User Guide

NEM-2
System Module and User Interface CCS Technical Documentation
Page 26 Copyright Nokia. All rights reserved. Issue 1 07/03
External Signals and Connections
Battery connector
The design is based on “Demi” battery connector.Bottom Connector
Bottom connector, or the system connector is of type Pop-Port (TM)
Figure 3: Bottom connector pinout
Bottom connector pins and signals:
No. Symbol Parameter Min. typ. Max. Unit Note
1 VBAT 3.1 3.6 5.1 V Positive battery terminal
2 BSI 68 KOh
m
Battery capacity measurement
(fixed resistor, connected to GND
inside the battery pack)
3 BTEMP 47 kOh
m
Battery temperature measure-
ment (measured by NTC
resistor connected to GND inside
pack)
4 GND 0 V Negative/common battery termi-
nal
14
Contacts, 14 pcs
Locking holes for
accessories, 2 pcs