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Modes of Operation,
SIS Configuration
and Control
This section of the guide is divided into the following topics:
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Modes of Operation
The IPL EXP PDU4H has three control modes:
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•
•
One additional way to control and monitor the unit is to connect to the LAN port and use
controls in the embedded web page.
Manual Control Mode
In manual control mode the Manual Control contact closure ports and a keypad or switch
are used for basic on‑and‑off control of the switched AC power output ports.
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SIS-Over-SSH Mode
SIS‑over‑SSH mode allows the user to perform basic configuration and control of the
IPL EXP PDU4H and it allows non‑Extron devices to communicate with the unit by using
Simple Instruction Set commands. This mode requires a network connection and an SSH
cilent program using port 22023. SIS‑over‑SSH permits you to set basic unit settings and
send information queries to the unit. See
for details on the SIS commands.
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•
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Once the unit is configured or programmed as part of an Extron control system (when you
deploy a Global Configurator or Global Scripter project that includes the IPL EXP PDU4H),
the SIS‑over‑SSH mode is disabled and the SPD mode is automatically enabled.
Modes of Operation
SIS Configuration and Control
Manual control mode
Simple Instruction Set (SIS)‑over‑SSH mode
Secure Platform Device (SPD) mode
This mode is enabled at all times.
The IPL EXP PDU4H does not need to be configured, nor connected to a network, in
order to control the on or off state of the AC output ports.
Manual control takes precedence over the other two operation modes.
This mode is enabled at the factory and is enabled by default.
It allows non‑Extron devices to use Ethernet communication to command the
IPL EXP PDU4H.
It is disabled by SPD mode
IPL EXP PDU4H • Modes of Operation, SIS Control and Configuration
SIS Control and Configuration
on page 23
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