Chapter 3 LEDs, DIP Switches, and Connectors
© National Instruments Corporation 3-11 NI CVS-1450 Series User Manual
Table3-4 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 andconfigures itself accordingly.
If you are connecting the CVS-1450 device to the development computer
through anetwork 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
1DCD Data Carrier Detect
2RXD Receive Data
3TXD Transmit Data
4DTR Data Terminal Ready
5 C Common-mode signal of the
CVS-1450 device main power
6DSR Data Set Ready
7RTS Ready to Send
8CTS Clear to Send
9RI Ring Indicator