Motorola R-2002A Manual page 224

Communications system analyzer
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4.2 Operating Instructions
Front panel selections for cellular le_sting
Before initiating cellular testing, make the following
adjustments and switch selections on the R2008D/
R2010D front panel. They are ...
1. Enter a
45~MHZ
offset in the DUPLEX GEN
screen.
2. Set the RF step attenuator to 50 dB.
3. Set the DISPLAY led to Signaling Sequence.
4. Set the FUNCTION switch to Monitor.
5. Set the MODULATION Cont/Off/Burst
switch to Off.
6. Use the FM FUNCTION state.
7. Set the BW (BandWidth) switch to Wide.
8. Set the lmage/Dplx switch to High.
9. Adjust the Squelch level to near threshold.
(Turn counter-clockwise until the squelch
light comes on, then back off a small
amount).
10. Set the variable RF tap between I /4 to 1/2
inch from maximum coupling.
THE CELLULAR TEST SCREENS
The cellular test is accessed via the Signaling Se-
quence display. Enter '8' in the 'mode sel' position to
access the cellular test screens. See figure 3. There are
now 5 sub-selections possible. Move the cursor down
to the 'seq sel' position. The 5 selections possible are
described in the following paragraphs.
SIGNALING SEQUENCE MODE SEL)
8
ENTER
12!
FOR MENU
C:ELLULf:1H
SED SEL) -·
1)
INITIAL PARAMETERS
2) SEQ TEST, CELL INITIATED
3) SEQ TEST, MOBILE INITIATED
4)
MANUAL TEST MODE
5) AUTO TEST MODE
' FIGURE 3.
SIGNALING SEQUENCE MODE DISPLAY
7
1)
INITIAL PARAMETERS
This screen allows for the entry of basic paramet
concerning the cellular telephone under test
~
selections the operator desires. See figure 4.
Ent1
must be made here in order to use any of the celh.:
signaling sequence tests. Selections are stored in n1
volatile memory and are saved even if the analyze
powered down.
CELLULAR !NIT PARAM
1) EXIT
SYSTEM !D) 00002
MOBILE ID)
312 576 5444
FOCC>
~::;:34
SEU
FVC
1J001 2)225 3)4512!
4)6~
{:.)tJTO TEST
FVC
INCREMENT>
035
PRINTER (YES=l,NO=W>
1
FIGURE 4.
INITIAL PARAMETERS DISPLA
SYSTEM ID:
Enter the system lD of the celh
telephone under test. Entering a SID that does
match the one of the cellular telephones under
will force the telephone to go into the ROAM st:
The SID is a 15 bit binary number entered in decin
MOBILE ID:
Enter the telephone number of
cellular telephone under test. Entering the MIN t
does not match that of the radio under test will 1
vent the cellular telephone from being called in
cell initiated test. The mobile initiated test will upc
this field.
FOCC: Enter the number of the desired con
channel. Cellular radios scan channels 313 to ;
Those units configured for operation in a
non~\\
line carrier system consider channels in the range
to 333 as home data channels. Those units configL
for operation in a wireline carrier system consider
range 334 to 354 as home channels. However, for
purposes, any channel from 1 to 666 may be ente:
A channel selection of 334 will result in the tn
mitted frequency of 835.02 MHZ from the R200l
R2010D. This is derived from the equation be
... (825.00
+
.03 X (channel number) MHZ).

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