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3.6 Topside Processor Connections
The 4200 Rack Mount Topside Processor connections are made to both the front and back panels. The
701-DL Digital Link connections are made to the back panel only, and connections to the 4200-P Topside
Processor are made to a side panel.
3.6.1 4200 Rack Mount Topside Processor Connections
Most of the connections to the 4200 Rack Mount Topside Processor are made using connectors on the
back panel of the processor. These connectors are shown in F
IGURE 3-1. The trackball and keyboard
connections are made using the USB connectors on the front or back panel.
The 4200 Rack Mount Topside Processor connections are the following:
SEA CABLE: 4-Pin female bulkhead connector. Connects to the tow cable.
MONITOR: DB-15 female connector. Connects to the High-Definition LCD monitor.
COM 1-NAV: DB-9 female connector. RS-232 serial port that connects to the navigation system.
COM 3: DB-9 female connector. RS-232 serial port that can be used to connect to the
navigation system.
ETHERNET: RJ-45 connector that provides a 10/100BaseT Ethernet connection.
EXT TRIG: BNC connector. Connects to an external trigger source to trigger the sonar. A TTL
level trigger input must be used, where the leading or trailing edge, as selected in
the Discover software, triggers the sonar.
USB: (6) USB connectors. Four on the back panel and two on the front.
VAC INPUT: CEE-type AC input connector. Connects to90–260 VAC, 50/60 Hz power.
3.6.2 4200-P Portable Topside Processor Connections
All of the connections to the 4200 Portable Topside Processor are made using connectors on the side
panel of the processor. These connectors are shown in F
IGURE 3-3.
The 4200-P Portable Topside Processor connections are the following:
TOW CABLE: 4-pin female bulkhead connector. Connects to the tow cable.
DC INPUT 8-pin male bulkhead connector. Connects to 24 VDC power and provides a
ETHERNET: 10/100BaseT Ethernet connection to the laptop computer.
AC INPUT: 3-pin male bulkhead connector. Connects to90–260 VAC, 50/60 Hz power.
EXT TRIGGER: 2-pin male bulkhead connector. Connects to an external trigger source to trigger
the sonar. A TTL level trigger input must be used, where the leading or trailing
edge, as selected in the Discover software, triggers the sonar.
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