Appendix A — Specifications and Default Settings
Back Accessory Interface Pin-outs
Touch Screen Specifications
Standard Communications
122
Imaging options
The back accessory interface provides power for peripheral devices out
the back of the CK70 and CK71 computers.
Pin
Pin Name
1
OTB_PWR
2
GND
3
OTB_RX
4
OTB_TX
5
OTB_I/O_Voltage
6
OTB_ID
7
OTB_RTS
8
OTB_CTS
Transmissive VGA display with high-durability touch screen; 480 x
640 pixels; 8.9 cm (3.5 in) diagonal active area; LED backlight and
ambient light sensor.
UMTS (not available on CK71)
•
•
CDMA (not available on CK71)
•
Flexible Network Radio (not available on CK71)
•
GPS (not available on CK71)
•
802.11a/b/g/n
•
Bluetooth
•
USB Full Speed V2.0 Host
•
USB Full Speed V2.0 Client
5 megapixel color camera and EA30 area imager
(all), EV12 (CK71 only), or EX25 (CK71 only)
I/O
Description
Output
Power supply for peripheral
Input
DTE Data Receive
Output
DTE Data Transmit
Input
I/O Voltage Level
BiDir
One Wire Bus for ID
Output
DTE Ready do Send
Input
DTE Clear to Send
70 Series Mobile Computer User Manual