Definitions of signals and direction – Perle Systems Speed LE 1P User Manual
Page 32
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Definitions of Signals and Direction
Page 32
Definitions of Signals and Direction
EIA-232
Direction
Description
RI
In
Ring Indicator
DCD
In
Data Carrier Detect
RTS
Out
Request To Send
DSR
In
Data Set Ready
TXD
Out
Transmit Data
RXD
In
Receive Data
S-GND
Signal Ground
CTS
In
Clear to Send
DTR
Out
Data Terminal Ready
C-GND
Chassis Ground
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