Service Manual
3-103
Modules
Entrance telephone
3.11 Entrance telephone
The HiPath 1100 can be connected to 2 different types of entrance telephone:
● The internal entrance telephone, which uses a connection interface between the door
device and the PABX (for example, TFE)
● The external entrance telephone, connected directly to the A/B or S
0
slot
3.11.1 Internal entrance telephone with TFE interface
Introduction
With the HiPath 1100 you can connect up to twenty entrance telephones in extension slots. The
connection is made using an interface between the entrance telephone and the PABXs.
● a1/b1 Connection to the system
● a2/b2 Connection of the amplifier of the entrance telephone
For further information on installation, settings and requirements, consult the
Entrance Telephone installation manual.
Figure 3-39 Connections to the TFE interface
Bell
Electric latch
TFE interface
a1
HiPath 1100 - a/b
b1
Entrance telephone
2, 3 or 4 wire connec-
tion, depending on
the manufacturer
a2
b2
TO1
TO2
KL1
KL2
Entrance telephone amplifier
Power supply
12-16 V
TS1
TS2
UB1
UB2
a
b
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