





MOXA NPort S8455I-MM-SC Introduction
High-Performance Serial and Ethernet Connectivity
Durable and Space-Saving Industrial Design
MOXA NPort S8455I-MM-SC Certifications
The Moxa NPort S8455I-MM-SC meets strict industrial standards to ensure safe and reliable operation in harsh environments. This Moxa serial device server is certified for EMC, EMI, and EMS compliance, which makes this Moxa NPort resilient to electromagnetic interference. The Moxa serial converter also meets vibration and shock resistance standards to bring forth long-term durability in high-motion industrial applications. Additionally, this Moxa communication port is certified for Hazardous Locations Class I Division 2, which makes it suitable for deployment in oil and gas facilities, chemical plants, and other hazardous environments. As part of the NPort series, this Ethernet to serial converter is a versatile and rugged solution for industrial networking applications.
MOXA NPort S8455I-MM-SC 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) multi-mode Ports with SC connector
- 12 to 48 VDC dual power inputs
- Metal body
- 0 to 60°C operating temperature
- Surge protection for serial, Ethernet, and power
Please place your order for industrial automation products, including the MOXA NPort S8455I-MM-SC Serial To Ethernet Device Server at a reasonable price, and explore convenient options to buy online through our website or inquire at our Middle East branches (UAE (Dubai, Abu Dhabi), KSA (Al Khobar, Riyadh), Kuwait, Qatar, and Oman). Enjoy the ease of online shopping and transactions for all your industrial needs.
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 | 1 (8-pin RJ45 connector) |
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 |
Console Port | Dedicated RS-232 console port (8-pin RJ45) |
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 Authentic |
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 | 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) |
Hazardous Location | UL/cUL Class I Division 2 Groups A/B/C/D |
