User's Manual

CRD-3301 SS08xxx
6
6. Electrical Specifications
6.1. Configurations of CRD-3301
CRD-3301 is the dedicated cradle for OPR-3301 scanner which is able to charge and communicate with
the scanner. This product consists of a power supply section which uses Bluetooth interface, power
section which is in charge of power feed and voltage conversion for the scanner.
CRD-3301 can be operated by AC adapter or USB bus power, however, AC adapter is prior to USB bus
power and USB power is disabled in the scanner when both power supplies are used at the same time.
Figure2: Detailed view
6.2. Consumption Current
Specifications
Item
RS-232C USB
*
Conditions
When stand-by 90mA or less 90mA or less Bluetooth communication: OFF
When communicating with a
host computer
120mA or les 120mA or less Bluetooth communication: ON
When charging a scanner 1000mA or less 500mA or less Bluetooth communication: ON
Measurement conditions:
Power supply voltage
6.0V 5V
* Followings cannot be used as power supply and AC adapter needs to be used.
The maximum current of USB interface is 100mA.
The device which maximum current is 500mA, however, it uses USB hub.
6.3. LED Indication
These LEDs shown below notify operational status.
LED Location Color Function
Power LED Far left Red Lights when power ON.
Green Lights during data transmission.
Communication LED Middle
Red Lights during data reception.
Wireless LED Far right Blue
Lights when Bluetooth succeeds in connection.
Blinks when Bluetooth fails in connection.
LED blinking cycle
LED Location Color blinking cycle
Green 200mS
Communication LED Middle
Red 500mS
Wireless LED Far right Blue 500mS