Laskomex CD-2502 Series Installation, Service And Programming Manual page 14

5.2 System with entrance hierarchy
2
EC-2502/U
16
Figure 1: Basic system: a) audio version, b) video version with direct connection of monitors
to bus-bar, c) video version with distributors. The diagram shows selected models of monitors.
CP-25xx
Figure 2: System with entrance hierarchy, version audio.
and a connection attempt will be made from the main entrance. Electro-catch is
always released at the entrance from which a call has been made. A coded lock or
electronic key can be used at both the main and the local entrance. Entry phone is
a )
b )
2 2
MVC-6x50
2
MV-6450
2
4
MVC-6x50
MV-6450
2
4
EC-2502/U
4 4
230V
2 2
16
2
2
16
2
EC-2502/H
4
230 VAC
5 CONFIGURATIONS OF ENTRY PHONE OPERATION
c )
3
CVR-2
2
230V
4
3
CVR-1
2
230V
4
230V
2
16
2
2
STAIRCASE B
2
CP-25xx
16
2
2
STAIRCASE A
2
2
CP-25xx
16
2
2
13
2
MVC-6x50
3
MV-6451
3
3
2
3
2
2
MVC-6x50
MV-6450
3
2
1 20
2 2
2
EC-2502/U
4
230 VAC
Power supply
1 20
2
2
2
EC-2502/U
4
230 VAC
Power supply