LXE vx7 Verweisanleitung
External Connectors
39
E-EQ-VX7RG-H
VX7 Reference Guide
Technical Specifications – Connection Cable
The exact serial cable is crucial. Many commercial null modem cables will not work. LXE
recommends the following cable:
recommends the following cable:
Serial cable:
9000A054CBL6D9D9
6
1
5
9
9
Pinout:
DB9 female
DB9 female
1 7
2 3
3 2
4 6,
2 3
3 2
4 6,
8
5 5
6, 8
4
7 1
9 no
9 no
connection
Figure 2-5 Pinout – Serial Cable
Some laptop devices do not properly implement all control lines on the serial port – the laptop
connection will not work.
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 VX7
through the LXE serial cable connected to the RS-232 ports on
both devices.
through the LXE serial cable connected to the RS-232 ports on
both devices.
LXE Serial Cable
9000A054CBLD9D9
The VX7 serial port supports four types of handshaking via the LXE serial cable: None, standard
Xon/Xoff, standard DTR/DSR, and a form of RTS/CTS.
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 VX7 CTS line
and allows the VX7 to send data to the remote side.
and allows the VX7 to send data to the remote side.
This allows signals and data to travel smoothly between both devices.