Description - Functionality LDM 210 - LDM 220
2.3 Operation
PC link
LED’s
IN DIs
OUT DOs
Antenna
Batteries
Ext. Powe
USB powe
Hands free link with the
dosimeter
RS232 o
USB
Interface
Processor
Reception
link
Emission
link
Power
Figure 10 : LDM 210 and LDM 220 Block Diagram
The following operating modes are defined by the position of jumpers in the J16
connector (see § 3.1, page 12).
Normal Operating Model.
Test Mode.
2.3.1 Normal Operating Mode.
This is the normal operating mode of the reader.
In this mode, the reader functions as a slave of the PC.
It receives commands from the PC.
It searches for a dosimeter.
It executes commands – reading or writing dosimeter parameters or information.
It transmits a report to the PC.
128569B 9
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