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INTERFACING THE HYDROBOX FOR A SURVEY APPLICATION

*Updated September 30, 2013*

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The HydroBox sensor unit and the HydroBox Host application software provide a critical part of your

Hydrographic Survey solution, but there are several other important hardware and/or software components

that you will need to perform a successful survey. The following components are also required to have a

successful survey mission:

• Laptop or Desktop PC (Sunlight readable preferred in most applications)

• DGPS for accurate survey position information.

• Multiple COM Ports, or USB to Serial Adapter (for GPS, Data Logger, and Survey Software

Interface)

• Hydrographic Survey Software Application

This application note will cover the basic setup of all the equipment listed above in a step by step manner.

There are 2 typical installation setups for the HydroBox: DGPS Only, and DGPS with Survey Software.

Each of these installations shall be described.

HydroBox to PC Interface

The HydroBox sensor unit sends and receives data via a dedicated, single serial connection to/from the

Laptop (Desktop) computer hereinafter referred to as a PC. Note that the acoustic data sent to the PC is sent

in real time and in shallow water the amount of data is significant. Thus, it is best to purchase or use a PC

that has a 9 pin Serial Interface (COM port) connector. A direct RS232 serial port connection between the

PC and the HydroBox Sensor unit is the best way to ensure that no acoustic data is lost during your survey.

If you cannot use a PC with a dedicated serial port, one of the adapters listed below may be used but it is best

to have a direct connection for the acoustic data link if possible.

Also note that the Hydrobox data cable incorporates a port-powered RS-232 to RS-422 converter. Because

power to the converter needs to originate from the PC, some USB to serial converters do not work for this

application. This is common for low end converters that are typically used for consumer electronic

peripherals. This is another reason to make use of a direct COM port connection between the HydroBox and

the Host PC.

HydroBox with DGPS Interface Only Configuration

All survey applications require that the depth information provided by the HydroBox be mated to a specific

position on the map. Thus, a DGPS is a critical part of the survey solution. Fortunately, the position

information from the DGPS is sent in several industry standard ASCII data strings (RMC, GGA, GLL) with

minimal data bandwidth requirements. Since most PC’s of today do NOT have multiple COM ports

available, the DGPS interface to the computer should make use of one of the Serial to USB converter.

The DGPS interface uses about 1/10

of the data bandwidth when compared to the HydroBox acoustic data

interface so a Serial to USB adapter will work fine for the DGPS data.

For applications that require the HydroBox and a DGPS only, a total of 2 COM ports are needed to setup a

survey system. For functional Serial to USB 2.0 adapters known to work for this type of setup, refer to the

adapters listed in Table 1.

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Inhaltsverzeichnis

Seite 1

INTERFACING THE HYDROBOX FOR A SURVEY APPLICATION *Updated September 30, 2013* 1 of 4 The HydroBox sensor unit and the HydroBox Host application so

Seite 2

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[email protected] USBUPort® 1600-8 Series8-port RS-232 and RS-232/422/485 USB-to-serial convertersThe UPort® 1600-8 USB-to-serial c

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Seite 5

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Seite 7 - 1250/1250I

KEY FEATURES New generation of I/O expansionfor notebooks Adds 1, 2 or 4 high-speed serialports; 1 true parallel port Support PCI Express BaseSpeci

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Seite 9 - 1400 Series

INTERFACING THE HYDROBOX FOR A SURVEY APPLICATION *Updated September 30, 2013* 2 of 4 HydroBox with DGPS and Survey Software Configuration For th

Seite 10 - Ordering Information

INTERFACING THE HYDROBOX FOR A SURVEY APPLICATION *Updated September 30, 2013* 3 of 4 Table 1 USB TO SERIAL ADAPTORS Manufacturer: P/N: DESC.

Seite 11 - 1600-8 Series

INTERFACING THE HYDROBOX FOR A SURVEY APPLICATION *Updated September 30, 2013* 4 of 4 B& B Electronics / QUATECH USB TO SERIAL ADAPTORS DSU2-

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High Speed USB Serial AdaptersKEY FEATURES1, 2, 4 or 8 independent serial portsRS-232 or software-selectable RS-232/422/485Compatible with USB 1.1Plug

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HIGH SPEED USB 2.0 SERIAL ADAPTER SPECIFICATIONS5675 Hudson Industrial Parkway * Hudson, OH 442361.800.553.1170 * +1 330.655.9000 * www.q

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[email protected] USBUPort® 1250/1250I2-port RS-232/422/485 USB-to-serial converters with optional 2 KV isolationThe UPort® 1250/12

Seite 15 - KEY FEATURES

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[email protected] USBUPort® 1400 Series4-port RS-232 and RS-232/422/485 USB-to-serial converters with optional 2 KV isolationThe U

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