Entrance Telephones; Direct Connection Without Et - Siemens Hicom 150 E Office Service Manual

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Hicom 150 E Office Rel.1.0 Service Manual - 10 Special equipment

10.4 Entrance telephones

Overview of connections

Figure 10-1 Overview of ET and ET/A connections

Depending on the functions desired, an entrance telephone can be connected

A voice connection to the entrance telephone is possible from any telephone without support from a

door opener function or bell signalling

Figure 10-2 Entrance telephone, direct ET connection

Door opener relay V23040-A002-B201

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S30356-U5216-X

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