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Some laptop devices do not properly implement all control lines on the serial port - the laptop connection will not work.
RTS/CTS Handshaking and the Serial Port
RTS Ready to Send
CTS Clear to Send
DTR Data Terminal Ready
DSR Data Set Ready
Remote Side The device sending data to and receiving data from the VX3Plus through the serial cable connected to the RS-
232 ports on both devices.
Serial Cable: 9000060CABLE
The VX3Plus serial port supports four types of handshaking via the serial cable: None, standard Xon/Xoff, standard
DTR/DSR, and a form of RTS/CTS.
To use RTS/CTS, the remote side computer must clear the DTR line which sets the VX3Plus CTS line and allows the
VX3Plus to send data to the remote side.
And then signals and data travel smoothly between both devices.
2-8
DB9 female DB9 female
1
7
2
3
3
2
4
6, 8
5
5
6, 8
4
7
1
9
no connection
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