24/7 industrial and commercial networking applications.
Product Features
- Supports 1.25Gbps Gigabit Ethernet
- Single Mode Single Fiber (BiDi/WDM) transmission
- SC Simplex optical connector
- Available transmission distances:
- 3km
- 5km
- 10km
- 20km
- 40km
- Wavelength pairing:
- TX 1310nm / RX 1550nm
- TX 1550nm / RX 1310nm
- One fiber for bidirectional communication
- DFB laser transmitter
- High-sensitivity PIN receiver
- Hot-pluggable SFP form factor
- Compliant with SFP MSA
- Supports Digital Diagnostic Monitoring (DDM/DOM)
- Low power consumption (<1W)
- Excellent EMI and ESD protection
- High optical stability and low BER
- Industrial temperature version optional (-40°C to +85°C)
- Compatible with most Gigabit Ethernet switches, media converters, routers, industrial switches, OLTs, and fiber networking equipment
- RoHS compliant
Technical Specifications
| Item | Specification |
| Product Type | Gigabit BiDi SFP Optical Module |
| Data Rate | 1.25Gbps |
| Fiber Type | 9/125μm Single Mode Fiber |
| Fiber Configuration | Single Fiber (BiDi) |
| Optical Connector | SC Simplex |
| Transmission Distance | 3km / 5km / 10km / 20km / 40km |
| TX Wavelength | 1310nm or 1550nm |
| RX Wavelength | 1550nm or 1310nm |
| Laser Type | DFB Laser |
| Receiver Type | PIN Photodiode |
| Optical Budget | 3km: ≥9dB5km: ≥11dB10km: ≥14dB20km: ≥18dB40km: ≥24dB |
| Interface | Hot-Pluggable SFP |
| Connector Type | SC Simplex |
| Digital Diagnostics | DDM / DOM Supported |
| Protocol Standard | IEEE 802.3z Gigabit Ethernet |
| Power Supply | 3.3V |
| Power Consumption | ≤1W |
| Bit Error Rate | <1×10⁻¹² |
| Operating Temperature | Commercial: 0°C ~ +70°C |
| Industrial Temperature (Optional) | -40°C ~ +85°C |
| Storage Temperature | -40°C ~ +85°C |
| Humidity | 5%–95% RH (Non-condensing) |
| Compliance | FCC, CE, RoHS |
| MSA Standard | SFP MSA Compliant |
| MTBF | >100,000 Hours |
Gigabit Single Mode SFP module
,Single Fiber BiDi transceiver
,SC connector fiber optic module
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