PAGE 8 of 24 AUDIO/VIDEO VANDAL RESISTANT TECHNICAL MANUAL
VER1.1
CONNECTIONS
Connection Function
-
0V connection from PSU
~
13Vac supply input
A1
Current sensing path for call
A2
from door A
B1
Current sensing path for call
B2
from door B
1
Receive speech from telephone
2
Transmit speech to telephone
5
Lock trigger from telephone
1A
Transmit speech to door A
1B
Transmit speech to door B
2B
Receive speech from door A
2B
Receive speech from door B
5A
Lock trigger to door A
5B
Lock trigger to door B
LA
LED command (Speech open to door A)
LB
LED command (Speech open to door B)
R
Reset signal (To other Art.502’s)
CONNECTIONS
Connection Function
1
13Vac supply input
2 0V
connection
3
Current sensing path for call
4
from door A
5
Current sensing path for call
6
from door B
R
Reset signal (To reset other Art.892’s)
7
Receive speech from videophone
8
Transmit speech to videophone
9
Lock release command from Art.890
10
Centre core of coax to apartments
11
Screen of coax to apartments
12
Switched 20Vdc from Art.890
7A
Transmit speech to door A
7B
Transmit speech to door B
8A
Receive speech from door A
8B
Receive speech from door B
9A
Lock trigger to door A
9B
Lock trigger to door B
10A
Centre core of coax from door A camera
10B
Centre core of coax from door B camera
11A
Screen of coax from door A camera
11B
Screen of coax from door B camera
12A
20Vdc to power camera at door A
12B
20Vdc to power camera at door B
Art.502
The Art.502 is a two door
switching relay for an audio
system. One unit is required for a
two door system, one unit per door
is required for a three or more door
system. The Art.502 switches both
audio and lock release request to
the door that calls. The relay stays
latches at the last door called.
Art.892
The Art.892 is a two door
switching relay for a video system.
One unit is required for a two door
system, one unit per door is
required for a three or more door
system. The Art.892 switches
audio, video and lock release
request to the door that calls. The
relay stays latches at the last door
called.