MOXA NPort S8455I-SS-SC-T Introduction
The Moxa NPort S8455I-SS-SC-T serial to Ethernet device server is an advanced and industrial-grade solution to bridge the gap between serial devices and Ethernet networks. This versatile Moxa Ethernet to serial converter combines the functionality of a serial device server and a managed Ethernet switch and offers connectivity in complex industrial applications. The NPort S8455I-SS-SC-T has been created for environments requiring robust performance. This serial converter features cutting-edge technology, supports serial-to-Ethernet conversion, and enables Ethernet redundancy to ensure uninterrupted communication in mission-critical operations. Additionally, the Moxa NPort S8455I-SS-SC-T serial converter integrates advanced surge protection and dual power inputs to enhance reliability. This combo switch ensures high performance, durability, and ease of use.
Robust Serial and Ethernet Connectivity
This Moxa NPort has 4 x RS-232/422/485 serial ports
with DB9 male connectors to accommodate multiple serial standards, including
RS-232/422/485 serial communication. This versatility allows integration with
legacy serial devices and enables real-time data communication.
The Moxa
NPort S8455I-SS-SC-T combo device server supports high-speed Ethernet
connectivity with 3 x 10/100Base Ethernet T(X) ports (RJ45 connectors) and 2 x
100Base Ethernet FX ports with single-mode SC connectors. Its advanced Ethernet
redundancy features, such as Turbo Ring and Turbo Chain, ensure continuous
communication even in network failure scenarios in demanding environments.
Industrial-Grade Design for Harsh Conditions
The NPort
S8455I-SS-SC-T serial device server features a durable metal housing to
provide optimal protection in industrial automation. Its wide temperature
tolerance, ranging from -40 to 75°C, ensures reliable performance in extreme
climates. The Moxa combo device servers come
with enhanced surge protection for serial, Ethernet, and power connections and safeguard
devices against voltage spikes. The device supports both DIN-rail mounting and
wall mounting (optional) installation, offers flexible installation options, and
caters to diverse deployment needs in industries like Oil and Gas and Factory automation.
Efficient Power Management and Reliability
The Moxa
NPort S8455I-SS-SC-T converter’s dual power inputs (12-48 VDC), ensure
uninterrupted operation even during power source failures. This redundancy is
crucial for maintaining uptime in critical systems. This Moxa serial device server also supports the Moxa communication port for
easy device management and provides users with a hassle-free configuration
experience. Its integration into the Moxa NPort S8000
series highlights its compatibility and scalability for expanding
industrial networks.
MOXA NPort S8455I-SS-SC-T Certifications
The Moxa NPort S8455I-SS-SC-T serial to Ethernet converter meets rigorous industrial standards to ensure safe and reliable operation in diverse environments. It holds certifications such as UL, CE, and FCC and attests to its safety and electromagnetic compatibility. The Moxa NPort S8455I SS SC T is also compliant with EX standards for use in hazardous locations classified as Class I Division 2. Its superior resistance to EMI, EMS, and EMC interference ensures robust communication even in electrically noisy environments. Moreover, it meets stringent industrial safety standards for shock and vibration to guarantee durability in mobile or high-impact settings. The Moxa NPort S8455I-SS-SC-T datasheet provides a comprehensive overview of its compliance with these certifications and showcases its ability to operate reliably in critical applications. This extensive list of features and certifications solidifies the Moxa NPort S8455I-SS-SC-T as a top-tier solution for industrial connectivity. Whether used in harsh environments or applications demanding high reliability, it is an indispensable component of modern industrial edge connectivity.

MOXA NPort S8455I-SS-SC-T Features
- Serial device server with managed Ethernet switch
- 3 x 10/100Mbps T(x) ports, 4 x RS-232/422/485 Serial ports, 2 x 100Mbps F(x) single-mode Ports with SC connector
- 12 to 48 VDC dual power inputs
- Metal body
- -40 to 75°C operating temperature
- Surge protection for serial, Ethernet, and power
Easy World Automation offers a wide variety of industrial devices in the Middle East (UAE (Dubai, Abu Dhabi), KSA (Al Khobar, Riyadh), Kuwait, Qatar, and Oman), such as the MOXA NPort S8455I-SS-SC-T Serial To Ethernet Device Server. You can buy online at the lowest price and enjoy the benefits of a low-cost and on-time delivery service.
