Moxa
MGate MB3480

MGate MB3480

MGate MB3180/MB3280/MB3480 Series

1, 2, and 4-port standard serial-to-Ethernet Modbus gateways

  • Supports Auto Device Routing for easy configuration
  • Supports route by TCP port or IP address for flexible deployment
  • Converts between Modbus TCP and Modbus RTU/ASCII protocols
  • 1 Ethernet port and 1, 2, or 4 RS-232/422/485 ports
  • 16 simultaneous TCP masters with up to 32 simultaneous requests per master
  • Easy hardware setup and configuration

Certifications UL Listed · CE · FCC

Ships from and sold by A5 IT, an authorized Moxa reseller.

Specifications

Ethernet Interface

10/100BaseT(X) Ports (RJ45 connector)
Auto MDI/MDI-X connection
Magnetic Isolation Protection
1.5 kV (built-in)

Ethernet Software Features

Industrial Protocols
Modbus TCP Client (Master) Modbus TCP Server (Slave)
Configuration Options
Web Console (HTTP/HTTPS) Device Search Utility (DSU) MGate Manager MCC Tool Telnet Console
Management
ARP DHCP Client DNS HTTP HTTPS SNMPv1/v2c/v3 Trap TCP/IP Telnet UDP SMTP SNMP Trap NTP Client
MIB
RFC1213, RFC1317
Time Management
NTP Client

Security Functions

Authentication
Local database
Encryption
HTTPS AES-128 AES-256 SHA-256
Security Protocols
HTTPS (TLS 1.2)

Serial Interface

No. of Ports
4
Connector
DB9 male
Serial Standards
RS-232/422/485 (software-selectable)
Baudrate
50 bps to 921.6 kbps
Data Bits
7, 8
Parity
None Even Odd Space Mark
Stop Bits
1, 2
Flow Control
DTR/DSR RTS Toggle (RS-232 only) RTS/CTS
RS-485 Data Direction Control
ADDC (automatic data direction control)
Pull High/Low Resistor for RS-485
1 kilo-ohm, 150 kilo-ohms
Terminator for RS-485
120 ohms

Serial Signals

RS-232
TxD, RxD, RTS, CTS, DTR, DSR, DCD, GND
RS-422
Tx+, Tx-, Rx+, Rx-, GND
RS-485-2w
Data+, Data-, GND
RS-485-4w
Tx+, Tx-, Rx+, Rx-, GND

Serial Software Features

Industrial Protocols
Modbus RTU/ASCII Master Modbus RTU/ASCII Slave

Modbus (Transparent)

Max. No. of Client Connections
16
Max. No. of Server Connections
32

Power Parameters

Input Voltage
12 to 48 VDC
Input Current
365 mA @ 12 VDC
Power Connector
Power jack and terminal block

Physical Characteristics

Housing
Metal
IP Rating
IP30 For the MGate MB3480, the two screws provided with the wall-mounting kit must be used to fasten the kit to the bottom of the MGate, and the MGate must be properly attached to the terminal block for power input.
Dimensions (with ears)
35.5 x 102.7 x 181.3 mm (1.40 x 4.04 x 7.14 in)
Dimensions (without ears)
35.5 x 102.7 x 157.2 mm (1.40 x 4.04 x 6.19 in)
Weight
740 g (1.63 lb)

Environmental Limits

Operating Temperature
0 to 55°C (32 to 131°F)
Storage Temperature (package included)
-40 to 85°C (-40 to 185°F)
Ambient Relative Humidity
5 to 95% (non-condensing)

Standards and Certifications

EMC
EN 55032/35
EMI
CISPR 32, FCC Part 15B Class A
EMS
IEC 61000-4-2 ESD: Contact: 4 kV; Air: 8 kV IEC 61000-4-3 RS: 80 MHz to 1 GHz: 3 V/m IEC 61000-4-4 EFT: Power: 1 kV; Signal: 0.5 kV IEC 61000-4-5 Surge: Power: 1 kV; Signal: 2 kV IEC 61000-4-6 CS: 3 V IEC 61000-4-8 PFMF IEC 61000-4-11
Safety
IEC 62368-1 UL 62368-1 IEC 60950-1

