User Manual

Chapter 6 System Overview
Hi-G-Tek Ltd. Micro electronics & Asset Tracking Technology - 65 -
where you want to sense if the door is open but you can’t seal it. Other than
that, it is identical to the DataSeal device.
4. DataReader
The DataReader uses in high frequency (long range) RF communication to
communicate with the DataSeals mainly for reading their IDs and their
Statuses. T he DataReader can also be used for reading and writing
information to and from the DataSeal and retrieving logged events from the
DataSeal. Each DataReader can communicate with numerous DataSeals
simultaneously and verify their presence and status. The DataReaders can
also be chained together to allow a longer and wider range of coverage.
DataReaders must be connected to a controlling computer that control
them.
5. DataTe rminal (previously known as Hand Held Terminal or HHT)
This is a mobile handheld device which includes a keypad, a small LCD
screen, a low frequency receiver/transmitter, and an RS-232 interface.
The main things that you can do with the DataTerminal are: Reading a
DataSeal's ID and Status; Reset the DataSeal for a new use ("Set"
command); reading and writing data to and from the DataSeal – for
example: manifest number, truck number, driver name etc.; reading the
events that were logged in the DataSeal; T ransferring this information to
and from a PC.
6. DataPort (Previously known as Low Frequency Terminal, or LFT)
The Dat aPort is a simple low frequency modem. It includes a low
frequency transmitter/receiver and an RS-232 interface that connects to a
PC. In other words, it enables a PC to communicate almost directly with a
DataSeal. In general, the DataPort enables the PC to perform the same