16-Port Rack Mountable Modbus Gateway with RJ45 Serial connectors, 2.5 KV Isolation, 2 Fast-Ethernet RJ45 Ports

Modbus is an industry adopted communication protocol based on RTU, ASCII, and TCP protocols for various applications; these three protocols are commonly used by various equipments in the industry, such as DCS, PLC, HMI, power meters, various sensor and measuring instruments. 

The Modbus Gateway is capable of implementing the Modbus protocol conversion between different hardware interfaces, thereby streamlining the process of management and application. 

Diverse Hardware Infrastructure 

Modbus Gateway supports the four most commonly used communication standards, RS-232/485/422, and Ethernet. The ease-of-use configuration utility provided with Modbus Gateway can quickly select the hardware interface , and easily switch to the existing communication infrastruc- ture. 

Switching between Modbus Protocols 

Modbus Gateway supports the standard Modbus protocol and is capable of converting any Modbus protocols between Modbus TCP, Modbus RTU, and Modbus ASCII for all supported hardware interfaces. 

Modbus ID Routing 

Modbus Gateway is not only capable of hardware and protocol conversions, and when a Modbus ID conflict occurs, the Modbus Gateway also supports ID routing to the existing Modbus hardware. 

Simple Integration for Complex Configurations 

Modbus Gateway supports various types of hardware communication interfaces, Modbus protocol conversion, and Modbus ID routing. Therefore the Modbus Gateway can integrate your existing and complex Modbus hardware configuration into a simple network that can be easily managed. 

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ComplianceIEEE 802.3 10BASE-T
IEEE 802.3u 100BASE-TX
Port(s)2 x RJ45
Transmission Rate10/100 Mbps
ModeRS-232 or RS-422 / 485
Port(s)8 (MB5408A)
16 (MB5416A)
Baud rate50bps~921kbps
ParityNone, Odd, Even, Mark, Space
Data bits5,6,7,8
Stop Bit1,2
Flow ControlNone, Xon/Xoff, RTS/CTS (RS-232 only)
ConnectorIEC 60320-1 C14 AC Power Inlet (AC models) / 5.08mm 3-pin Lockable Terminal Block (DC models)
Input Voltage100-240 VAC (AC models) / 24-48 VDC (DC models)
Power Consumption0.21A @100 VAC / 0.54A @24 VDC
Reverse Polarity ProtectionYes (DC input)
EMIEN 55022: 2010, EN 55024: 2010, FCC Part 15B, Class A
EMSESD Level 4, RS Level 3, EFT Level 3 / 4, Surge Level 2 / 3 / 4, CS Level 3, PFMF Level 3, DIP. 
SafetyEN 60950-1
ShockIEC 60068-2-27
FreefallIEC 60068-2-32
VibrationIEC 60068-2-6
Operating-20°C ~ 70°C (-4°F ~ 158°F)
Storage-40°C ~ 85°C (-40°F ~ 185°F)
Humidity5 ~ 95%RH(Non-condensing)
(W x H x D)436 mm x 43.5 mm x 200 mm
Installation19” Rack Mount
Reset ButtonYes
Main FeatureID Mapping, Modbus Caching, Modbus Routing
ConfigurationSerial Manager / Web UI / Telnet
Virtual COMWindows / Linux driver
Supported ProtocolIPv4, ICMP, TCP, UDP, DHCP Client, SNMP, HTTP, Telnet, RFC2217, NTP, DNS, SMTP, Syslog
Link Mode
TCP Server32 Modbus TCP Master/Slave Connections (shared by all COM ports), Virtual COM
Warranty5 years


Model NameP/NDescription
MB5416A  1P1MB5416A0001G16-Port Industrial Modbus Gateway, RS-232, AC Inlet, US Plug, Rack Mount


Model NameP/NDescription
Power Adapter 
AD17-24C (US-Y)
50500151240002GY-Type power adaptor,100-240VAC input, 0.6A @ 24VDC output, US plug
Power Adapter
AD17-24D (EU-Y)
50500151240012GY-Type power adaptor,100-240VAC input, 0.6A @ 24VDC output, EU plug
ADP-DB9(F)-TB559906231GFemale DB9 to Female 3.81mm TB5 Converter
CBL-RJ45(8P)-DB9(M)-9050891781GRJ45 to DB9 Male Cable, 90cm
CBL-RJ45(8P)-DB9(M)-20050891951GRJ45 to DB9 Male Cable, 200cm​
CBL-RJ45(8P)-DB9(F)-90​50891791GRJ45 to DB9 Female Cable, 90cm
CBL-RJ45(8P)-DB9(F)-90-C50891971GRJ45 to DB9 Female Cross Over Cable, 90cm
CBL-RJ45(8P)-DB9(F)-200-C50891961GRJ45 to DB9 Female Cross Over Cable, 90cm
RMK-718-Black70100000000040GRack Mount Mounting-Kit, Black
Power Cable (US)50801041G6 feet Power Cable, US
Power Cable (EU)50801051G6 feet Power Cable, EU
Fuse59907561G250V, 2A, 20mm (length) * 5mm (diameter)​

End of Life Notice

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Products Brochure

Modbus Gateways 1.21MB


V1.4 MB54XX User Manual 3.15MB

Quick Start Guide

V1.1 MB5408/16A Quick Start Guide 0.26MB


V4.42 MB54XX F/W 3.31MB

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