User Guide

Figure 80 External audio connector
Table 21 Audio connector pin assignments
Pin #/ Signal
name
Signal
description
Spectral range Voltage/
Current levels
Max or
nominal serial
impedance
Notes
1/ Charge V Charge DC 0-9V/ 0.85A
2/ GND Charge GND - 0.85A 100mΩ (PWB+
conn.)
3/ ACI ACI 1kbits/s Digital 0/
2.5V-2.78V
47Ω Insertion &
removal
detection
4/ Vout DC out DC 2.5V 90mA 100mΩ (PWB+
conn.)
200mW
9 / XMIC N Audio in 300-8k 1V
pp
&2.5-2.78VDC
10 / XMIC P Audio in 300-8k 1V
pp
&2.5-2.78VDC
11 / HSEAR N Audio out 20-20k 1.25V
pp
10Ω
12 / HSEAR P Audio out 20-20k 1.25V
pp
10Ω
13 / HSEAR R N Audio out 20-20k 1.25V
pp
10Ω Not conn. in
mono
14 / HSEAR R P Audio out 20-20k 1.25V
pp
10Ω Not conn. in
mono
Baseband technical specifications
External interfaces
Name of Connection Connector reference
USB X2001
Charger X2000
Headset X2001
SIM X8302
RM-208
Nokia Customer Care System Module
Page 9 –24 COMPANY CONFIDENTIAL Issue 1
Copyright © 2007 Nokia. All rights reserved.