Rand Ssd1 Message Fields - HP 8920A User Manual

RANDB
END
OHD
Parity

RAND SSD1 Message Fields

Figure 50 RAND SSD1 Message Fields
T1T2
The 16 least significant bits of the 32 bit RAND variable stored by a mobile for
use in the authentication process.
End indication field.
• Set to 1 to indicate the last word of the overhead message train.
• Set to 0 if not the last word.
This field displays the overhead message type.
• A '100' indicates a global action message.
• A '110' indicates this is the first word of the system parameter overhead parameter
message.
• A '111' indicates this is the second word of the system parameter overhead message.
Parity field. The contents of the Parity field cannot be set by the user. The Test Set
calculates the parity bits.
This field identifies the received message as an order confirmation, an order, or a
called address message.
Chapter 6, Call Processing Subsystem
CALL BIT Screen Message Field Descriptions
221