Motorola C25 Manuale di servizio - Pagina 37

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Level 1 and 2 Service Manual

SIM Card and Identification

6881039B15

A SIM (Subscriber Identity Module) card 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 net-

work.

Each Motorola GSM device is labelled with a variety of identifying numbers. The

following information describes the current identifying labels.

Mechanical Serial Number (MSN)

The Mechanical Serial Number (MSN) is an individual unit identity number and

remains with the unit throughout the life of the unit.

The MSN can be used to log and track a unit on Motorola's Service Center Database.

The MSN is divided into 4 sections as shown in Figure 20.

3 Digits

APC

Account Product Code

i.e. StarTAC Phone130

Figure 20. MSN Label Breakdown

August 01, 2001

MSN 10 Digits

1 Digit

2 Digits

Distribution Center

Date Code: Year and

i.e. Easter Inch

Month of Shipment

SIM Card and Identification

4 Digits

SNR

Unit's individual serial

number

000807-A