Sharp UX-310 Service Manual Page 56

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UX-310DE
FO-730DE/NX-530DE
(Example: TEL speaking)
NO Signal Name (CNLIUA)
1 TELOUT
2 TELIN
3 TELMUTE
4 CI/CIDIN1
5 CIDIN2/HS
6 P-E
7 P-IN
Fig. 6
Signal Name Function
RHS
H:The handset is in the on-hook state.
L: The handset is in the off-hook state.
CI Incoming call (CI) detection signal
HS
H:The handset or external telephone is in the
on-hook state.
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)
[Signals for status recognition according to input signals]
Signal Name Function
TEL IN Receiving signal from line or modem
TEL OUT Transfer signal to line
TXOUT
Transmission (DTMF) analog signal output
from modem
RXIN
Reception (DTMF, others) analog signal
input
into modem
[Other signals]
5 – 10
NO Signal Name (CNLIUA)
8 RHS
9 RXIN
10 TXOUT
11 CML
12
+5V
13
DG
14
+24VA
H
L
H
L
CML
CI DETECT
LINE
EXT.
HI GAIN
TXOUT
TXMUTE
L
H
MODEM
(R96DFXL-CID)
CONTROL PWBTEL/LIU PWB
TEL
TEL
H
L
EARTH
H
L
~
~
+
HS AGC
SIDETONE
CANCELER
TXOUT
HS
CI
DPMUTE
DPON
RCVOL2
CML
RCVOL
HS
CI
DPMUTE
DPON
RLYCONT
CML
E-RLY
RXIN RXIN
EXTING
H
L
RCVOL
TEL IN
RX
TX
HANDSET
L
H
TELMUTE
L
H
L
H
DPON
(MPXB)
DPMUTE
(MPXC)
L
H
L
H
L
H
GAINC
CI
HS
TXCONT
RHS
SPMUTE
BZCONT
TEL MUTE
PE9
TEL OUTTEL OUT
TEL IN
VREF
DG
H
L
ON
HOOK
OFF
HOOK
HOOK SW
RHSRHS
TEL MUTETEL MUTE
SPMUTE
L
H
DG
VOL B
VOL A
BZCONT
DPON
CML
FC200M
TXOUT
VOL A
VOL B
TXMUTE
DPMUTE
RCVOL2
RCVOL
RXIN
E-RLY
(RCVOL)
DG
SPEAKER
L
H
BZOUT
TXCONT
GAINC
SIGMUTE
NO Signal Name (CNLIUB)
1 EXTSIG
2 RLYCNT
3 SIGMUTE/TXMUTE
NO Signal Name (CNLIUB)
4 DPON
5 DPMUTE
6 RCVOL
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