Description
Data General DG-1G-RJ45 – 10/100/1000Mbps SGMII Copper SFP Transceiver
The DG-1G-RJ45 Copper SFP Transceiver is a cost-effective and high-performance networking module, compliant with IEEE 802.3 standards. It provides auto-negotiation for 10/100/1000Mbps speeds, making it ideal for various networking applications, including enterprise networks, data centers, and industrial Ethernet environments.
This small form-factor pluggable (SFP) module is designed to deliver gigabit Ethernet connectivity over up to 100 meters using standard Cat5 UTP cables. Featuring an SGMII interface, it is compatible with network switches, routers, and storage systems, ensuring easy integration into existing network infrastructures.
The SPT-PTT2-RS1-M operates efficiently within an extended temperature range (0°C to 75°C), providing robust reliability in various environmental conditions. Additionally, it features low power consumption (1.05W typical) and a fully metallic enclosure, reducing electromagnetic interference (EMI).
Technical Specifications:
General Features:
- Data Rate: 10/100/1000Mbps (Auto-Negotiation)
- Interface Type: SGMII
- Connector Type: RJ-45
- Hot-Pluggable: Yes
- Cable Type: Cat5 UTP (up to 100m reach)
- Power Supply: +3.3V single power supply
- Power Consumption: 1.05W (typical)
Performance & Compliance:
- Supported Standards: IEEE 802.3, IEEE 802.3ab
- Auto-Negotiation: Supported
- Automatic Crossover Detection: Yes
- Frame Size: Up to 9K jumbo frames
- EMI Shielding: Fully metallic enclosure for low EMI
Electrical Characteristics:
- Input Voltage: 3.13V – 3.47V
- Current Consumption: 320 – 375mA
- Max Voltage: 4V (not allowed for continuous operation)
- Surge Current: 30mA (hot-plugging above steady-state current)
Optical & Electrical Performance:
- Line Frequency: 125 MHz
- Tx Output Impedance: 100Ω differential
- Rx Input Impedance: 100Ω differential
- Input Data Swing: 250 – 1200mV
- Output Data Swing: 350 – 800mV
- Rise/Fall Time: 175 ps (20%-80%)
Mechanical & Environmental Specifications:
- Operating Temperature: 0°C to 75°C
- Storage Temperature: -40°C to 85°C
- Form Factor: SFP MSA Compliant
- Maximum Cable Length: 100 meters (Cat5 UTP)
Applications:
- Enterprise Networks
- Data Center Networking
- Switch-to-Switch & Router Interfaces
- Gigabit Ethernet over Copper
- Industrial Ethernet Deployments
The DG-1G-RJ45 Copper SFP Transceiver is an ideal choice for cost-effective, high-speed copper Ethernet networking, ensuring seamless connectivity in modern infrastructures.





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