Table 3-4. com1 connector signals, Ethernet, Ethernet -11 – National Instruments NI CVS-1450 Series User Manual
Page 43
Chapter 3
LEDs, DIP Switches, and Connectors
© National Instruments Corporation
3-11
NI CVS-1450 Series User Manual
Table 3-4 lists pin numbers, signal names, and signal descriptions for the
9-pin COM1 connector on the CVS-1450 device.
Ethernet
The Ethernet port on the CVS-1450 device provides connection between
the CVS-1450 device and the development computer, either directly or
through a network port. The CVS-1450 device automatically detects the
speed of the connection and configures itself accordingly.
If you are connecting the CVS-1450 device to the development computer
through a network port, use a standard Ethernet cable. To connect the
CVS-1450 device directly to the development computer, use an Ethernet
crossover cable.
Table 3-4. COM1 Connector Signals
Pin
Number
Signal Name
Signal Description
1
DCD
Data Carrier Detect
2
RXD
Receive Data
3
TXD
Transmit Data
4
DTR
Data Terminal Ready
5
C
Common-mode signal of the
CVS-1450 device main power
6
DSR
Data Set Ready
7
RTS
Ready to Send
8
CTS
Clear to Send
9
RI
Ring Indicator