MTBF

Time
1,213,993 hrs
Standards
Telcordia Standard SR-332

Warranty

Warranty Period
5 years
Details
See www.moxa.com/warranty

Documentation

NameTypeVersionDate
Software Package for MXview One Series (Linux version)552.6 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Software Package for MXview One Series (Windows version)249.1 MBSoftware Packagev1.7.2May 08, 2026 May 08, 2026 Release notes
Moxa CLI Configuration Tool (Windows)2.1 MBUtilityv1.6Feb 02, 2026 Feb 02, 2026 Release notes
Moxa CLI Configuration Tool (Linux)11.3 MBUtilityv1.6Feb 02, 2026 Feb 02, 2026 Release notes
Device Search Utility (installer)236.2 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
Device Search Utility (portable)128.6 MBUtilityv3.1Nov 17, 2025 Nov 17, 2025 Release notes
MXconfig Plugin1.8 MBSoftware Packagev1.8Oct 02, 2025 Oct 02, 2025 Release notes
MXview One plugin (Linux)21.7 MBSoftware Packagev1.8Oct 01, 2025 Oct 01, 2025 Release notes
MXview One plugin (Windows)22.6 MBSoftware Packagev1.8Oct 01, 2025 Oct 01, 2025 Release notes
Moxa CLI Configuration Tool (Windows)2.0 MBUtilityv1.5Jul 30, 2025 Jul 30, 2025 Release notes
Firmware for MGate MB3480881.3 KBFirmwarev4.5Jul 03, 2025 Jul 03, 2025 Release notes
Firmware for MGate MB3180567.5 KBFirmwarev2.7Jul 03, 2025 Jul 03, 2025 Release notes
Firmware for MGate MB3280885.8 KBFirmwarev4.6Jul 03, 2025 Jul 03, 2025 Release notes
MXconfig plugin (non-Java version)1.8 MBSoftware Packagev1.6Nov 11, 2024 Nov 11, 2024 Release notes
MXconfig Plugin3.6 MBSoftware Packagev1.7Nov 11, 2024 Nov 11, 2024 Release notes
MXview Plugin41.7 MBSoftware Packagev1.6Oct 04, 2024 Oct 04, 2024 Release notes
MXview Plugin40.8 MBSoftware Packagev1.5Jun 12, 2024 Jun 12, 2024 Release notes
MGate Manager Utility5.4 MBUtilityv1.19Dec 12, 2023 Dec 12, 2023 Release notes
MGate Manager Utility5.4 MBUtilityv1.18Sep 25, 2023 Sep 25, 2023 Release notes
Device Search Utility2.2 MBUtilityv2.7Jun 28, 2023 Jun 28, 2023 Release notes
Moxa CLI Configuration Tool for Linux8.1 MBUtilityv1.2Mar 31, 2021 Mar 31, 2021 Release notes
Moxa CLI Configuration Tool for Windows2.1 MBUtilityv1.2Mar 31, 2021 Mar 31, 2021 Release notes
Moxa CLI Configuration Tool User Manual850.9 KBManualv2.5Feb 12, 2026
Device Search Utility v3.x User Manual2.8 MBManualv1.1Nov 17, 2025
Manual for MGate MB3000 Series15.1 MBManualv13.4Jul 30, 2025
Datasheet for MGate MB3180/MB3280/MB3480 Series1.3 MBDatasheetv1.9Jun 10, 2025
FOSS Statement for MGate Manager214.8 KBDeclarationv1.0Mar 21, 2025
FOSS Statement for Moxa CLI Configuration Tool114.6 KBDeclarationv1.0Dec 10, 2024
FOSS Statement for MGate MB3000 Series and MGate EIP3000 Series176.4 KBDeclarationv2.0Oct 28, 2024
Declaration of Conformity for MGate MB3280278.0 KBDeclarationv1.0Jun 24, 2024
FOSS Statement for Device Search Utility161.8 KBDeclarationv1.0Jun 24, 2024
QIG for MGate MB3480965.0 KBQIGv7.4May 31, 2024
QIG for MGate MB3180803.1 KBQIGv5.3May 31, 2024
QIG for MGate MB3280592.3 KBQIGv4.3May 31, 2024
Tech Note: Configuring and Monitoring with MXview One/MXview and MXconfig (non-java and java) Plugins2.1 MBTech Notev1.0May 07, 2024
Declaration of Conformity for NPort 5110/5130/5150/MGate MB3180265.8 KBDeclarationv1.0Apr 26, 2024
Tech Note: The Security Hardening Guide for MGate MB3000 Series922.4 KBTech Notev1.1Jan 12, 2022
Moxa CLI Configuration Tool User's Manual1.1 MBManualv2.0Mar 05, 2019
2D CAD for MGate MB3480 TOP813.0 KB2D CADOct 26, 2015
2D CAD for MGate MB3280480.0 KB2D CADOct 26, 2015
2D CAD for MGate MB3180279.6 KB2D CADOct 26, 2015
Tech Note: How to Configure KingSCADA with MGate MB30002.7 MBTech Notev1.0Jan 06, 2015
Tech Note: How to Configure WinCC with MGate MB30003.5 MBTech Notev1.0Jan 06, 2015

Other models in the MGate MB3180/MB3280/MB3480 Series