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Explanations of the SW1 and SW2 terns are given in the table
below:
Term
Meaning
DCE
DCE means Date Communication Equipment; if
the IC-485SN is going to be plugged into a DTE
device, the IC-485SN must be set to DCE.
DTE
DTE means Date Terminal Equipment; if the IC-
485SN is going to be plugged into a DCE device,
the IC-485SN must be set to DTE.
TxON, RxON
This setting is used in Point-to-Point operations,
in which the unit is always in Transmitting and
Receiving Mode. See the TxON, RxON
schematic for details.
TxRTS, RxON This setting is used in Multidrop operations, in
which the unit is always in Receiving Mode, and
is in Transmitting Mode only when the RTS
signal is high. See the TxON, RxON schematic
for details.
TxDTR/RTS,
RxDSR/ON
This setting is used in Multidrop operations, in
which the unit is always in Receiving Mode, and
is in Transmitting Mode only when the RTS
signal is high. See the TxON, RxON schematic
for details.
