HP 8920A - Page 153

153
Chapter 6, Call Processing Subsystem
Using the CALL CONTROL Screen to test AMPS Authentication
Configure the Test Set
1. Select CALL CNTL from the To Screen menu. The CALL CONTROL screen will
be displayed.
2. Verify that the Test Set configuration information is appropriate for the mobile station
to be tested. Check the following fields:
a. System Type - Select AMPS. At this time, only AMPS is supported for authen-
tication.
NOTE: If the System Type field was modified in step 2a- the control channel will become active
since modifying this field automatically activates the control channel. Refer to the System
Type field description, on page 136.
b. Cntl Channel - Set the control channel number to be used by the Test Set.
NOTE: If the Cntl Channel field was modified in step 2b the control channel will become active
since modifying this field automatically activates the control channel. Refer to the Cntl
Channel field description, on page 126.
c. Amplitude - Set the output power of the Test Sets’s transmitter (that is, the output
power of the Test Set’s RF Generator).
d. SID - Enter the system identification number of the Test Set as a decimal number.
e. Chan: (right-hand field) - Enter the voice channel number which will be assigned
to the mobile station by the Test Set as either an initial voice channel assignment or
as a handoff voice channel assignment.
f. Pwr Lvl: (right-hand field) - Enter the Voice Mobile Attenuation Code (VMAC).
The VMAC determines the mobile station power level to be used on the voice chan-
nel (See Chan: field description, on page 125 for more information about the
voice channel).
g. SAT: (right-hand field) - Enter the SAT frequency to be used on the designated
voice-channel (See Chan: field description, on page 125 for more information
about the voice channel).
3. Select CALL CNFG under the To Screen menu. The CALL CONFIGURATION
screen will be displayed.
4. Verify that the Test Set’s configuration information is appropriate for the mobile station
to be tested. Check the following field:
a. CMAX - Set the number of access channels in the system. This will determine how
many channels must be scanned by the mobile station when trying to access the Test
Set. The value of this field will affect the time required for the mobile station to con-
nect with the Test Set.