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Brand: MOXA
Moxa NPort S9450I-HV-T 4-Port Rugged Serial Device Server
Description
How the NPort S9450I-HV-T puts serial devices on Ethernet
NPort S9450I-HV-T is listed by Moxa as: 4-port RS-232/422/485 rugged device server, 5 10/100BaseT(X) ports, 88 to 300 VDC or 85 to 264 VAC, -40 to 85°C operating temperature. A rugged four-port serial device server for substations, with five 10/100 Ethernet ports, Turbo Ring redundancy, 2 kV serial isolation, 4 kV surge protection and a -40 to 85 degrees C range.
From the manufacturer’s specification table, the power input is 110/220 VAC/VDC (110 to 220 VAC, 110 to 220 VDC); operating temperature is -40 to 85°C (-40 to 185°F); dimensions are 80 x 160 x 109 mm (3.15 x 6.30 x 4.29 in); weight is Product Only: 2.54 kg (5.60 lb).
Standards and approvals printed for this model include hazardous-location listings of UL/cUL Class I Division 2 Groups A/B/C/D; safety standard EN 61010-2-201; UL 61010-2-201. Approvals can differ between variants of a series, so check the one on the exact order code.
Technical specifications
| Parameter | Specification |
|---|---|
| Digital Input Channels | 2 |
| 10/100BaseT(X) Ports (RJ45 connector) | 5 |
| Magnetic Isolation Protection | 1.5 kV (built-in) |
| IGMP Groups | 256 |
| Max. No. of VLANs | 64 |
| Priority Queues | 4 |
| VLAN ID Range | VID 1 to 4094 |
| Filter | GMRP; GVRP; IGMP v1/v2 |
| Time Management | NTP Server/Client; SNTP |
| Connector | DB9 male |
| No. of Ports | 4 |
| Serial Standards | RS-232; RS-422; RS-485 |
| Data Bits | 5, 6, 7, 8 |
| Stop Bits | 1, 1.5, 2 |
| Parity | None, Even, Odd, Space, Mark |
| Flow Control | None; RTS/CTS; XON/XOFF |
| Isolation | 2 kV |
| Surge | 4 kV |
| Pull High/Low Resistor for RS-485 | 1 kilo-ohm, 150 kilo-ohms |
| Terminator for RS-485 | 120 ohms |
| RS-422 | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-4w | Tx+, Tx-, Rx+, Rx-, GND |
| RS-485-2w | Data+, Data-, GND |
| Max. No. of Client Connections | 32 |
| Max. No. of Server Connections | 16 |
| Max. No. of Master Connections | 16 |
| Max. No. of Outstation Connections | 32 |
| No. of Power Inputs | 2 |
| Reverse Polarity Protection | Supported |
| Input Current | 80 mA @ 110 VDC |
| Housing | Metal |
| Operating Temperature | -40 to 85°C (-40 to 185°F) |
| Storage Temperature (package included) | -40 to 85°C (-40 to 185°F) |
| Ambient Relative Humidity | 5 to 95% (non-condensing) |
| EMC | EN 61000-6-2/-6-4 |
| EMI | CISPR 32, FCC Part 15B Class A |
| Environmental Testing | IEC 60068-2-2; IEC 60068-2-14 |
| Power Substation | IEC 61850-3; IEEE 1613 |
| Hazardous Locations | UL/cUL Class I Division 2 Groups A/B/C/D |
| Safety | EN 61010-2-201; UL 61010-2-201 |
| Shock | IEC 60068-2-27 |
| Vibration | IEC 60068-2-6; IEC 60068-2-64 |
| Green Product | RoHS, CRoHS, WEEE |
| Warranty Period | 5 years |
Selecting the right variant
It is intended for power-utility automation where serial IEDs must reach a SCADA system over IP, with Modbus TCP server and DNP3 TCP outstation functions listed.
On the practical side, mounting is listed as din-rail mounting; wall mounting (with optional kit); the housing is metal; the stated MTBF is 347,436 hrs; the warranty period is 5 years. Treat the MTBF as a manufacturer prediction under its stated method, not a guarantee for your site.
Before ordering, confirm the supply version (HV or WV), the fibre or copper LAN variant and the serial interface. Seven Star LLC is an independent supplier in Muscat and quotes against the exact code you give us.
Related models in the NPort S9450I-HV-T family
The Moxa product list shows these models in the same family page (10 entries): NPort S9450I-2M-SC-HV-T, NPort S9450I-2M-SC-WV-T, NPort S9450I-2M-ST-HV-T, NPort S9450I-2M-ST-WV-T, NPort S9450I-2S-SC-HV-T, NPort S9450I-2S-SC-WV-T, NPort S9450I-2S-ST-HV-T, NPort S9450I-2S-ST-WV-T, NPort S9450I-HV-T, NPort S9450I-WV-T. Suffixes such as -T generally mark wide-temperature versions and fiber suffixes (M, S, MM, SS with SC or ST) mark the connector and fiber type, but the order code printed on the datasheet governs.
Related MOXA products: Moxa NPort 5410 4-Port RS-232 Serial Device Server, Moxa NPort 5110A 1-Port RS-232 Serial Device Server, Moxa NPort 5210A 2-Port RS-232 Serial Device Server, Moxa NPort IA5150A 1-Port Serial Device Server, Moxa NPort 5450 4-Port RS-232/422/485 Serial Device Server and Moxa NPort 5610-8 8-Port RS-232 Rackmount Serial Device Server.
