8
Encryption Key Loading Guide
© Tait Electronics Limited September 2006
Loading Keys
1.
With Tait mobiles and portables, wait for the display ‘Keyloading
mode.’ With P25 Console Gateways, wait for the control panel LEDs
to all go on.
2.
Following the instructions in the user’s guide, load the
desired keys into the target device. Tait P25 equipment can store up
to 16 keys. You can use the to load a single key, a key
group, or all the keys it has.
3.
When you are finished, disconnect the adapter. This takes mobiles
and portables out of Keyloading mode. If the target device is a P25
Console Gateway, it automatically resets.
Supported Tasks
The following table indicates which tasks can be carried out on
Tait target devices. These tasks must be carried out in ASTRO P25 mode.
(The has two operational modes, ASTRO P25 and ASN. Only
ASTRO P25 mode applies to Tait equipment.)
Task
Supported by Tait Equipment?
Load a key
Yes
Load a group of keys
Yes
Load all keys
Yes
Zeroize a keys
Yes
Zeroize a group of keys
Yes
Zeroize all keys
Yes
View keys
a
a. This task can only display information about loaded keys, not the key variables them-
selves.
Yes
View/Load OTAR parameters
No
Change Keyset
b
b. Tait equipment operates with a single keyset
No
Store and forward keys that have been
downloaded from a Key Management Facility
No
