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The TPD-4000 is an 8 input / 8 output solid state
relay module designed to work in conjunction with
IRT's 4000 series Simple Network Management
Protocol (SNMP) frame.
The TPD-4000 finds particular use in gathering
alarm and status information from non-SNMP
controlled devices that use either relay or transistor
switch to ground output ports, such as IRT's 3000
series Eurocards, for situations that require SNMP
monitoring.
As well as being used for gathering information from
non-SNMP devices, the TPD-4000 also has the
ability to control non-SNMP devices that only need
simple switching so that remote control is possible
via an SNMP network.
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8 independent inputs are opto-coupled being
activated by a switch to ground contact. These inputs
are fed to an IRT SNMP module for communication
to an SNMP network.
8 solid state relay outputs have a common connection
on one side of their relay that can be either connected
to ground or to an external common signal. The
switched side of the output switches either open
circuit or to ground (or external common).
The TPD-4000 is a standard IRT Eurocard module
and may be housed in IRT's 4000 series SNMP
Eurocard frame.
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