2 - 2 WT4070/90 Wearable Terminal Integrator Guide
Single Slot USB Cradle
This section describes how to set up and use a Single Slot USB cradle with the wearable terminal. For USB 
communication setup procedures see Communication Setup on page 2-5.
The Single Slot USB cradle:
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Provides 5.4 VDC power for operating the wearable terminal.
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Provides USB ports for data communication between the wearable terminal and a host computer or other 
serial devices (e.g., a printer).
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Synchronizes information between the wearable terminal and a host computer. (With customized or third 
party software, it can also be used to synchronize the wearable terminal with corporate databases.)
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Charges the wearable terminal’s battery.
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Charges a spare battery.
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Provides a location for storing an attached scanner during charging.
CAUTION Ensure that you follow the guidelines for battery safety described in Battery Safety Guidelines on page 
10-3.
NOTE The normal function of the product may be disturbed by Strong Electro Magnetic Interference (for example, 
static electricity). If so, simply remove and re-insert the terminal to resume normal operation. In case the 
function does not resume, please use the product in another location.
CAUTION Use only an approved power supply output rated 12 VDC and minimum 3.3 A. Use of an alternative 
power supply will void the product warranty and may cause product damage. Refer to the WT4070/90 
User Guide for the power supply regulatory compliance statement.