Service manual

2.4 Data/Connectivity
This charger base will transfer data to a connected PC through an RS-232
cable. All phone to RS-232 conversions will take place in the phone
with the exception of level shifting. Level shifting takes place in the
data cable, allowing the user to travel with the cable only and have full
data functionality.
3.0 Performance Characteristics and Features
Full battery-charging capability (EP+).
Battery only charging software will include ability to lockout batteries
that are not detected to have EPROM
Charge times determined by use with Rapid Travel Charger.
With Rapid Travel Charger Lithium Ion 1-2
hours
3.1 Compatibility
The A6188 Charger Base is compatible with only A6188 Series phones.