First Serial/Ethernet Device Server with Advanced Ring Redundancy at the Device Level
Device level communication networks for industrial automation are very critical since they are used to control and monitor device processes. A significant part of this type of communication depends on ring redundancy at the device level, which is designed to provide fast network fault detection and reconfiguration in order to support the most demanding control applications.
The NPort® S8000 series is designed to connect both serial and Ethernet devices. More importantly, ring redundancy is made possible through standard STP/RSTP or Moxa’s proprietary Turbo Ring / Turbo Ring 2 redundancy function to achieve the highest possible network reliability.
Simplify Industrial Network Connectivity
The NPort® S8000 is an integrated full function device server and industrial switch that can connect to both serial and Ethernet devices at the same time. The NPort® S8000 series can dramatically reduce engineers' development and maintenance effort, and reduce the amount of wiring that your device network needs. 
Complete Serial Device Server Functions
The NPort® S8000 supports the complete array of NPort® 5000 series device server functions, and allows you to network your existing serial devices by connecting up to 4 serial devices, with only basic configuration. Data from any of the serial devices can be transmitted through any of the 5 Ethernet ports, and data transmission between the serial and Ethernet interfaces is bidirectional.
Full-function Managed Ethernet Switch
The NPort® S8000 has a built-in full-function managed Ethernet switch that supports QoS, IGMP-snooping/GMRP, VLAN, Port Trunking, SNMPv1/v2c/v3, and IEEE 802.1X, allowing you to handle virtually any kind of application. Ethernet redundancy, which is used to increase the reliability and availability of your industrial Ethernet network, is provided by Moxa's own Turbo Ring® technology (recovery time < 20 ms) or RSTP/STP (IEEE 802.1w/D).
Couple Several Turbo Rings for Distributed Applications
It may be inconvenient to use one large ring for redundancy if your network devices are remote and spread out. The
NPort® S8000's
"Ring Coupling" feature solves this problem by connecting distributed devices into smaller, more manageable Turbo Rings that can still communicate with each other without a control line.
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