User`s guide

SkyTrac Systems Ltd.
Document Rev. 01.007 DOC0102 Page 19 of 23
Restricted Proprietary and Confidential Information
6.2 Activating the PIN Feature
To activate the PIN feature in the CDU -250, please contact SkyTrac Systems. Use the
SkyNet Serial Tool Program to assign access levels to the PIN numbers.
If the PIN feature is not activated, then there are no restrictions to calling or messaging. All
users will have full access to Sat Phone calling, email, and DVI text messaging.
Once the PIN feature is activated, the Pin Management menu option will appear in the
System Menu.
At any time, the CDU -250 can be set to use the default access level by selecting the
System Æ Pin ManagementÆ Use Default PIN option.
6.3 Entering PINS in CDU
When the CDU-250 starts-up, it will prompt the user to enter a PIN. If a valid PIN is entered
then the access level corresponding to the PIN are used. If an invalid PIN is entered the
default access level is used.
The assigned PIN has to be entered every time the CDU-250 powers-up. In order to log off
of the CDU without removing main power, navigate to the System Æ Pin Management
menu option. The CDU will then return to the main menu and ask for a PIN number to be
entered.
7 SUPPORT FOR CONNECTING MULTIPLE DEVICES
The DVI firmware release (1.04+) and CDP firmware release (1.01+) support connecting
multiple devices to the ISAT-100. One device configured for the default message mailbox
connected to the RS232 bus, and a CDU-250 connected to the RS485 bus, and configured
for different message mailbox.
If the CDU-250 (which connects to the RS485 connector) is the only device connected to
the ISAT-100, it will automatically take the default mailbox (mailbox number 0).
If there are multiple devices connected to the ISAT-100, the device that is connected to the
RS232 connector will always take the default mailbox.
A maximum of two devices can be connected to the ISAT-100.
When multiple devices are connected to the ISAT-100, each device can be used to make
calls and send emails and text messages as described in the previous sections of this user
guide.
To receive emails properly the device on the RS485 bus must be assigned a different
unique message mailbox number between 1 and 3. The mailbox number can be set from
the System Æ Set Mailbox # menu option.