User's Manual

2/10 page
SPR-8695TUH USB 2.0 HUB KBD
CONTENTS
1. SPECIFICATION..................................................................................... 3
1.1 SCOPE ..............................................................................................................3
1.2. MECHANICAL PECIFICATION..........................................................................3
1.2.1 Key switch...............................................................................................................3
1.2.2 Key switch Operation...............................................................................................3
1.2.3 Operating Region ....................................................................................................4
1.2.4 Key-top Deflection ...................................................................................................4
1.2.5 Operating feeling .....................................................................................................4
1.2.6 Key-top Height Variation ..........................................................................................4
1.2.7 Tilt...........................................................................................................................4
1.2.8 Key-top Alignment ...................................................................................................5
1.2.9 Rotational Alignment................................................................................................5
1.2.10 End stroke strength................................................................................................5
1.2.11 Key-top pull out force .............................................................................................5
1.2.12 Information for serial number on the back label ......................................................5
1.3 ELECTRICAL SPECIFICATION..........................................................................5
1.3.1 Power supply voltage...............................................................................................5
1.3.2 Power supply current consumption ..........................................................................5
1.3.3 Insulation resistance................................................................................................5
1.3.4 Chattering and bounce ............................................................................................6
1.3.5 “A” plug USB CABLE ............................................................................................6
1.3.6 USB Soft Ware I/F ...................................................................................................6
1.3.7 USB HUB ................................................................................................................6
1.4 ENVIRONMENTAL CHARACTERISTIC..............................................................6
1.4.1 Operational ambient temperature and humidity ........................................................6
1.4.2 Storage ambient temperature and humidity..............................................................6
1.5 ENVIRONMENTAL PERFORMANCE .................................................................7
1.5.1 Shock......................................................................................................................7
1.5.2 Vibration..................................................................................................................7
1.5.3 Heat Cycle Test .......................................................................................................7
1.5.4 Key life Test.............................................................................................................7
1.5.5 Low Temperature Test..............................................................................................7
1.5.6 High Temperature Test.............................................................................................7
1.6. Layout..............................................................................................................8
1.7. Circuit Diagram................................................................................................8
1.7.1 HUB 2.0 ..................................................................................................................8
1.7.2 KEYBOARD ............................................................................................................9
1.8. BLOCK Diagram...............................................................................................9
2. User instruction .................................................................................. 10