The Cisco Catalyst 3750G-12S-SD (WS-C3750G-12S-SD) is a 1U stackable Layer 3 enterprise switch designed for Gigabit Ethernet fiber connectivity. It provides 12 SFP-based Gigabit Ethernet ports, a 32 Gbps switching fabric, and Cisco IP Base software. The “-SD” version is DC-powered, making it suitable for telecom and network environments requiring -48 VDC power.
Key Features:
- 12 × Gigabit Ethernet SFP ports
- 1000BASE-X fiber connectivity through SFP transceivers
- 32 Gbps switching fabric
- 17.8 Mpps forwarding rate
- Cisco StackWise technology
- Supports up to 9 switches in a stack
- 32 Gbps total stack bandwidth
- IP Base software feature set
- Layer 3 managed switch
- DC-powered version
- 1U rack-mountable chassis
- No integrated copper Ethernet ports
- No PoE
Technical Specifications:
- Manufacturer: Cisco
- Series: Catalyst 3750G
- Part Number: WS-C3750G-12S-SD
- Device Type: Managed Ethernet Switch
- Port Configuration: 12 × SFP-based Gigabit Ethernet
- SFP Speed: 1 Gbps
- Switching Fabric: 32 Gbps
- Forwarding Rate: 17.8 Mpps
- MAC Address Table: Up to 12,000 addresses
- Routes: Up to 20,000
- DRAM: 128 MB
- Stack Members: Up to 9
- Stack Bandwidth: 32 Gbps
- Software: IP Base (IPB)
- Power: DC only
- DC Input: -36 to -72 VDC, 3.0–1.5 A
- Maximum Rated Power: 72 W
- Operating Temperature: 0°C to 45°C
- Operating Humidity: 10–85%, non-condensing
- Operating Altitude: Up to 3,049 m / 10,000 ft
- Dimensions: 1.73 × 17.5 × 12.8 in (4.4 × 44.5 × 32.6 cm)
- Weight: Approx. 9–10 lb (4.1–4.6 kg)
90 DAY'S