Documents and quotation
The Moxa datasheet for this family (moxa-nport-s9450i-series-datasheet-v2.0) is attached to this page. Request a quotation with the exact order code, quantity and delivery location, and we will respond with availability.
More products in this range: Industrial Communications.
Datasheets & Documents
- Datasheet Moxa NPort S9450I series datasheet v2.0 Download
Reviews (0)
About brand
Moxa is the Taiwanese maker of industrial networking equipment: Ethernet switches, serial device servers, protocol gateways, media converters, secure routers and remote I/O. It was founded in Taiwan in 1987 and started with serial communication products before moving into industrial Ethernet. It is headquartered in Taipei.
Seven Star LLC is an independent supplier in Muscat. We list Moxa switches, serial servers, gateways and converters, and supply them to control system integrators, utilities, oil and gas and building automation projects in Oman and the GCC by exact model.
Moxa at a glance
| Established | 1987, Taiwan |
|---|---|
| Headquarters | Taipei, Taiwan |
| First products | Serial communication boards and serial connectivity |
| Product families | Unmanaged, managed and rackmount industrial Ethernet switches, serial device servers, Modbus and fieldbus gateways, media converters, serial converters, secure routers, remote I/O and industrial computers |
Moxa products we list
| Family | Models | Typical use |
|---|---|---|
| Unmanaged switches | EDS-205A, EDS-208A, EDS-2008-EL, EDS-2010-ML, EDS-308, EDS-316, EDS-G2005-EL, EDS-G205, EDS-G308, EDS-P206A PoE | Simple plug-and-play networks inside control panels |
| Managed switches | EDS-405A, EDS-408A, EDS-508A, EDS-510A, EDS-510E, EDS-518A, EDS-528E, EDS-G508E, EDS-G509, EDS-G512E, ICS-G7528A rackmount | Redundant ring networks, VLANs and diagnostics for SCADA and DCS |
| Serial device servers | NPort 5110A, 5150A, 5210A, 5250A, 5410, 5450, 5610-8, 5650-8, 6150, IA5150A | Putting RS-232/422/485 devices on an Ethernet network |
| Protocol gateways | MGate MB3180, MB3170, MB3280, MB3270, 5101-PBM-MN, 5105-MB-EIP, 5109 DNP3, 5114 IEC 104 | Linking Modbus RTU/TCP, PROFIBUS, EtherNet/IP, DNP3 and IEC 60870-5-104 systems |
| Converters, routers and I/O | IMC-21A, IMC-101, IMC-21GA, TCF-142, TCC-100, TCC-80, TCC-120, EDR-G9010 router, ioLogik E2210 | Fibre links over long distances, serial conversion, network security and remote I/O |
The choice between switch types follows the network. An unmanaged switch simply forwards traffic and suits a small, isolated panel. A managed switch adds redundancy protocols (Moxa's Turbo Ring recovers a broken ring in milliseconds), VLANs to separate traffic, port mirroring and alarms, which a SCADA or DCS network needs. The suffix on a Moxa model also matters: "-T" means a wide operating temperature range (typically -40 to 75 °C), which is the safe choice for outdoor cabinets in the Gulf summer. "-MM-SC" or "-S-SC" means multi-mode or single-mode fibre with SC connectors.
Where Moxa products are used
In Oman and the GCC, Moxa equipment connects RTUs, PLCs, meters and protection relays in oil and gas fields, electrical substations, water and wastewater SCADA, transport, and building and energy management systems.
Ordering Moxa products: what we need
Send the complete model including all suffixes (for example EDS-508A-MM-SC-T), the quantity, and for fibre models the fibre type and distance. For gateways, tell us which two protocols need to be linked.
Facts checked against Moxa company information, October 2026.
Browse MOXA products by category: Industrial Communications.
Related products
Frequently Asked Questions
What is the Moxa NPort S9450I-HV-T?
Moxa lists it as: 4-port RS-232/422/485 rugged device server, 5 10/100BaseT(X) ports, 88 to 300 VDC or 85 to 264 VAC, -40 to 85°C operating temperature. A rugged four-port serial device server for substations, with five 10/100 Ethernet ports, Turbo Ring redundancy, 2 kV serial isolation, 4 kV surge protection and a -40 to 85 degrees C range.
What power supply does the NPort S9450I-HV-T need?
The Moxa specification gives an input voltage of 110/220 VAC/VDC (110 to 220 VAC, 110 to 220 VDC). Check the terminal arrangement and, where relevant, the redundant-input wiring against your panel supply before ordering.
What operating temperature range applies to the NPort S9450I-HV-T?
The listed operating temperature is -40 to 85°C (-40 to 185°F). Wide-temperature versions carry a -T suffix in Moxa's order codes where the series offers them, and they are separate order codes.
Which serial interfaces does the NPort S9450I-HV-T offer?
The datasheet lists RS-232; RS-422; RS-485 on DB9 male, with 4 serial port(s).
Where is the NPort S9450I-HV-T datasheet and how do I ask for a quotation?
The official Moxa datasheet is attached to this page. Send Seven Star LLC the exact order code, quantity and delivery location for a quotation; we are an independent supplier in Muscat.
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