Videx VANDAL RESISTANT Technical Manual page 10

VIDEOPHONES
Art.3312
The Art.3312 (3412 for colour) includes a lock release push
button, camera recall button and three dry contact push to
make spare push buttons for other services. Coax and non-
caox video can be used by setting the relevant dip-
switches. An Art.3980 back plate is required with this
videophone.
CONNECTIONS:-
Function
1 +12V out to power video splitter
2 Camera recall
3 Spare button
4 +20V power input
5 Door release command
6 Transmit speech to door panel
7 Receive speech from door panel
8 Speech Ground
9 Video power ground
10 Local call tone input
11 Coax centre core
12 Coax Screen
13 Speech common for intercommunicating systems
14 Call tone input
15 Speech ground for intercommunicating systems
16 Common of spare buttons
17 Spare button
18 Spare button
DIP SWITCH SETTINGS
PAGE 10 of 24 AUDIO/VIDEO VANDAL RESISTANT TECHNICAL MANUAL
9 + Coax
Or
11 cores
VER1.1