User's Manual

Page 14 of 187
TECHNICAL MANUAL
Telit GM862 PCS
Tri Band GPRS Data Terminal System Rev.1
1.11.6 Local security management
With lock of Subscriber Identity module (SIM), and security code request at power–up.
1.11.7 Call control
Call cost control function.
1.11.8 Phonebook
Function available to store the telephone numbers in SIM memory.
Capability depends on SIM version/memory
1.11.9 Characters management
Availability of lowercase, uppercase and IRA characters. (international reference alphabet)
In SMS PDU mode all character set are supported.
1.11.10 SIM related functions
Activation/deactivation of the numbers stored in phone book FDN, ADN and PINs. Extension at the
PIN2 for the PUK2 insertion capability for lock condition.
1.11.11 Call status indication
By AT commands.
1.11.12 Indication of network service availability
By AT commands and LED indication on dedicated output.
The STAT_LED is an Open Collector output where it is possible to directly connect a LED to show
information on the network service availability and Call status.
STAT_LED indications
LED status Device Status
permanently off device off
fast blinking
(period 1s, Ton 0,5s)
Net search / Not
registered / turning
off
slow blinking
(period 3s, Ton 0,3s)
Registered full
service
permanently on a call is active