Bally 5000 Plus, Manual

Page: 26 / 388

D i agnost i c Tes t s ( cont ' d )
As t he test for shor t c i r cu i t s I s
run , a co i n I n tone sounds and t he
l owe r message f l ashes .
SLOT COMMUN I CAT I ON
TEST I NG FOR SHORTS
When t h i s t es t I s comp l e t e , t he
fo l l ow i ng message appe a r s w i t h t he
upper message f l as h i ng .
TEST W I TH LOOPBACK
3: N I 1 : 2: 0:
NA-not ava i l ab l e N I -no t I ns t a l l ed
SH-shor t I n e l ect r i ca l connect i on
The por t s a r e con f i gu r ed as e i t he r
da t a commun i ca t i on equ i pmen t
( DCE )
or da t a t e r m i na l equ i pment ( DTE ) .
Connect t he l oopback connector
( BALLY Pa r t . No . E-664-294 ) to t he
ON/OFF L I NE DTE p l ug . Por t 0 I s
J 2 2 on t he backp l ane .
TEST W I TH LOOP BACK
3: N I 1 : 2: O: OK
Connect t he l oopback connector to
t he OPT I ONAL DTE p l ug . Por t 2 I s
J 2 3 on t he backp l ane .
TEST W I TH LOOPBACK
3: N I 1 : 2: 0K O: OK
Connect t he l oopback connect or to
t he MCR / I O DCE p l ug . Por t 1 I s J 24
on t he backp l ane .
TEST W I TH LOOP BACK
3: N I 1 : OK 2: 0K O: OK
Po r t 3 I s J 25 on t he backp l a ne and
I s a s p a r e DCE p l ug .
The fo l l ow i ng message appea r s a f t e r
a l I test a r e comp l e ted .
*T EST I NG COMPL ETE*
3: N I 1 : 0K 2: 0K O: OK
2 . TEST EQU I PMENT
NOTES
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