JetPort 5604 - Industrial Networking Solutions – Industrial Ethernet Switches and Routers

JetPort 5604

JetPort 5604 series is a 4-port Redundant Serial Device Server. JetPort 5604 provides four 3-in-1 RS232/422/485 serial interfaces. Users can use one IP address, Redundant Ethernet paths (RTTD Technology) to control max. 4 serial devices over the Ethernet. To configure JetPort Commander, the easy-to-use utility for Windows or choose HTTPS/SSH for secured management. JetPort 5604 series are also equipped with two types of power inputs, four 5V TTL Digital Inputs and two Digital Outputs. These are value-added feature for user to construct the field installation.

World’s First RTTD Technology
RTTD, Redundant to the Device JetPort 5604 series provide dual Ethernet ports. When the dual Ethernet ports are connected, only one path will be activated, this is known as Primary path. The un-activated path will be the Backup path. When the primary path is down, the backup path will recover Ethernet connection in less than 200ms.

Inter-connect RTTD with Super Ring
JetPort 5604 RTTD technology works well with JetNet 4000/5000 series Super Ring technology, which provides users complete redundant solution from network infrastructure to the serial devices.

Four Serial Interfaces Can Be Configured for Different Mode
JetPort 5604 series have four serial interfaces, and all of the interfaces can be configured with different serial interface types, such as RS232, RS422, 2-wire RS485 or 4-wire RS485. Each of the ports also can be configured with different service modes. You can configure serial port 1 to Virtual COM mode, serial port 2 to TCP server, serial port 3 to TCP client and serial port 4 to UDP mode. All of the serial ports have their own settings and can work well at the same time.

Up to 5 Simultaneous Connections
To JetPort series provide you up to 5 simultaneous Virtual COM, TCP Server, TCP Client, TCP Tunnel and UDP connections. All the services are developed over the TCP/IP protocol stacks. You can easily connect to the serial devices over Ethernet and plan your serial to Ethernet applications.

Windows Virtual COM
After installing JetPort Windows driver, the serial port on the JetPort can be accessed by the Windows as the virtual COM port. Users do not have to modify the existing program to upgrade the legacy serial communications into serial over IP application.

TCP/UDP Socket
You can also use TCP/UDP socket programs to control JetPort’s serial port. JetPort can be configured as TCP Server, to listen to TCP connection request, or as TCP Client, to actively request TCP connection to send data, or as UDP mode for multiple destination transmission.

5V/TTL Digital Input and Digital Output
JetPort 5604 series provide four digital inputs and two digital outputs. It allows users to connect the termination units’ 5V TTL digital input/output. JetPort Commander allows you to monitor the status of the DI and DO, and assign the value of 0 or 1 to DO. JetPort also provides one data port for user to program DI/O “get” and “set” commands figure on the right. The logic Low (Value=0) power voltage is 0-0.8V, 0.8V is the max value. The logic High (Value =1) power voltage is 2-5V, 2V is the min value. JetPort also opens one TCP socket port for DI/DO programming commands.

Easy-to-Use Windows Utility and Smart Wizards
Korenix JetPort Commander is known for its abundant features, user-friendly interface and smart setup wizards. Customer can browse the JetPorts, configure services, monitor devices and group setup. The group setup wizard includes Virtual COM Wizard, Group Setup Wizard, Group Firmware Wizard, Serial Tunnel Wizard and Group IP Wizard. Virtual COM Wizard: Three steps to configure all Virtual Com ports Group Setup Wizard: Copy specific configurations from one to other devices Group Firmware Wizard: Group update firmware to multiple device(s) Serial Tunnel Wizard: Couple devices to serial tunnels Group IP Wizard: Configure IP to multiple device(s)

JetPort 5604 Appearance

Flexible Installation

Korenix JetPort 5604 series have flexible mechanical designs. These can help users to install JetPort 5604 in different environments. With the vertical Din-Rail Mount, the JetPort 5604 series provide IP31 protection.

