GE HEALTHCARE
DIRECTION 2307224-100, REVISION 6DISCOVERY LS SYSTEM SERVICE MANUAL
Chapter 3 - DLS System Functional Description Page 89
Figure 3-8: RS232 PET Connection with Turbo SHARC
3.8 E-Stop Safety
Another circuit that was integrated in the CT and PET subsystems is the CT and PET hardware
Emergency Stop. Both the CT and PET original safety circuits are now hardware connected in a
unique circuit that integrates the E-Stop function into a single system.
3.9 Covers
The covers provide an enclosure for the combined CT-PET system. They also are designed to
provide the following features:
• Protection of the operator and patient from moving parts, and electrical hazards.
• Adequate ventilation to remove heat from the gantries and maintain the internal
temperature within the specified limits.
• Support for the keypads.
• Support for the intercom and breathing light display.
• Support for the combined gantry display.
• A combined "tunnel" for patient imaging with radiation-transparent sections for x-ray and
PET imaging.
SHARC Backplane
Hub
Data
Terminal Server
RS232
Bulkhead
GANTRY
Optical Drive
Tape Drive
Workstation
SCSI
J18
EDCAT Backplane
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