I/O Module Descriptions
3500/42 Operation and Maintenance
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4.5
External Termination I/O Modules
External Termination I/O modules let you simplify the wiring to the I/O modules in
a 3500 rack by using a 25-pin cable to route the signals from the four
transducers and a nine pin cable to route the signals from the recorders to the
I/O module. This section describes the External Termination I/O modules
available for use with the Proximitor/Seismic Monitor. It also shows what these
External Termination I/O modules look like, what the External Termination Blocks
look like, and the pin outs of the cables that go between the External Termination
I/O modules and the External Termination Blocks.
4.5.1
Proximitor/Seismic I/O Module (External Termination)
This section discusses the features of the Proximitor/Seismic I/O Module.
Connect the I/O module to
the Recorder External
Termination Block using
cable 129529-XXXX-XX.
Use the jumper to select
the type of transducer
connected to Channel 3
and 4 to the I/O module.
Use the jumper to select
the type of transducer
connected to Channel 1
and 2 of the I/O module.
Connect the I/O module to
the External Termination
Block using cable 129525-
XXXX-XX.
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