HP E3491A Installation And Service Manual page 55

Pentium probe
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Solving Problems
If you have RS-232 connection problems with the MS Windows Terminal program
Baud Rate: 19200 (or whatever you have chosen for the
emulator)
Data Bits: 8
Parity: None
Flow Control: hardware
Stop Bits: 1
When you are connected, hit the Enter key. You should get a prompt back.
If nothing echos back, check the switch settings on the HP E3491A Pentium
Probe.
If the switches are in the correct position and you still do not get a
prompt when you hit return, try turning OFF the power to the
HP E3491A Pentium Probe and turning it ON again.
If you still don't get a prompt, make sure the RS-232 cable is connected
to the correct port on your PC, and that the cable is appropriate for
connecting the PC to a DCE device.
With certain RS-232 cards, connecting to an RS-232 port where the
HP E3491A Pentium Probe is turned OFF (or is not connected) will hang the
PC. The only way to get control back is to reboot the PC. Therefore, we
recommend that you always turn ON the HP E3491A Pentium Probe before
attempting to connect via RS-232.
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