GE Discovery LS - Section 12.5 CT-PET Communication Difficulties Due to NULL Modem Cable

GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Page 338 Chapter 12 - Troubleshooting
12.5 CT-PET Communication Difficulties Due to NULL Modem
Cable
Problem Likely Cause
Suggested Action/
Replace if Necessary
After typing cu petows in the
winterm, the screen does not
respond to input.
Incorrect NULL modem cable
connection.
Make sure that the NULL modem cable is properly
connected. (See the Discovery LS Installation
Manual 2317946-100, Section 4.11.1.)
After pressing [PET Series]
button for the first time after
shutdown or restart of the CT, the
PET application does not open.
Pinging the PET Host also fails.
OR
After pressing [PET] button on
the Desktop, or the first time after
shutdown or restart of the CT, the
PET application does not open.
Pinging the PET Host also fails.
Incorrect NULL modem cable
connection.
Click the [Console] icon on the upper left of the
Scan Monitor.
Look for PET error messages. If no PET error
messages are found, and a message with the
following content exists:
“Booting up the PET system, one moment
please...
Connected
Return from transmit after eof non - tty input
Disconnect”
Make sure that the NULL modem cable is properly
connected. (See the Discovery LS Installation
Manual 2317946-100, Section 4.11.1.)