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4.1.2 Power Requirements
The 3400 power requirements are 120–220 VAC and 50/60 Hz, and the input voltage is auto-sensing.
4.1.2.1
Use of an Uninterruptable Power Supply
The power source should be continuously free of high amplitude, high-frequency transients, as this type
of interference could cause degraded performance or damage to the equipment. An Uninterruptable
Power Supply (UPS) with power surge protection is recommended for powering the equipment.
Whether or not a UPS is used, the power source should never be the same as that being used to power
electric motors, such as pumps and winches, on the survey vessel.
4.1.2.2
Changing to a Non-US Power Plug
An AC power cord is provided for connecting the 3400 Portable Topside to a standard U.S. 3-pronged
outlet. For non-U.S. power outlets, you can modify this cord by cutting off the 3-pronged plug and
attaching the appropriate plug. Refer to
AC POWER CORD WIRE COLOR
Black
White
Green
4.1.3 Navigation Interface
The 3400 Sub-Bottom Profiling System accepts all standard National Marine Electronics Association
(NEMA) 0183 message sentence formats from a connected Global Positioning System (GPS) or Integrated
Navigation System. The devices are connected to the system by plugging them into the COM A or COM B
serial ports located on the rear panel of the 3400 Topside. Optionally they could be connected to the serial
port of the computer as well. Configuration instructions are found in the
3400 Portable Sub-bottom System
T
4-1
for connection information.
ABLE
FUNCTION
AC line
AC neutral
Earth ground
Table 4-1: AC Power Cord Wiring
D
3400 S
ISCOVER
OFTWARE
0021270_REV_C
4-52
M
.
ANUAL
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