Entrance telephone
A31003-K16-X001-3-7620, 07/99
Hicom 100 E Version 2.1, Service manual
11-11
Plus products
11.3.3 TFE/V adapter
This adapter links one of the system’s a/b interfaces to an entrance telephone and door opener/
doorbell function. This is controlled by the system. Standard active and passive entrance tele-
phones can be connected, see Section 11.3.4.
Figure 11-10TFE/V adapter interfaces
Caution
In the case of the a/b interface, always connect "minus" to the a-wire and "plus" to
the b-wire.
DO
DO
AC
AC
X3
12 - 16V
Doorbell
VCC
Door opener
VCC
MIC supply
Undervoltage detector
(high impedance)
VCC
Call detector
(high impedance)
≥
VCC
Voice circuit
amplifier
ca. 44s
Mute
X4
a/b
X5
X5
MIC+
MIC-
LS1
LS2
Doorbell
Voice module
KLI
KLIX4
X3
5 mA
AC
DC
1
VCC
transformer
!
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