User's Manual

5.5 Drop Test (Non-Operating)
Purpose of test: To verify the keyboard’s ability to withstand being dropped from lap
and desk heights.
Test Parameters/Conditions: 25°C @ 50% R.H.
Standard: After test, If the keyboard is recoverable(able to be
re- assembled), it is acceptable.
Packing
Condition
Drop surface Height Test Description
Hard wood 70Cm 2 drops for each corner Non-
packing
Carpet 70Cm 1drop for 6 surfaces
Inner box Concrete 90Cm
1drop for 6 surfaces and 4
corners. (Totally 10drop)
Out box Concrete 60Cm
1drop for 6 surfaces and 4
corners. (Totally 10drop)
5.6 Key life Test
Standard: a. key-switch life: 10,000,000 cycles
b. Test equipment : Plunger Type.
Actuation speed : 4 times/sec
Press pressure : 200±50gf
5.7 Low Temperature Test
Check Method: Leave for 96 hours under –25℃.
Standard: The keyboard operates normally after the test.
5.8 High Temperature Test
Check Method: Leave for 96hours under +65℃.
Standard: The keyboard operates normally after the test.
6. CONFIGURATION
The keyboard comprises the key switch section and signal processing circuit.
The keyboard cable connects to the system with a USB connector.
The following table shows the pin configuration and signal assignments.
Contact Number Signal Name
1 V
BUS
2 D-
3 D+
4 GND
Shell
Shield