| serial-to-ethernet : Port Summary | |
| Serial Ports | 4 RS-232/422/485 ports |
| Ethernet Switch Ports | NPort S8455I all copper: 5 RJ45 copper ports, NPort S8455I fiber: 3 RJ45 copper ports and 2 fiber ports |
| Console Ports | Dedicated RS-232 console port (8-pin RJ45) |
| serial-to-ethernet : Serial Interface | |
| Number of Ports | 4 |
| Serial Standards | RS-232/422/485 |
| Connector | DB9 male |
| Serial Line Protection | 2 kV isolation protection (NPort S8455I only) |
| RS-485 Data Direction Control | ADDC® (Automatic Data Direction Control) |
| Pull High/Low Resistor for RS-485 | 1 kΩ, 150 kΩ |
| Terminator for RS-485 | 120 Ω |
| serial-to-ethernet : General | |
| MTBF | NPort S8455I Single-mode: 286,993 hrs, NPort S8455I Multi-mode: 200, 951 hrs, NPort S8455I All copper: 287,354 hrs, NPort S8458: 163,624 hrs |
| Alert Tools | Built-in buzzer and RTC (real-time clock) |
| Automatic Reboot Trigger | Built-in WDT (watchdog timer) |
| serial-to-ethernet : Serial Communication Parameters | |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | Even, Odd, Space, Mark, None |
| Flow Control | RTS/CTS and XON/XOFF |
| Baudrate | 50 bps to 921.6 Kbps |
| serial-to-ethernet : Power Requirements | |
| Input Voltage | 12 to 48 VDC |
| Input Current | 935 mA @ 12 VDC |
| serial-to-ethernet : Serial Signals | |
| RS-232 | TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND |
| RS-422 | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-2w | Data+, Data-, GND |
| serial-to-ethernet : Ethernet Interface | |
| Standards | IEEE 802.3 for 10BaseT, IEEE 802.3u for 100BaseT(X) and 100BaseFX, IEEE 802.3x for Flow Control, IEEE 802.1D for Spanning Tree Protocol, IEEE 802.1w for Rapid STP, IEEE 802.1Q for VLAN Tagging, IEEE 802.1p for Class of Service, IEEE 802.1x for Authenti |
| Network Protocols | ICMP, IPv4, TCP, UDP, ARP, Telnet, DNS, HTTP, SMTP, SNTP, IGMPv1/v2, GVRP, SNMPv1/v2c/v3, DHCP Server/Client, DHCP Option 82, BootP, TFTP, SNTP, SMTP, RARP, GMRP, LACP, RMON |
| MIB | MIB-II, Ethernet-Like MIB, P-BRIDGE MIB, Q-BRIDGE MIB, Bridge MIB, RSTP MIB, RMON MIB Group 1, 2, 3, 9 |
| Flow Control | IEEE 802.3x flow control, back pressure flow control interface |
| serial-to-ethernet : Switch Interface | |
| RJ45 Ports | 10/100BaseT(X) auto negotiation speed, F/H duplex mode, and auto MDI/MDI-X connection |
| DIP Switches | Turbo Ring, Master, Coupler, Reserve |
| Alarm Contact | 2 relay outputs with the current carrying capacity of 1A @ 24 VDC |
| serial-to-ethernet : Physical Characteristics | |
| Dimensions | 73.1 x 134 x 125 mm (2.88 x 5.27 x 4.92 in) |
| Safety | UL 508, UL 60950-1 |
| EMC | EN 55022/24 |
| EMI | CISPR 22, FCC Part 15B Class A |
| EMS | IEC 61000-4-2 ESD: Contact: 6 kV; Air: 8 kV, IEC 61000-4-3 RS: 80 MHz to 1 GHz: 10 V/m, IEC 61000-4-4 EFT: Power: 2 kV; Signal: 1 kV, IEC 61000-4-5 Surge: Power 1 kV (4 kV for all copper models); Signal: 0.25 kV, IEC 61000-4-6 CS: 150 kHz to |
| Housing | Metal |
| Operating Temperature | -40 to 75°C (-40 to 167°F) |
| Storage Temperature | -40 to 75°C (-40 to 167°F) |
| Operation Humidity | 5 to 95% (non-condensing) |
| Weight | 578 g (1.27 lb) |
| Hazardous Location | UL/cUL Class I Division 2 Groups A/B/C/D |
