Moxa NPort S8455I-MM-SC ethernet serial device server

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Moxa has released the NPort S8455I-MM-SC, which combines an ethernet switch and serial device server in a single solution with two fibre ethernet ports, three ethernet ports and four RS-232/422/485 serial ports. This design allows users to save cabinet space and reduce overall power consumption and costs since there is no need to purchase separate switches and serial device server products.

The NPort S8455I-MM-SC supports the complete array of NPort 5000 series device server functions. Users can network existing serial devices by connecting up to four serial devices through each of the five ethernet ports, with only basic configuration required. Data transmission between the serial and ethernet interfaces is bidirectional.

The NPort S8455I-MM-SC 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 users to handle many kinds of application. Ethernet redundancy, which is used to increase the reliability and availability of the industrial ethernet network, is provided by Moxa’s Turbo Ring technology (recovery time <20 ms) or RSTP/STP (IEEE 802.1w/d).

It may be inconvenient to use one large ring for redundancy if the network devices are remote and spread out. The NPort S8455I-MM-SC’s ring coupling feature is designed to solve this issue by connecting distributed devices into smaller, more manageable Turbo Rings that can still communicate with each other without a control line.