20
KX-TS620BX1
8.1.11. Check Caller ID Detection
Cross Reference:
YE
S
YE
S
YE
S
YE
S
NO
NO
NO
NO
Check
Bell Detection Circuit.
C
a
ller ID d
a
t
a
is not sent from Telephone
Exch
a
nger. Cont
a
ct the telephone
comp
a
ny to su
b
scri
b
e C
a
ller ID fe
a
tures.
Check
a
round R501, R503, C501, C503,
R905
Check
a
round R502, R504, C502, C504,
R90
8
D
a
t
a
in
1200Hz or 1300Hz = D
a
t
a
"1"
2100Hz or 2200Hz =D
a
t
a
"0"
A
( Input C
a
ller ID sig
a
l )
Did
b
ell ring ?
( Mess
a
ge indic
a
tor
b
links )
W
a
s C
a
ller ID sign
a
l sent
b
etween 1st
b
ell
a
nd 2nd
b
ell
a
t T/R ?
Is there CID sign
a
l
a
t BBIC(107) ?
Is there CID sign
a
l
a
t BBIC(112) ?
Check R9
8
9, R909, C906, C907
a
nd BBIC.
A