Edgetech 2000-TVD, User Hardware Manual

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4-1
4.0 TECHNICAL DESCRIPTION
This section provides an overall general description of the hardware elements comprising the 2000
topside computer and the 2000-TVD towfish of the system. This information, which includes block
diagrams, board descriptions, chassis photos, component callouts, and wiring diagrams, can be useful
for troubleshooting purposes and installing optional equipment.
4.1 2000 Topside computer
The 2000 topside computer is composed of the Topside Computer and the STARMUX III, installed in a 19-
inch rack enclosure, along with a keyboard, a trackball and two LCD monitors.
4.1.1 Topside Computer
The topside computer electronics chassis is shown in F
IGURE
4-1 . The main hardware elements in the
topside computer include the following components and circuit boards:
COMPUTER POWER SUPPLY: Provides DC power for the CPU Board and the hard drives.
CPU: The CPU board runs the Microsoft Windows 7 operating system
and the DISCOVER software on an Intel CORE I7-4820K DDR3, 3.7
GHz 64-bit processor and includes 10 MB of Cache and 2GB PC3-
12800 DDR3 RAM. The CPU board outputs downlink commands
to the towfish over the Ethernet connection to the STARMUX III
while it inputs the uplink sonar data from the towfish over the
same connection. A 500-GB hard drive contains the operating
software, and a 1-TB removable hard drive is used for data
storage. Both hard drives interface with the CPU board as do the
LCD monitor, the keyboard and the trackball. Power for the CPU
board is provided by the Computer Power Supply.
4-PORT RS-232 The 4-Port RS-232 Serial board plugs directly into the CPU and
SERIAL BOARD: provides four RS-232 serial ports on 10 pin header connectors. A
cable connects from each 10 pin header connector to one of four
DB-9 connectors, COM5–COM8, on the back panel.
HARD DRIVES: A 500-GB hard drive (C:\ drive) stores the Windows 7 operating
system and the application software. A 1 TB removable hard
drive (D:\ drive) is used for data storage.