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RS-232/485 CONVERTER
S1-4: Echo Mode
The setting for switch S1-4 determines whether
the Converter echoes data back to the transmitting
device (half-duplex mode only).
S1-4 Setting
On Echo On
Off Echo Off
3.1.2 DIP S
WITCH
S2 S
ETTINGS
DIP switch S2 is used to configure carrier control,
RTS/CTS delay, and communication protocol. Table
3-2 shows the factory-default settings for switch S2.
Following Table 3-2 is a detailed description of each
individual switch.
Table 3-2. Switch S2 Summary Table (factory defaults in bold)
Position Function OFF Position ON Position
S2-1 Carrier Control Constantly ON ON Position
S2-2 RTS/CTS Delay No Delay 8 msec
S2-3* “XMT Off” impedance High Intermediate
S2-4* “XMT Off” impedance High Intermediate
*Switches S2-3 and S2-4 should be switched simultaneously.