6809456A82 January 23, 2003 33
Level 1 and 2 Service Manual Subscriber Identity Module (SIM) and Identification
Label
Subscriber Identity Module (SIM) and Identification Label
SIM
A SIM is required to access the existing local GSM network, or remote networks
when traveling (if a roaming agreement has been made with the provider).
The SIM card contains:
• All the data necessary to access GSM services
• The ability to store user information such as phone numbers
• All information required by the network provider to provide access to the
network
Identification
Each Motorola GSM phone is labeled with a variety of identifying numbers. The
following information describes the current identifying labels.
Mechanical Serial Number (MSN)
The MSN is an individual unit identity number and remains with the unit through-
out its life.
The MSN can be used to log and track a phone on Motorola's Service Center
Database.
The MSN is divided into 4 sections as shown in Figure 16.
000807a
Figure 16. MSN label breakdown
MSN 10 Digits
3 Digits 1 Digit 2 Digits 4 Digits
APC DC DC SNR
Account Product Code
i.e. StarTAC Phone130
Distribution Center
i.e. Easter Inch
Date Code: Year and
Month of Shipment
Unit's individual serial
number
TM
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