SSS Siedle AS-Ta-64/1, System Manual

Page: 54 / 56

54
7 Servicing
Measured values
Measured values in the 1+n system, for measurement using a digital multimeter
Idle status
Voltage door station
Terminal 1 and 7…
Voltage in-house telephone
Terminal 1 and 7 Description
22–24 V DC 0 V DC No in-house telephone connected, core interrupted,
in-house telephone defective.
17–19 V DC 17–19 V DC, 50 µA OK In-house telephone is in the idle status.
14–16 V DC 14–16 V DC, 50 µA 14–16 V
DC, >10 mA Te at call button module or diode accessory missing
In-house telephone has already been called and is active
<14 V DC <14 V DC Cores to in-house telephone under load or
connected to an external device
Call status
Voltage door station
Terminal 1 and 7…
Voltage in-house telephone
Terminal 1 and 7 Description
22–24 V DC, 150 mA >18 V DC, max. 150 mA OK
24 V DC --- No in-house telephone connected
<8 V DC 0 V Short circuit between terminal 1 and 7
In-house telephone active/speech operation
Voltage door station
Terminal 1 and 7…
Voltage in-house telephone
Terminal 1 and 7 Description
22-24 V DC --- No in-house telephone connected
16–18 V DC 16–18 V DC, 50 µA 16–18 V
DC, 50 µA In-house telephone has not been called from the door
Last door call longer than 30 seconds ago
14–16 V DC 14–16 V DC, >10–15 mA OK, receiver not lifted within 30 seconds after call
14–16 V DC 14–16 V DC, >20 mA OK, speech connection exists
<14 V DC <14 V DC Cores to in-house telephone under load or connected to
an external device
Intercom system with more than 1 door station
Voltage door station terminal TLn and –
Description
appr. 6 V DC OK
Connection to SFC 602-… or CTÖ 602-…
Voltage door station
D+ and D– Voltage SFC/CTÖ
Terminal D+ and D– Description
appr. 14 V DC appr. 14 V DC Connecting cores D+/D- OK
appr. –14 V DC appr. –14 V DC SFC/CTÖ not responding, D+/D– cores interchanged
appr. –14 V DC 0 V SFC/CTÖ not responding, D+/D– cores interrupted
0 V 0 V SFC/CTÖ not responding, D+/D– cores short circuited