User Guide
Nokia Customer Care System Module
6015/6015i/6016i/6019i (RH-55), 6012 (RM-20)
Issue 1 - Revision 002 09/2004 ©2004 Nokia Corporation Company Confidential Page 21
Accessories Interface
System Connector
Tomahawk accessories are used through a Tomahawk connection. The Tomahawk bottom
connector consists of a charging plug socket and a Tomahawk system connector.
Minimum configuration of Tomahawk interface includes charging, mono audio, power
out, ACI, and Fbus. The USB and stereo audio out are optional.
Tomahawk system connector includes:
• Charging
• Pads for 2-wire charging in cradles
• Audio (stereo audio optional)
• 4-wire fully differential stereo audio
• FM radio antenna connection
• 2-wire differential mic input
• Power out
• 2.78V 70 mA output to accessories (bb4.0, bb4.5)
• 2.5V 90 mA output to accessories (bb5.0)
• Detection/controlling
•ACI
• Point-to-point bi-directional data line
• USB (optional)
• Power in 5V in from USB host
• USB v2.0 device mode (full speed 12M)
•Fbus
• Standard Fbus
• AT command mode (Nokia Serial Bus)
• Phone message mode
• Fast Fbus, fast data bus to add on modules










