CT Systems Wavetek 2500 - Page 23

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return

the

unit

to

the

cellular

test

menu.

The

down

arrow

can

now

be

used

to

step

thru

the

menu

to

select

"PRINT TEST RESULTS".

Pressing

the

"ENTER"

key

will

now

print

stored

results.

(If

the

2500

power

is

turned

off,

or

the

'

1

CELL

TEST"

key

is

pressed,

all

test

results

are

lost)

PARALLEL

PRINTER

PORT

<Model-2500

Rear

Panel>

Pin

Out

Signal

Pin

Out

Signal

Pin

Out

Signal

1(1)

/Data

Strobe

10(10)

/Ack

18

Signal

Gnd

2(2)

Data

Bit

1 11<

11)

Busy

19

(16,

19-30)

3(3)

2

12(12)

Paper

End

20

II

4(4)

3

13(13)

Select

21

II

5(5)

4

14

Unused

22

II

6(6)

5

15(32)

/Fault

23

II

7(7)

6

16(31)

/Input-Prime

24

II

8(8)

7

17

Unused

25

II

9(9)

8

Numbers

in

parenthesis

are

pinouts

of

a

typical

36

pin

parallel

interface

printer.

Consult

your

printer

ma~ual

for

sp~cific

pin

numbers

of

signals.

3.3.4

AUTOMATIC

TEST

SEQUENCE

The

AUTOMATIC

TEST

sequence

is

designed

to

provide

a

fast,

comprehensive

automatic

test

of

a

cellular

telephone.

The

AUTOMATIC

TEST

sequence

will

test

and

display

call

processing

features,

frequency

error

readings,

de-

viation

measurements,

frequency

measurements,

receiver

sensitivity

mea-

surement,

automatic

execution

of

hand-off

channel

instructions,

and

mo-

bile

RF

power

readings.

The

result

of

each

test

is

displayed

a~

the

test

progresses.

(The

measured

SAT

frequency,

ESN,

Class

Mark,

#

of

phone,

and

#

called

will

not

be

displayed,

but

will

appear

on

the

test

results

printout).

The

automatic

hand-off

test

provides

a

display

readout

of

the

RF

power

transmitted

by

the

cellular

telephone

in

power

level

0,

and

the

trans-

mitted

SAT

deviation

on

line

1

of

the

VF

display.

Line

2

of

the

VF

dis-

play

shows

the

current

voice

channel

in

use

and

an

RF

frequency

error

reading.

When

the

AUTOMATIC

TEST

is

complete,

a

hard

copy

printout

may

be

provided

from

an

attached

parallel

printer

that

summarizes

all

test

results.

A

typical

printout

is

provided

at

the

end

of

this

section.

The

following

flow

chart

describes

the

procedure

for

executing

an

AUTOMATIC

TEST

sequence:

SELECT

AUTOMATIC

TEST

FROM

THE

CELLULAR

TEST

MENU

THE

MODEL-2500

WILL

DISPLAY "SET

THE

RF

LEVEL"

(The

RF

Level

will

always

default

to

the

XlOuV

setting

that

can

then

be

changed

by

the

user)

PRESS

THE

"ENTER"

KEY

WHEN

COMPLETE

2500-MANUAL

PAGE

13

SECTION-3