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Battery connector and interface connections & electrical characteristics
Figure 116 Battery connector
Table 23 Battery interface connections
Pin
Signal
I/O
Engine connection
Notes
1
VBAT
->
Retu
VBAT
Battery voltage
2
BSI
->
Retu
BSI
Battery size
indication
(fixed resistor
inside the
battery pack)
3
GND
GND
Ground
Table 24 Battery IF electrical characteristics
Description
Parameter
Max
Unit
Operation voltage
V
IN
4.23
VDC
Current rating
I
IN
0.9
A
Internal interfaces
Internal interfaces
Name of Connection
Connector reference
Notes
UI connector
X4400
Display
X4401
Camera
X1470
Mirage 1.3X
ALS
V4400
Ambient Light Sensor
Vibra
M2100
Microphone
B2100
Earpiece
B2101
IHF speaker
B2102
RM-57/58
Nokia Customer Care
System Module
Page 9–34
Company Confidential
Issue 1
Copyright ©2005 Nokia. All Rights Reserved.
Summary of Contents for RM-57
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