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Standard Interfaces – Pin Assignments
PxV414 – 4U Platform User Manual
39
Standard Interfaces – Pin Assignments
Low-active are indicated by a minus sign.
COM1 (RS232)
Pin Signal name
9-pin SUB D-plug
1
DCD
(Data Carrier Detect)
2
RXD
(Receive Data)
3
TXD
(Transmit Data)
4
DTR
(Data Terminal Ready)
5
GND
(Signal Ground
6
DSR
(Data Set Ready)
7
RTS
(Request to Send)
8
CTS
(Clear to Send)
9
RI
(Ring Indicator)