Perle Systems 5500174-11 User Manual

Page of 59
 
Definitions of Signals and Direction
Page 33
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