User Guide

RAE-6/RA-4

Nokia Customer Care 6 - Baseband Description and Troubleshooting

24 COMPANY CONFIDENTIAL Issue 1 12/04

System Connector

RAE-6/RA-4 supports usage of Pop-Port

bottom connector. This means support for Pop-

Port

stereo and mono headsets with and without ACI, USB cable.

Pop-Port consists of a charging plug socket and system connector. The Pop-Port is a feature-

based interface. The accessory contains information about its features (ACI ASIC) and it is de-

tected with a fully digital detection procedure.

FBUS accessories are not supported.

Pop-Port

connector includes VOUT pin, which is 2.78V/70mA output to accessories. VOUT

voltages are: 2.43V(min.) and 2.86V(max.). In RAE-6/RA-4 2.8V VAUX2 regulator from

UEMEK is used to supply accessories. Regulator output current capability is 70mA.

Four new functions are introduced with the system connector interface:

• Accessory control interface (ACI)

• Power out

• Stereo audio output

• Universal serial bus (USB)

Function Note

Charging Pads for 2-wire charging in cradles

Audio 4-wire fully differential stereo audio output

Power supply for accessories 2.78V/70mA output to accessories

ACI (Accessory Control Interface) Accessory detection/removal & controlling

FBUS Standard FBUS, Fast FBUS

Note! RAE-6/RA-4 does not support accessories us-

ing FBUS serial interface.

USB (default) USB v.2.0 device mode (full speed 12M)