User Guide

CCS Technical Documentation System Module and User Interface
NSB-9
Issue 1 04/03 Nokia Corporation Page 21
Table 14: DC Connector (X101)
Table 15: System Connector (X102)
Pin Signal Min Nom Max Condition Note
1 VCHAR 11.1 V
peak
16.9
V
peak
7.9 V
RMS
1.0 A
peak
Standard
charger
Charger positive input
7.0 V
RMS
8.4 V
RMS
9.2 V
RMS
850 mA
Fast
charger
2 CHGND 0 Charger ground
Pin Signal
Descripti
on
Spectral
range
UI levels Impedance Note
1 CHARGE Charge
Voltage
DC 0...9V
0.85A
2 GND Charge
GND
100mΩ
(PWB + connec-
tor)
3 ACI Accessory
Control
Interface
1 kbit/s 0V
2.78V
47Ω Insertion & removal /
Control
4 VOUT DC out DC 2.78V
70mA
100mΩ
(PWB + connec-
tor)
5 Not connected in NSB-
9
6 FBUS RX 115 kbit/s 0...0.86V
(logic ”0”)
2.0...3.0V
(logic ”1”)
33Ω
7 FBUS TX 115 kbit/s 0...0.81V
(logic ”0”)
1.89...2.83
V (logic
”1”)
33Ω
8 Not connected in NSB-
9
9 XMIC N External
mic input
300...8k
10 XMIC P External
mic input
300...8k 2.1V DC
11 HSEAR N Ext audio
output
(left)
20...20k 10Ω Differential left channel
output