User`s guide

Chapter 5 Troubleshooting RIGOL
M300 User’s Guide
5-3
11. The GPIB interface does not work normally?
1) Check whether the cable works normally and the connection is correct and
reliable.
2) Ensure the GPIB addresses of M300 and computer are identical.
3) If the problem remains, please contact RIGOL.
12. The USB Device interface does not work normally?
1) Check whether the cable works normally and the connection is correct and
reliable.
2) Check whether the “USB Test and Measurement Device” drive program has
been installed in your computer (namely check whether “USB Test and
Measurement Devices” is displayed in the device manager of your
computer).
3) If the problem remains, please contact RIGOL.
13. The RS232 interface does not work normally?
1) Ensure the RS232 parameters (baud rate, etc.) of M300 and computer are
identical. If the problem remains, please refer to the next step.
2) Check whether the RS232 cable is a cross line.
3) If the problem remains, please contact RIGOL.
14. The LAN interface does not work normally?
1) Check whether the cable works normally and the connection is correct and
reliable.
2) Check the IP address configuration mode:
 If DHCP is enabled, please ensure the network supports DHCP mode
and can distributes network parameters (such as the IP address) to the
instrument automatically.
 If DHCP is disabled and Auto IP is enabled, please ensure the IP
addresses of M300 and computer is in the same network segment.
 If Manual IP is enabled, please ensure the IP addresses of M300 and
computer is in the same network segment.
3) If the problem remains, please contact RIGOL.