Bell System bellview - Page 53

Bell View Video System
Page 3 of 6
Entrances
Connections No. of Cores Max
Length
Solid Core
Diameter
Camera, Speech unit and
Push button common
8 + 75 Ohm Co-ax 50 m 0.5 mm
Push Buttons 1 per phone 50 m 0.5 mm
Lock Release (up to 0.5 A) 2 25 m
100 m
0.5 mm
1.0 mm
Trades button (optional) 2 50 m 0.5 mm
Exit button or Fire switch (optional) 2 100 m 0.5 mm
Door monitor switch (optional)
No. of Phones 20 2 50 0.5 mm
60 2 20
50
0.5 mm
1.0 mm