The Moxa NPort S8455I-T is a 4 RS-232/422/485 ports, 5 10/100BaseT(X) ports, 12 to 48 VDC, 2 kV isolation protection, -40 to 75°C operating temperature.
- 4-port RS-232/422/485 serial device server
- Serial QoS for configuring serial data transmission priority
- Built-in managed Ethernet switch
- S8455I fiber models: 2 fiber Ethernet ports and 3 Ethernet ports
- S8455I all-copper models: 5 Ethernet ports
- Ethernet redundancy with Turbo Ring and Turbo Chain (recovery time < 20 ms) or RSTP/STP (IEEE 802.1w/D) supported
- QoS, IGMP-snooping/GMRP, VLAN, LACP, SNMPv1/v2c/v3, RMON supported
- 2 kV isolation for serial signals (isolation models)
- Adjustable pull high/low resistor for RS-485 ports
- Surge protection for serial, Ethernet, and power

