User Guide

CCS Technical Documentation System Module and User Interface
Company confidential RH-23
Issue 1 02/2004 Nokia Corporation. Page 33
Pop-Port connector
Table 32: Pop-Port connector features
Figure 15: Pop-Port Connecto
Table 33: Pop-Port Connector Signals
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) Not used in RH-23
Pin Signal Description Signal levels Notes
1 CHARGE V Charge 0-9 V / 0.85 A
2 GND Charge GND 0.85 A
3 ACI ACI Dig 0 / 2.78V Insertion & removal detection
4 VOUT DC out 2.78V / 70mA
5 NC Not connected
6 FBUS RX 0 / 2.78V
7 FBUS TX 0 / 2.78V
8 GND Data GND
9 XMIC N Audio in 1Vpp & 2.78V Ext. Mic Input