Physical Description; Surface Equipment; Figure 1-1: Splashproof Tpu - Klein 3900 Series Operation And Maintenance Manual

1.3

Physical Description

The Series 3900 Sonar System consists of two major subsystems: the surface
equipment and the subsurface equipment.
1.3.1
The surface subsystem
comprises the TPU, the
Computer Display and Control
Unit (computer), and the
Ethernet Hub.
Transceiver and
Processing Unit (TPU).
The TPU is shown in
Figure 1-1. The TPU is
built into a splashproof
case and contains the
electronics for receiving
sonar data, downlink
multiplexing of control
signals to the towfish, and
uplink demultiplexing of
sonar and auxiliary sensor
signals. For detailed
information about the
Splashproof TPU, refer to
"CHAPTER 5:
Splashproof TPU."
Computer Display and Control Unit (computer).
are accomplished through the use of the computer which supports the PC based
Windows operating system as the display and control interface for the sonar
signals. For a physical description of the computer, refer to the manufacturer's
manual.
Ethernet Hub.
TPU. For a physical description of the Ethernet Hub, refer to the
manufacturer's manual.
Surface
Equipment
The Ethernet Hub is used to connect the computer and the
Physical Description
Splashproof TPU
Figure 1-1:
Most operator functions
1-3