Urmet 1083 Notice page 16

MAX. DISTANCES AND EXTENSIONS
VIDEO DOOR PHONE SYSTEMS
DOOR PHONE RISERS CONNECTION
This chapter describes the different connection modes of an audio only riser, regardless if it is derived from
a system power supply, a column interface or a door units interface.
§
The following indications are valid for audio only systems; these distances can not be applied if even
one video device is present (video door entrance panel or video door phone).
Connection of a door phone riser with electric nodes.
A = distance between the node and the door phone
Bc = distance between the device from which the riser is derived and the most distant node
Cable
2Voice cable Ref. 1083/90 and 1083/92
2Voice cable Ref. 1083/94
Ø 0,6mm telephone pair without sheath
CAT5 UTP (one twisted pair)
HVV05-F 1,5 mm rubber covered
2
7057/235 Urmet cable (blue/red)
1mm section single cable
2
§
For system extensions and connection of street side branch and call stations see the next
paragraphs.
In-out connection for a door phone riser
16
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128 apartment stations max. in column
128 apartment stations
per column
A
Bc
No. of apartment
stations
128
100
64
64
128
64
32
128
2
Bc
1
distance
A Bc A+Bc
50m 600m 600m
50m 375m 375m
50m 300m 300m
50m 200m 200m
50m 300m 300m
50m 300m 300m
50m 300m 300m
DS1083-029E