Symbol MC9000-G Product Reference Manual page 201

The Single Slot Serial/USB Cradle:
• Provides 15VDC power for operating the mobile computer
• Provides serial/USB ports for data communication between the mobile computer and a host
computer or other serial devices (e.g., a printer)
• Synchronizes information between the mobile computer and a host computer (with
customized or third party software, it can also be used to synchronize the mobile computer
with corporate databases)
• Charges the mobile computer's battery
• Charges a spare battery.
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