Door Intercom System - ASCOM Ascotel 2025 System Manual

ascom Ascotel 2025/2045/2065
7.5.5

Door Intercom System

The two electrically identical signal circuits for connecting a door intercom or
announcement system are located on the OI-2DOOR special card. The interfaces
for the two signal circuits are metallically isolated from each other.
Connect the first door intercom interface with pillar terminal blocks. Connect the
second door intercom interface using a prefabricated 16-pin connecting cable
(see "16-pin Connecting Cable", Page 4.30).
The connection variants are as follows:
• Connection without amplifier
• Connection two-wire
• Connection four-wire
• Connecting a loudspeaker system
[1] Direct connection
[2] Indirect connection; connector for prefabricated 16-pin connecting cable
= Pin 1
Fig. 4.67: Interfaces, changeover switches and potentiometers for the door intercom
4.92 Cabling Interfaces
Door
intercom x.1
View A
A
1 2
Door
intercom x.2
15 16
haz1153aaenb0
[1]
TSS1
TSS2
[2]
4-D
2-D
4-D
2-D
HBT_20321104_04/B0_en