Casio IT-800 Series Hardware Manual page 26

Table 2.2
Pin no. Signal
1 V CRADLE
2 D +
3 D -
4 USB_ID
5 V BUS
6 GND
Continued from page 25.
LED light
Speaker
Receiver
Microphone
Power
Operating power
Memory backup
Operating period
Memory backup
period (with
memory backup
battery only)
Description
Power supply/Charge to the terminal
USB D+
USB D-
Switch-over between USB host and USB client
Power from USB cradle
GND
21,000 mcd
Warning sound, etc.
For Public line and VoIP
Voice sound input
Lithium-ion battery pack
Lithium battery (rechargeable)
HA-D20BAT : Approx 11 hours
HA-D21LBAT : Approx 22 hours
Above time periods are based on the ratio
of cyclic operation of "Standby:
Calculation: Scanning" at 20:1:1, and
under the conditions;
- Auto Power Save mode (CPU)
- Backlight Off
HA-D20BAT : Approx 10 hours
HA-D21LBAT : Approx 20 hours
Above time periods are based on the ratio
of cyclic operation of "Standby:
Calculation: Scanning: WLAN" at
20:1:1:1, and under the conditions;
- Auto Power Save mode (CPU)
- Backlight Off
W-WAN Waiting
HA-D20BAT : Approx 115 hours
HA-D21LBAT : Approx 230 hours
W-WAN continuous communication
HA-D20BAT : Approx 150 minutes
HA-D21LBAT : Approx 300 minutes
Approx. 10 minutes for RAM
Approx. 72 hours for integrated clock
26
Direction
-
IN/OUT
IN
IN
OUT IN/OUT
-
- HA-D20BAT
- HA-D21LBAT
- Integrated
- At room temperature
- New battery pack
- At room temperature
- New battery pack
- W-WAN model
- Lithium battery (on-board)
is fully charged.
- At room temperature.