1 - 6
Drawing 2:
Pin assignments
1
2
3
4
5
6
T
AE 6 FN
a
b
2 Tx
3 Rx
5 GND
7 CTS
8 R
T
S
RS 232C -
Interface
b7
a7
b8
a8
TFE
E
xter
nal S0
BE
X16
E
xter
nal
MoH
X15
X2
X3
X4
X5
X8
Relays R1 to R4
Port
7
Port
6
b5
a5
b6
a6
X6
Port
5
X7
X11
Port 2
b2
a2
X10
b3
a3
db3
da3
X9
Port 4
b4
a4
db4
da4
db2
da2
+24 V
X12
Port 1
b1
a1
db1
da1
X14
a2
b2
a1
b1
Inter
nal S0
(o
nly A
S
3
2
)
GND
GND
1
2
3
4
5
6
T
AE 6 F
a
b
da
d
b
Systemtelephone
Ports 1 to 4
Port
8
230 V
Connections of T
A
E
S400
S401
TS
TS
NF
KT
T0
T0
Port 3
GND
Bell buttom
Door hands
fr
ee unit (TFE)
Door opener
Bell transformer
for door opener
TFE (FTZ 123 D 12)
NF-GND
= DC-fr
ee speech cir
cuit
KT
-+24 V = T
erminals for potential-fr
ee
bell buttom
TO-TO
= Door opener r
elay
TS-TS
= Relay for activating an
exter
nal amplifier
a/b T
erminals
T
elephone,
Gr
oup 3 fax
machine,
Modem,
Answering
machine
100 Ohm termination
R21
R12
R11
R42
R22
R31
R32
R41