industrial network switch / Power over Ethernet / 20 ports / robust

The 4000 Series switches are built to withstand extreme environments while adhering to overall IT network design, compliance, and performance requirements. They deliver highly secure access and industry-leading convergence using Cisco Resilient Ethernet Protocol (REP), and support industrial protocols.

The series is ideal for industrial Ethernet vertical industries applications where hardened products are required. That includes:

Factory automation
Power utility substations
Intelligent transportation systems (ITS)
Oil and gas field sites
City surveillance programs
Mining
With improved overall performance, greater bandwidth, a more comprehensive feature set, and enhanced hardware, 4000 Series switches offer:

Superior bandwidth and capacity - 40 Gbps non-blocking switching capacity with up to 20 Gigabit Ethernet ports per switch
High-density, industrial Power over Ethernet (PoE) or PoE Plus support for in-line power to up to eight devices
Cisco IOS Software features for smooth IT integration and policy consistency
Robust resiliency and enhanced security
A simple, pay-as-you-go software upgrade path with a universal software image