The diagram below shows the positions of the connectors on the DPR300 rear panel.
DPR300 Rear Panel Connectors
Sync/External Trigger Connector
Receiver Output Connector
Receiver Input Connector
Pulse Connector
RS-232 Interface Connectors
INPUT OUTPUT
THROUGH
T/R
RECEIVER
OUTPUT
TRIG/
SYNC
RS-232
INTERFACE
AC Input Receptacle
6.1.13
Receiver Input Connector (Through)
This connector is a BNC receptacle for use in connecting receiving transducers to the DPR300
receiver during through-transmission mode operation.
6.1.14
T/R Pulse Connector
A BNC receptacle for connecting to a transmit/receive (T/R) transducer during pulse-echo mode
operation, or to a transmitting transducer during through-transmission mode operation.
6.1.15
Receiver Output Connector (Receiver Output)
This connector is a BNC receptacle on which the output signal from the DPR300 receiver is
available. This output signal line should be terminated with a 50
Ω
load.
6.1.16
Trig / Sync Connector
This connector provides a positive polarity sync pulse signal that can be used to trigger an
oscilloscope or other signal monitoring/recording instrument when the DPR300 internal oscillator is
used to trigger the pulser. In this mode, the signal line should be terminated with a 50
Ω
load.
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