Urmet 1083 Notice page 24

STREET SIDE BRANCHES CONNECTION IN SYSTEMS WITH MORE THAN ONE COLUMN
This chapter describes the different connection modes of street side branch between the door units interface
and the various column interfaces.
Connection of 16 columns max., each one with 2 secondary call stations and one main call station
column
2VOICE
power supply
F1
2VOICE
power supply
TC
main call station
G = distance between the main call station and the most distant column interface
For distances and extension of each column, see paragraph "Devices derived from a column interface with
one or two video door phone call stations".
Street side branch connection split on the 4 outputs of door units interface
column
interface
8 (max)
8 (max)
Cable
2Voice cable Ref. 1083/90 and 1083/92
2Voice cable Ref. 1083/94
24
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2VOICE
column
power supply
interface
1
secondary
call
stations
F2
Cable
2Voice cable Ref. 1083/90 and 1083/92
2Voice cable Ref. 1083/94
2 1
G2
2 1
G1
column
column
interface
1
secondary
call
stations
Fx
G = F1+F2+Fx
1
G3
1
Door units
interface
No. of column
distance
interfaces for
each branch
Max 8 600m
Max 8 375m
column
2VOICE
power supply
distance
G
200m
125m
column
interface
2
8 (max)
2
8 (max)
G4
Street side branch
extension
Gx G1+G2+G3+G4
2400m
1500m
column
interface
1
secondary
call
stations
DS1083-029E