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SYSTEM ADMINISTRATION
4.5.3
Modbus
4–82
The table below describes the parameters displayed in the Terminal Server: Connections
screen.
Table 4–49: Terminal Server: Connections
Field Name
Port ID:
A unique identifier for this serial port.
Connection Type:
Indicates whether or not the connection is encrypted and if so,
which cipher is being used.
Session Type:
This parameter can take one of the following values:
Local IP:
The local IP address upon which the server listens for
connections when the direction is set to "In" or "Both".
Local TCP:
The local TCP port upon which the server listens for
connections.
Remote IP:
The remote IP address that the client attempts to connect to
when the direction is set to "Out" or "Both".
Remote TCP:
The remote TCP port to which the client attempts to connect
Modbus is a protocol, based on a master/slave architecture, for communication with
industrial electronic devices. Use the following screens to configure and monitor Modbus
masters and slaves. For more information see section 6.7: Modbus.
4.5.3.1 Global Settings
Allows the user to configure the system's Modbus Management feature.
This screen is used to configure Modbus global settings. The parameters are defined as
follows:
MULTINET4 MULTI-PORT SERIAL SERVER & MANAGED SWITCH – INSTRUCTION MANUAL
CHAPTER 4: SYSTEM ADMINISTRATION
Field Value
• Raw:
Provides a transparent pipe for serial data.
• Telnet: Enables basic Telnet negotiation and control
character processing (ECHO and BINARY modes
supported).
• Default value = Raw
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