124 User’s Manual
8 Specifications and Options
8.1 Options
The DAQlink III unit has several options
• Compact Flash – 32 Mbyte to 16 Gbyte optional. The Flash card is used for
o Buffering of data- Temporary storage of data until data can be sent over
network. Amount of storage required depends on the speed of
acquisition and the speed of the network
o Storage of data while not connected to network. The Flash card can be
used to store data while the unit is not connected to the network, later
this data can be downloaded to the computer.
• GPS option – The GPS option is used for
o Position information – When valid position data is available from the
GPS receiver the position information is stored along with the data.
o Timing – The GPS receiver can be used to stored precise time of the data
collection
o Oscillator adjustment- the internal oscillator of the DAQlink III unit can
be adjusted to match the GPS clock.
• Analog Cables
o The DAQlink III unit has a 55 pin connector for the analog inputs.
Various analog cable options are available for the end user.
• Power and Ethernet Switch Box
o This option allows multiple boxes to be connected over the Ethernet
cable
o This option can also be used between boxes to increase the maximum
distance between boxes. The standard specification for transmission of
data over CAT5 cable is 100 meters.
• Distributed DAQlink III unit – allows multiple boxes to be connected at a
distance of over 5000 feet with standard phone line.
• Wireless Ethernet Option
o Wireless Work group bridges and Wireless access points can be used to
transmit the data from the DAQlink III unit to the host computer
o High Gain antenna are available to increase the range of the Wireless
network
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