Klein 3000 Series Operation And Maintenance Manual page 29

Multiplexer board
E/O Interface
Power Splitter
Multiplexed
200VDC
Data
Multiplexer
Data
Transmit Control
and
TVG Generator
Figure 1-3:
Theory of Operation
Towfish Power Supply
+5 +15 -15
Low Frequency Transceiver Board
100 kHz / 50 kHz option
High Frequency Transceiver Board
500 kHz
Magnetometer Interface (Optional)
Responder Interface (Optional)
Interface (Optional)
Heading, Pitch, Roll Module
Pressure Sensor (Optional)
Towfish Block Diagram
1-7
Fiber Optic Tow Cable
Tow Cable
Data and 200 VDC
Port Transducer
Starboard Transducer