Dahua CHS4412-8GT-125 Industrial Managed Switch, 12-Port (8x Gigabit RJ45 + 4x SFP), Dual DC Power, DIN-Rail

The Dahua CHS4412-8GT-125 is a rugged industrial managed switch designed for harsh environments, offering 8 Gigabit Ethernet ports and 4 Gigabit SFP fiber ports. With a switching capacity of 24 Gbps and support for Layer 2 management features, it ensures reliable and secure network connectivity for industrial automation, surveillance, and transportation applications.

Advantages

Built to withstand extreme temperatures from -40°C to +75°C, the CHS4412-8GT-125 provides dual redundant DC power input (12-58V) for maximum uptime. Its DIN-rail and wall mount flexibility, combined with advanced redundancy protocols like ERPS and STP, guarantee network resilience. The switch also features robust ESD and surge protection, making it ideal for demanding industrial settings.

Suitable for

• Industrial automation and control networks
• IP surveillance systems in outdoor or factory environments
• Transportation infrastructure (rail, traffic, tunnels)
• Smart grid and utility networks
• Any mission-critical application requiring high reliability

Key specifications

• Ports: 8 x 10/100/1000Base-T (RJ45) + 4 x 100/1000Base-X SFP
• Switching Capacity: 24 Gbps
• Packet Forwarding Rate: 17.856 Mpps
• MAC Address Table: 8K
• Jumbo Frame Support: 9K bytes
• Management: Layer 2 Managed (Web GUI, CLI, SNMP)
• Power Input: Dual Redundant DC 12-58V
• Operating Temperature: -40°C to +75°C
• Mounting: DIN-Rail, Wall Mount
• Redundancy: G.8032 ERPS, STP/RSTP/MSTP
• QoS: 8 priority queues, SP/WRR/SP+WRR
• VLAN: Port-based, Tag-based, Protocol-based
• ESD Protection: ±8kV Contact, ±15kV Air
• Surge Protection: 6kV Common Mode, 2kV Differential Mode

Recommendations

For optimal performance, use high-quality SFP modules and ensure proper grounding. The switch supports dual DC power supplies; connect both for redundancy. Configure VLANs and QoS to prioritize critical traffic. For outdoor installations, use appropriate enclosures to protect against direct exposure.