Videx 2291A - Page 16

CONTROL CABINETS - TECHNICAL MANUAL EN-UK - V.1.3 - 14/07/16
VI
DE
X
16
AUDIO & VIDEO CONTROL CABINETS
Terminal Connections
Switching Card ‘through’ Connections
Terminal Function
+12 12Vdc power input/output connection
GND GND power input/output connection
L BUS line data input/output
- BUS line ground input/output
BSY Busy signal connection
TRD Trade signal input/output from Art.701T BST/GMT time clock
V1 Balanced video signal sync+
VR123-V video switching card onlyV2 Balanced video signal sync-
+20V 20Vdc power input/output for videophones
Switching Card Door Connections (1 - 4)
Terminal Function
+12 12Vdc power output connection to door panel
GND GND power output connection to door panel
L BUS line data input from door panel
- BUS line ground input from door panel
BSY Busy signal input from door panel
TRD Trade signal output to door panel
SL Switched low input from door panel
VR123-V video switching card onlyV1 Balanced video signal input sync+
V2 Balanced video signal input sync-
Input Voltage : 12Vdc, +5% -10%
VX123-A
Current (standby) : 80mA (max.)
Current (during call) : 150mA (max.)
Current (speech live) : 240mA (max.)
Current (during lock release) : 280mA (max.)
VX123-V
Current (standby) : 80mA (max.)
Current (during call) : 330mA (max.)
Current (speech live) : 420mA (max.)
Current (during lock release) : 450mA (max.)
Switching Card Dimensions : 135mm (L) x 75mm (W)
Working Temp. : -10
o
C +50
o
C
(PLEASE NOTE: the current ratings shown above correspond with the 12Vdc input power. The 20Vdc power
connections for the VX123-V are ‘through’ connections only).
Technical Specications