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2. Parts identification
2.1 EX-B EXTERNAL UNIT
1.
2.
1.
1.
Hole for wall mounting
2.
Terminal block
L L
bus line connection
RTE
programmable RTE (local lock-release input) or
DO input (door open indication)
GND / SE- RTE and door lock input reference negative
SE+
electric door lock connection
NO
relay normally open contact
C
relay common contact
3.
Microphone
4.
Wide-angle colour camera
5.
Camera lighting LED
6.
Nameplate
7.
Call button
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
8.
Adjustment trimmer (See page 13)
Addressing and programming DIP-switches
CNF Programming confirmation button
S2 Special programming selector
S1 Button programming selector
Loudspeaker
Fixing screw
1.14
3.15 in
1.06
1.18 in
9.
10.
11.
12.
13.
14.
3
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