7-4.3 System Initiated Call Alert Test
Sequence, Trunk I and
Trunk I EP II Signaling
NOTE
A radio initiated dispatch test (refer to
paragraph 7-2) should be performed prior to
a system initiated call alert.
Configure the analyzer for trunk mode (paragraph
6-5) and System Initiated Testing (paragraph 6-7).
NOTE
Fleet, Subfleet, and Unit ID information must
be entered before the execution of a System
Initiated test. If a Radio Initiated test is
executed prior to the System Initiated test,
these fields are automatically updated. If
required, refer to paragraph 6-8.1 for in-
formation related to entry and storage of sys-
tem/fleet map configurations.
1. Enter the following parameters:
Sig Type: Trunk I or Trunk I EP II
ID Disp: HEX or DEC
Call Seq: CALL ALERT
2. Set the System ID to match the radio system
ID and one of the system IDs in the Radio
Configuration screen.
NOTE
The system ID entered must match the system
ID of the radio. Otherwise the radio will not
lock onto the control channel. Refer to
paragraph 6-8, Radio Configuration.
3. Enter Target Fleet, Target Subfleet, and Unit
ID.
For the System Initiated Call Alert, the Target
Fleet, Subfleet, and Unit are the values for the
radio under test. If a radio initiated dispatch,
phone interconnect, or call alert test has been
executed prior to the system initiated test, the
target fleet, target subfleet, and unit ID
decoded from the ISW will be displayed. If
the operator wants to change a target fleet,
target subfleet, or unit ID, move the cursor to
the appropriate position and enter the new
number.
4. Enter the CCTx or Control Channel number.
Enter the VCTx or voice channel number.
NOTE
Splinter channels can only be entered by
frequency. Standard channels can be entered
by frequency or channel number (channel
numbers only map to standard channel
frequencies).
5. Set the monitor attenuation and port selection.
Suggested port selection is RF I/O with 20 dB
attenuation.
6. Set the generator attenuation and port
selection. Suggested port selection is RF I/O
with -50 dB for the level setting.
7. Press the start test softkey.
8. The status thermometer displays the major
signaling events that occur during a system
initiated Call Alert test. Refer to table 7-20
(Trunk I and Trunk I EP II signaling).
9. Press the stop test softkey to terminate testing.
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