Motorola WiNG 5.7.1 System Reference Manual page 489

7. Define Key Settings.
Pre-Shared Key
8. Define Key Rotation values.
Unicast messages are addressed to a single device on the network. Broadcast messages are addressed to multiple devices.
When using WPA2-CCMP, a wireless client can use 2 keys: one unicast key, for its own traffic to and from an access point,
and one broadcast key, the common key for clients in that subnet.
Figure 6-6 WLAN Security - WPA2-CCMP screen
Enter either an alphanumeric string of 8 to 63 ASCII characters or 64 HEX characters as
the primary string both transmitting and receiving authenticators must share. The
alphanumeric string allows character spaces. The access point converts the string to a
numeric value. This passphrase saves the administrator from entering the 256-bit key
each time keys are generated.
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