Pin Assignment


Industrial 4-port Redundant Serial Device Server

  • 4-ports RS-232/422/485 to redundant Ethernet
  • RTTD, Redundant to the Device function Dual Ethernet ports, network auto-recovery in Less Than 200ms
  • Four Digital Inputs and Two Digital Outputs
  • Redundant Power Inputs by 12-48VDC Terminal Block and DC Jack
  • Independent serial services, Virtual COM, TCP Server/Client/Tunnel and UDP Connections
  • JetPort Commander, Easy-to-use Windows Utility with smart setup Wizards
  • Secured Management by HTTPS and SSH
  • Event Notification by Syslog, Email, SNMP trap and Digital Output
  • Vertical mounting by DIN Rail, Wall mount/Desk-top

Network Interface

2* 10/100BaseTX, Redundant Dual Ethernet
RJ-45, Auto MDI/MDI-X
Auto Recovery in less than 200ms
Built-in 1.5 KV magnetic isolation protection
Serial Communication
Number of Ports
RS-232, RS422, 2/4-wire RS485
Male DB9
Baud Rates
110 bps to 460.8 Kbps
Data Bits
5, 6, 7, 8
odd, even, none
Stop Bits
1, 1.5, 2
Tx+,Tx-, Rx+, Rx-,GND
RS-485 (4-wire)
Tx+,Tx-, Rx+, Rx-,GND
RS-485 (2-wire)
Data+, Data-,GND
Flow Control
Serial Line Protection:
Long Distance Termination
2*pin 120ohm DIP switches
Digital Input/Output
Number of DI:
Power Input voltage:
Logic 0: 0.8V max (0-0.8V)
Logic 1: 2.0V min (2-5V)
Number of DO:
Power Output voltage
Logic 0: 0.8V max (0-0.8V)
Logic 1: 2.0V min (2-5V)
Power 1/Power 2: Startup(Red); Ready(Green)
Ethernet port:
Left:100M Link (Green On) / Activity(Green Blinking)
Right:10M Link (Orange On) /Activity(Orange Blinking)
Serial 1/2/3/4:TX only(Green), RX only(Red), Both RX/TX(Orange)
Windows Utility-JetPort Commander, HTTP, Telnet
Serial Service
Virtual COM, TCP Server, TCP Client, TCP Tunnel and UDP
Software reload default, Hardware reset button
Embedded beeper for positioning
Redundant to the Device, Auto-recover in less than 200ms
For time management
Access IP Table
16 IP addresses to prevent illegal users
Devices¡¦ status, VCOM status
RFC1213 MIB II, RFC1317 RS232_like and SNMP Trap
E-Mail Alert
Automatic e-mail warning by pre-defined events
System Log
Trap to Syslog server or local display
System Events
Cold/Warm Start, Login Failed, IP and Password Changed, Access IP Blocked, DI/DO changed, Serial Port DCD/RI/DSR/CTS changed, Serial Port connected/disconnected.
Windows Utility
JetPort Commander
Device Discovery, Auto IP, Network Setting, Device and Serial Port Setting and monitoring, Notification setting, Firmware Upgrade, Configuration Backup and Restore, Group Configuration Wizards
Serial Service Mode
Virtual COM, TCP Server, TCP Client, TCP Tunnel and UDP
Advanced Serial Setting
TCP Alive Check Timeout, Inactivity Idle Timeout, Performance mode, Delimiter, Force TX Timeout for Data Packing and Force TX interval time
Group Configuration Wizard
JetPort Commander: Group IP Wizard, Group firmware upgrade, Group Backup/Restore, VCOM and TCP Tunnel Setup Wizard
Power Requirements
System Power
PWR1: 12~48VDC Terminal Block
PWR2: 12~48VDC Power Jack with Power Adapter
Power Line protection
1 KV Burst (EFT), EN61000-4-4
0.5 KV Surge, EN61000-4-5
Regulatory Approvals
FCC Class A, CE Class A , UL, RoHS
Operating Temperature
-10 to 70°C
Operating Humidity
5% to 95% (Non-condensing)
Storage Temperature
-40 to 85°C
Water and wastewater | Road | Rail trackside | On board rail | Oil and Gas | Maritime and offshore | Factory automation | Energy | Building automation
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