Serial Bus Terminator Board (SCN 816546)
This is used to simply terminate the serial bus. It is always located on the last board
in the chain.
Sensors
The monitor uses a combination of sensors to detect user movement and positioning
on the monitor. Table 41 lists the various sensors and their application. The number
and type of sensors that apply to different models are specified elsewhere in the
Appendices. Maintenance related information for the various types of sensors is
provided in Sensor Setup starting on page 364.
Sensor
Name
Approach
Photoelectric
1 & 2
Passive IR motion
Occupied
Photoelectric
Transmit/Receive
Body-In
Photoelectric
suppression
Gem-5 User's Manual
Figure 148 Serial Bus Terminator Board (left) and its position
in a gamma detector board (right)
Table 41 Position Sensor Types
Type
Monitors
GEM-5
sensor
GEM-5
IR
GEM-5
IR bkg
Location
Roof
Detect approach, stop background update
Diagonally
Detect personnel in monitor
across frame
at mid-
height
Head
Detect body close to body detector array – the
detector
side opposite to Liquid Crystal Display (LCD)
panel near
head
detector
Sensors
Function
Screen
349
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