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5.4 Reliability
5.4.1 DT-X11
Table 5.18
Item
Backlight
Scanner module
C-MOS Imager
USB connector
PC Card slot cover
Trigger keys
Other keys
Mounting/removing of
DT-X11 to/from the Cradle
Touch panel
MTBF
MTBF (WLAN module)
Charging and discharging
cycle of battery pack
5.4.2 DT-160IOE/DT-169CHGE
Table 5.19
MTBF for electronics parts
Mounting/removing DT-X11 to/from Cradle
Switch
No. of ON/OFF times of the
connector
No. of ON/OFF times of the power jack
Specification
5,000 hours
10,000 hours
300,000 hours
5,000 times
100 times
1,000,000 times
500,000 times
10,000 times
Key input
800,000 times
Writing
100,000 with
Katakana
characters
64,685 hours
27,000 hours
300 times or more
Item
Power switch
DIP switch
USB
RS-232C
RS-422
At half-life period
Each trigger key
With 0.8R polyester stylus with load of 250g
applied
Electronic parts only
Applicable to HA-A20BAT / DT-5025LBAT
Specification
50,000 hours
20,000 times
5,000 times
10 times
500 times
500 times
100 times
1,500 times
43
Remark/Condition
Remark/Condition
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