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RUGGEDCOM ROX II
CLI User Guide
Section 3.20
Managing Serial Port Protocols
The following sections describe how to configure and manage serial port protocols:
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Section 3.20.1, "Serial Port Protocol Concepts"
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Section 3.20.2, "Viewing a List of Serial Port Protocols"
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Section 3.20.3, "Adding a Serial Port Protocol"
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Section 3.20.4, "Configuring the DNP Protocol"
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Section 3.20.5, "Configuring the Modbus TCP Protocol"
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Section 3.20.6, "Configuring the Raw Socket Protocol"
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Section 3.20.7, "Deleting a Serial Port Protocol"
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Section 3.20.8, "Managing Device Address Tables"
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Section 3.20.9, "Managing Remote Hosts"
Section 3.20.1
Serial Port Protocol Concepts
The following sections describe some of the concepts important to the implementation of serial port protocols in
RUGGEDCOM ROX II:
•
Section 3.20.1.1, "Raw Socket Applications"
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Section 3.20.1.2, "Modbus TCP Applications"
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Section 3.20.1.3, "DNP Applications"
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Section 3.20.1.4, "Incoming/Outgoing Serial Connections"
Section 3.20.1.1
Raw Socket Applications
The raw socket protocol transports streams of characters from one serial port on the device to a specified remote
IP address and port. The raw socket protocol supports TCP and UDP transport.
Broadcast RTU Polling
Broadcast polling allows a single host connected to the device to broadcast a polling stream to a number of
remote RTUs.
The host connects through a serial port to the device. Up to 32 TCP remote RTUs may connect to the device's
host-end via the network. For UDP transport, the device can send a polling stream to up to 64 remote hosts
(RTUs).
Initially, the remote hosts place TCP connections to the device's host-end. The host-end in turn is configured to
accept the required number of incoming TCP connections. The host connected to the device then sequentially
polls each remote host. When a poll is received, the device forwards (i.e. broadcasts) it to all the remote hosts. All
remote hosts will receive the request and the appropriate remote host will issue a reply. The reply is returned to
the device, where it is forwarded to the host.
Managing Serial Port Protocols
Chapter 3
Device Management
111
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