RST100
USER
&
INSTALLATION
MANUAL
37
RS232 Port
LBT Data Port
Data Logging Port
DCD DCD
=
DTR
RXD RXD
TXD TXD
DTR DTR
DSR
DSR = DTR
RTS RTS
CTS
CTS = RTS
RI RI
not
connected
RS232 Port Electrical Parameters
The LBT “Comm” Port and Log Ports conform to the RS232 interface specification
with the following parameters, however the Log Port communicates only at 9600 :
Parameter
Specification
Communication Rate
220 to 115,200 Baud
Protocol
1 start bit, 8 data bits, no parity, 1 stop bit,
asynchronous.
Voltage Levels and Sensitivity
RS232 compliant