MOXA NPort S8455I Serial to Ethernet Device Server
- Model: NPort S8455I
MOXA NPort S8455I INTRODUCTION
The NPort S8455I serial to Ethernet device server is a
specialized solution within the Moxa NPort S8000 Series, engineered to provide
elite industrial edge connectivity by functioning as both a high-performance
serial device server and a managed Ethernet switch. As a premier combo device server, it is indispensable in oil and gas and factory automation because it
eliminates the need for separate components, significantly reducing power
consumption, installation space, and overall hardware costs. This model is
built for the rigors of the field, featuring five 10/100BaseT(X) ports via RJ45
connectors, a standard 0 to 60°C operating temperature range, and a flexible
12-48 VDC input voltage. For engineers tasked with maintaining uptime in
mission-critical environments, the Moxa NPort S8455I offers a level of
reliability and streamlined communication that few other devices can match. Its
integration of serial-to-Ethernet conversion with switching capabilities makes
it the most efficient choice for modernizing legacy systems. Detailed
performance metrics and wiring diagrams are available in the Moxa NPort S8455I datasheet for those ready to upgrade their infrastructure.
As an Authorized Distributor of MOXA, Manufacturers Automation Inc. (ManuAuto) offers a wide variety of Industrial Automation and Communication products across North America, including Canada (Ontario, Toronto) and the US. Buy MOXA NPort S8455I Serial to Ethernet Device Server online at a competitive price, with on-time delivery and fast shipping services. Our certified engineers are always available to support you.
You can also find the NPort S8455I-SS-SC-T, NPort S8455I-MM-SC-T, and NPort S8455I-MM-SC models in the MOXA NPort S8000 Series.
MOXA NPort S8455I CERTIFICATIONS
Beyond its functional versatility, the NPort S8455I is
defined by its ruggedized build and extensive industry compliance, ensuring it
thrives where standard commercial hardware would fail. This device is fully
certified for Class I Division 2 Hazardous Locations, making it safe for
volatile environments where explosive gases or vapors may be present. To
guarantee stability under physical and electrical stress, it complies with
rigorous standards for EMS, EMI, and EMC, as well as international safety, shock,
and vibration specifications. These certifications prove that the NPort S8455I device server is not just a connectivity tool, but a fortified gateway designed
to protect your data integrity against electromagnetic interference and
mechanical instability. Investing in this level of certified protection ensures
that your operation remains compliant and operational, regardless of the harsh
conditions on the factory floor or at the remote wellhead.

| Serial-to-Ethernet : Interface | |
| 10/100Mb RJ45 (Megabit) Ports | Yes : 5 Ports |
| 100BaseFX Ports | No |
| Digital Input Channels | Yes : 2 x Channels (+13 to +30 V for state 1, -30 to +1 V for state 0, Max. input current: 8 mA) |
| Digital Output Channels | No |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| Alarm Contact Channels | Yes : 2 x Channels (Resistive load: 1 A @ 24 VDC) |
| Protocols | RSTP, Turbo Chain, Turbo Ring v1, Turbo Ring v2 |
| Serial-to-Ethernet : Serial Interface | |
| Number of Ports | 4 Ports |
| Serial Standards | RS-232/422/485 |
| Connector | DB9 male |
| Console Port | Yes : RS-232 (TxD, RxD, GND), 8-pin RJ45 (19200, n, 8, 1) |
| 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 |
| Isolation | Yes : 2 KV |
| 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 : Communication details | |
| Wireless Standards | No |
| Maximum data transfer speed | No |
| Maximum direct range | No |
| Serial-to-Ethernet : Power Requirements | |
| Connection | 2 removable 6-contact terminal block(s) |
| Input Voltage | 12 to 48 VDC |
| Input Current | 935 mA @ 12 VDC |
| Serial-to-Ethernet : General | |
| Management | BOOTP, Device Search Utility (DSU), DHCP Client, DHCP Option 82, HTTP, IPv4, LLDP, Port Mirror, RMON, SMTP, SNMPv1/v2c/v3, Syslog, TCP/IP, Telnet, Web Console |
| MTBF | 287,354 hrs |
| Compatible operating systems | Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1/10 (x86/x64), Windows 2008 R2/2012/2012 R2/2016/2019 (x64), Windows Embedded CE 5.0/6.0, Windows XP Embedded |
| Fixed TTY Drivers | SCO UNIX, SCO OpenServer, UnixWare 7, QNX 4.25, QNX 6, Solaris 10, FreeBSD, AIX 5.x, HP-UX 11i, Mac OS X, macOS 10.12, macOS 10.13, macOS 10.14, macOS 10.15 |
| Linux Real TTY Drivers | Kernel versions: 2.4.x, 2.6.x, 3.x, 4.x, and 5.x |
| Automatic Reboot Trigger | Built-in WDT (watchdog timer) |
| Serial-to-Ethernet : Security | |
| Authentication | Local Account Accessibility, RADIUS |
| Security | HTTPS, SSL, SSH |
| Encryption | No |
| Serial-to-Ethernet : Features and capabilities | |
| Display | No |
| Serial-to-Ethernet : Physical Characteristics | |
| Dimensions | 73.1 x 134 x 125 mm (2.88 x 5.27 x 4.92 in) |
| Standards and Certifications | EMC: EN 55032/24; EMI: CISPR 32, 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: Signal: 1 kV, IEC 61000-4-5 Surge: Power: 1 kV; Signal: 0.25 kV, IEC 61000-4-6 CS: 150 kHz to 80 MHz: 10 V/m; Signal: 10 V/m, IEC 61000-4-8 PFMF; Environmental Testing: IEC 60068-2-1, IEC 60068-2-3; Hazardous Locations: Class I Division 2; Safety: EN 60950-1, IEC 60950-1, UL 508, UL 60950-1; Shock: IEC 60068-2-27; Vibration: IEC 60068-2-6; Telcordia (Bellcore) Standard TR/SR |
| Installation | DIN-rail mounting, Wall mounting (with optional kit) |
| Housing | Metal |
| Operating Temperature | 0 to 60°C (32 to 140°F) |
| Storage Temperature | -40 to 75°C (-40 to 167°F) |
| Operation Humidity | 5 to 95% (non-condensing) |
| Weight | 578 g (1.27 lb) |