Sharp UX-340L Service Manual page 60

UX-340L/UX-345L
UX-330L
[Signals for status recognition according to input signals]
Signal Name
H:The handset is in the on-hook state.
RHS
L: The handset is in the off-hook state.
CI Incoming call (CI) detection signal
H:The handset or external telephone is in the
on-hook state.
HS
L: The handset or external telephone is in the
off-hook state.
H:Recording paper does not exist.
P-E L: Recording paper is set (exists).
(Detection of recording paper in printing state)
H:Recording paper does not exist in case of
printing.
P-IN
L: Recording paper exists in case of printing.
(Detection of recording paper in printing state)
[Other signals]
Signal Name
TEL IN Receiving signal from line or modem
TEL OUT Transfer signal to line
SPOUT Speaker output signal
Transmission (DTMF) analog signal output
TXOUT
from modem
Reception (DTMF, others) analog signal input
RXIN
into modem
(Example: TEL speaking)
CML
TEL
HS DETECTOR
LINE
EXT.
HANDSET
SPEAKER
L H
Function
Function
TEL/LIU PWB
H TX OUT
L
RX IN
CI DETECTOR
TEL IN
TEL OUT
SP AMP
SP OUT
VOL A
NO Signal Name (CNLIU)
1 TELOUT
2
3 TELMUTE
4
5
6
7
CONTROL PWB
CML
TX CONT
1
0
0
1
0
1
VOL B
Fig. 6
5 – 10
NO Signal Name (CNLIU)
8
9
TELIN
10
CI 11
12
HS
13
P-E
P-IN 14
GAIN-C
SIGTX
(R96DFXL-CID)
SIGRX
BZOUT
FC100M
BZ CONT
SP MUTE
TEL MUTE
CI
HS
RHS
RXIN
TXOUT
CML
+5V
DG
+24V
MODEM
GAIN-C
TXCONT
CML