User's Manual
Table Of Contents
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DataReader Installation
3
Hi-G-Tek Ltd. Microelectronics & Asset Tracking Technology
40
Up to 32 DataReaders can be connected in a daisy chain using
RS485. The last reader in the chain should be terminated by a
120 Ohm resistor between the RXA and the RXB.
For the Outdoor version, the user can decide to create either an
internal or external termination switch. The internal termination
switch is created by setting to ON the termination switch (S2) of
the last reader in the daisy chain.
An external termination is relevant for the Indoor version only. An
RS-485 to RS-232 adapter termination should be provided for the
adapter receive channel.
3.3. Chaining DataReaders Together