Entrance Telephone; Internal Entrance Telephone With Tfe Interface; Figure 3-39 Connections To The Tfe Interface - Siemens HiPath 1100 Service Manual

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
●
For further information on installation, settings and requirements, consult the
Entrance Telephone installation manual.
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.
TFE interface
Figure 3-39 Connections to the TFE interface
a1/b1 Connection to the system
●
a2/b2 Connection of the amplifier of the entrance telephone
●
Service Manual
HiPath 1100 - a/b
a1 b1
a2
b2
TS1
TS2
KL1
KL2
TO1
TO2
UB1
UB2
Entrance telephone amplifier
a
b
Bell
Electric latch
Entrance telephone
slot
0
Entrance telephone
2, 3 or 4 wire connec-
tion, depending on
the manufacturer
Power supply
12-16 V
Modules
3-103