MOXA NPort S8000 Series

SPHINX in Europe »  ch es de it at dk fr nl be  «
Phone: +49 (0) 6201 75437 |  Legal Notice |  Contact |  German version

You are here » MOXA NPort S8000 Series «

MOXA NPort S8000 Series


Combo switch / serial device server



The NPort S8455/S8458 series combines an industrial device server with a full-function managed Ethernet switch by integrating a combination of fiber and Ethernet ports with 4 RS-232/422/485 serial ports, allowing you to easily install, manage, and maintain the product. Combining a device server and switch in one product allows you to save space in your cabinet, reduce overall power consumption, and reduce costs, since you will not need to purchase a switch and serial device server separately.

Supports the Full Range of NPort 5000 Series Device Server Functions

The NPort S8455/S8458 series supports the complete array of NPort 5000 series device server functions. You can network your existing serial devices by connecting up to 4 serial devices through Ethernet ports, with only basic configuration required. In addition, data transmission between the serial and Ethernet interfaces is bi-directional.

Full-function Managed Ethernet Switch

The NPort S8455/S8458 series 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 you to handle virtually any kind of application. Ethernet redundancy, which is used to increase the reliability and availability of your industrial Ethernet network, is provided by Moxa’s Turbo Ring and Turbo Chain technology (recovery time < 20 ms) or RSTP/STP (IEEE 802.1w/D).

Ring Redundancy at the Device Level

Device level communication networks for industrial automation are very critical since they are used to control and monitor device processes. The reliability of these communications depends on ring redundancy at the device level. which is designed to provide fast network fault detection and reconfiguration in order to support the most demanding control applications. The NPort S8455/S8458 series integrates a full function NPort device server with an industrial switch to carry serial and Ethernet devices at the same time. In addition, the NPort S8455/S8458 can also achieve ring redundancy with standard STP/RSTP and Moxa’s proprietary Turbo Ring or Turbo Chain 2 redundancy protocols. This all-in-one design can be used to optimize and simplify your device network, and enhance reliability.


Further Information

General Specifications

Port Summary

Serial Ports
4 RS-232/422/485 ports

Ethernet Switch Ports
NPort S8455I: 3 RJ45 copper ports and 2 fiber ports
NPort S8458: 4 RJ45 copper ports and 4 fiber ports

Console Ports
1 (8-pin RJ45 connector)

Physical Characteristics


NPort S8455I: 592 g
NPort S8458: 1174 g

NPort S8455I: 73.1 x 134 x 125 mm (2.88 x 5.27 x 4.92 in)
NPort S8458: 93 x 144 x 125 mm (3.66 x 5.64 x 4.92 in)

Environmental Limits

Operating Temperature
Standard Models: 0 to 60°C (32 to 140°F)
Wide Temp. Models:
NPort S8455I-T: -40 to 75° C (-40 to 167° F)
NPort S8458-T: -40 to 85° C (-40 to 185° F)

Storage Temperature
-40 to 75°C (-40 to 167°F)

Ambient Relative Humidity
5 to 95% (non-condensing)

Up to 2000 m

Note Please contact us if you require products guaranteed to function properly at higher altitudes.

Power Requirements

Input Voltage
12 to 48 VDC

Power Consumption
NPort S8455I: 935 mA @ 12 V, 470 mA @ 24 V
NPort S8458: 940 mA @ 12 V, 470 mA @ 24 V

Standards and Certifications

UL 508, UL 60950-1, EN 60950-1


EN 55022 Class A, FCC Part 15 Subpart B Class A

EN 55024,
IEC 61000-4-2 (ESD) Level 4,
IEC 61000-4-4 (EFT) Level 4,
IEC 61000-4-5 (Surge)

Device Server Specifications

Serial Interface

Number of Ports

Serial Standards

DB9 male

Serial Line Protection
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 Communication Parameters

Data Bits
5, 6, 7, 8

Stop Bits
1, 1.5, 2

None, Even, Odd, Space, Mark

Flow Control

50 bps to 921.6 Kbps

Serial Signals


Tx+, Tx-, Rx+, Rx-, GND

Tx+, Tx-, Rx+, Rx-, GND

Data+, Data-, GND


Configuration Options
Web Console, Telnet Console, Serial Console, Windows Search Utility

Windows Real COM Drivers
Windows 95/98/ME/NT/2000, Windows XP/2003/Vista/2008/7/8/8.1 (x86/x64), Windows 2008 R2/2012/2012 R2 (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

Linux Real TTY Drivers
Linux 2.4.x, 2.6.x, 3.x

Operation Modes
Real COM, TCP Server, TCP Client, UDP, RFC2217



Alert Tools
Built-in buzzer and RTC (real-time clock)

Automatic Reboot Trigger
Built-in WDT (watchdog timer)

MTBF (mean time between failures)
NPort S8455I: 200,951 hrs
NPort S8458: 163,624 hrs

Ethernet Switch Specifications

Ethernet Interface

IEEE 802.3 for 10BaseT
IEEE 802.3u for 100BaseT(X) and 100Base FX
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 Authen

Network Protocols
ICMP, IPv4, TCP, UDP, ARP, Telnet, DNS, HTTP, SMTP, SNTP, IGMPv1/v2 device, GVRP, SNMPv1/v2c/v3, DHCP Server/Client, DHCP Option 82, BootP, TFTP, SNTP, SMTP, RARP, GMRP, LACP, RMON

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

Switch Properties

Priority Queues

Max. Number of Available VLANs

VID 1 to 4094

IGMP Groups

Optical Fiber Interface

Multi-mode Single-mode
Wavelength 1300 nm 1310 nm
Max. TX -10 dBm 0 dBm
Min. TX -20 sBm -5 dBm
RX Sensitivity -32 dBm -34 dBm
Link Budget 12 dB 29 dB
Typical Distance 5 km (a)
4 km (b)
40 km (c)
Saturation -6 dBm -3 dBm

(a) 50/125 μm, 800 MHz*km fiber optic cable
(b) 62.5/125 μm 500 MHz*km fiber optic cable
(c) 9/125 μm dingle-mode fiber optic cable

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 current carrying capacity of 1A @ 24 VDC

Ordering Information

Available Modules
NPort S8455I-MM-SC 4 RS-232/422/485 ports, 3 10/100M Ethernet ports,
2 100M multi-mode fiber ports with SC connector, 15 KV ESD, 12-48 VDC, 0 to 60°C
NPort S8455I-MM-SC-T 4 RS-232/422/485 ports, 3 10/100M Ethernet ports,
2 100M multi-mode fiber ports with SC connector, 15 KV ESD, 12-48 VDC, -40 to 75°C
NPort S8455I-SS-SC 4 RS-232/422/485 ports, 3 10/100M Ethernet ports,
2 100M single-mode fiber ports with SC connector, 15 KV ESD, 12-48 VDC, 0 to 60°C
NPort S8455I-SS-SC-T 4 RS-232/422/485 ports, 3 10/100M Ethernet ports,
2 100M single-mode fiber ports with SC connector, 15 KV ESD, 12-48 VDC, -40 to 75°C
NPort S8458-4S-SC-T 4 RS-232/422/485 ports, 4 10/100M Ethernet ports,
4 100M single-mode fiber ports with SC connector, 12-48 VDC, -40 to 85°C operating temperature


PDF description MOXA NPort S8000 Series Datasheet (2034.2 kB)

Copyright © 2013 SPHINX Computer Vertriebs GmbH

Up TermsPrivacy PolicyContactCookie DirectiveLocationsAbout us