User Guide
Nokia Customer Care System Module
Company Confidential RH-30/RH-31
Issue 2 11/2004 © 2004 Nokia Corporation. Page 59
Pop-Port system connector
Pop-Port system connector consists of a charging plug socket and a Pop-Port System
Connector. The Pop-Port is a feature based interface. The accessory contains information
about its features (ACI ASIC) and it is detected with a fully digital detection procedure.
Table 4: Pop-Port functions.
Figure 30: Pop-Port connections.
Function Note
Charging Pads for 2 -wire charging in cradles
Audio - 4 -wire fully differential stereo audio output
- 2-wire differential microphone input
- FM radio antenna connection
Power Supply for Accessories 2.78V/70 mA output to accessories
ACI (Accessory Control Interface) Accessory detection/removal & controlling
FBUS Standard FBUS
USB (Optional) Note: Not used in RH-30/RH-31
USB D- / Fbus TX
USB D+ / Fbus RX
XMIC N
XMIC P
ACI
Charge GND
USB Vbus
DATA
HSEAR P
HSEAR N
HSEAR R
HSEAR R
Charge
Vout










