DETEWE opencom 100 - A;B Ports; Actor;Sensor

17
Installation Port Assignment, Termination, Cable Lengths
The maximum permitted length of
the twin-wire U
pn
bus cable is
1,000 m, when 0.6 mm cable
(twisted pair) is used. The power
consumption of each U
pn
bus is
approx. 3 W.
Pin assignment of the S
0
and
U
pn
ports
U
pn
Adapter
The U
pn
adapter is designed for use
with the system telephones
OpenPhone 63 and OpenPhone 65.
If you operate an OpenPhone 63 or
OpenPhone 65 system telephone on
a U
pn
port, you can then connect a
further OpenPhone (61, 63 or 65) to
this telephone via a U
pn
adapter.
a/b Ports
The a/b ports are for operating ana-
logue devices (fax, modem or ana-
logue telephone). The maximum
permitted length of the twin- wire
cable is 1,000 m, when twin-wire 0.6
mm cable (twisted pair) is used.
If an entrance intercom system is
connected to a/b1, the switch
marked “E” on the diagram Positions
of the Ports starting on page 15 must
be open in order to decouple the low
frequency voltage from the supply
(see also the following section,
Actor/Sensor on page 17).
Actor/Sensor
In order to operate an entrance in-
tercom and door opener, you need
four twin-wire cables:
■ one cable between the entrance
intercom and the a/b1 port,
■ one between the door opener
and the Actor1 port (marked In-
tercom/Door opener in the dia-
gram Positions of the Ports start-
ing on page 15),
■ one between the intercom input
and the Actor2 port (marked In-
tercom/Relay in the diagram Po-
sitions of the Ports starting on
page 15) to activate the ampli-
fier,
■ and one between the doorbell
and the sensor port.
Only use entrance intercoms and
door openers complying with FTZ
Guideline No. 123D12.
S
0
int
2a 2b 1a 1b
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RFP with 2 U
pn
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U
pn
/RFP with 1 U
pn
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