ADLINK Technology cPCI-6910 Series, User Manual

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36 Jumpers and Connectors
cPCI-6910 Series
Serial Port (COM1)
COM Port Signal Definitions
X CTS: Indicates that the data set is ready to exchange data.
X DCD: Indicates that the data set has detected the data car-
rier.
X DSR: Indicates that the data set is ready to establish a com-
munications link.
X DTR: Indicates that the data terminal is ready to establish a
communications link.
X RI: Indicates that the modem has received a telephone-ring-
ing signal.
X RTS: Communicates to the data set that UART is ready to
exchange data.
X RX: Receives serial data input from communications link.
X TX: Sends a serial output to communications link.
Pin # Signal Name Function
1 DCD# Data Carrier Detect
2 RTS# Request to Send
3 DSR# Data Set Ready
4 TXD Transmit Data
5 RXD Receive Data
6 GND Ground
7 CTS# Clear to Send
8 DTR# Data Terminal Ready