Videx ESVK, Installation Handbook

Page: 12 / 44

66550070-EN - V6.5 - 15/06/21
- 12 -
ESVK/KRV782 Series “2 wire Bus” videokit
ESVK/KRV782 Series - Installation handbook
Art. 4384
Speaker unit with built-in camera
Art. 4384X
Speaker unit with built-in camera & proximity key reader
RS485 CONNECTION
With switch 8 in ON position the
module can be connected using an
RS485 bus connection via an RS485
to USB converter (Art. 481) as shown
in Fig. 3.
This method of connection can be
used for programming and setup of
the module.
Over distances shorter than 500mt
the bus termination jumper on the
Art. 481 can be set to the OPEN po-
sition.
ON
1 2 3 4 5 6 7 8
STEEL
MATTE
ALI
HIGH BRASS
GUN METAL
4384X-1
4384X-0
4384X-2
EXPANSION
BUTTONS
NC VAUX +C C NO GND PTE BUS BUS +V2 GNDV VID2 A B GND
RS485
4384-1
4384-0
4384-2
Made in Italy
485 / 232
RS-485
USB-PC
A B GND
RS-232
Art. 481
USB-Serial Converter
Open
Close
BUS
Termination
switch to RS485 position
RS485 cable
USB cable
PC
BUS termination jumper
in the closed position
Fig. 3
404x FLAT CABLE CONNECTION
To power the button module connect one of the inbuilt IDC male connectors to the IDC male connector of the camera unit mod-
ule through the flat cable provided. Further buttons expansion modules can be connected to the free IDC male connector of the
previous expansion module (Fig. 4).
OR
Art. CFL17
17 cm lenght flat cable
(Supplied)
Art. CFL45
45 cm lenght flat cable
(to be ordered separately )
Fig. 4
J2 AND J1 JUMPERS BACKLIT LEDS SETTINGS
For proper functioning please set J2 and J1 jumpers of any connected button expansion module Art. 404x as shown in the table below.
NOTE: when more modules are connected, following the connection order, every two modules, the previous must be set as module
1 while the next must be set as module 2.
USING ONE SINGLE EXPANSION BUTTON MODULE
J2 J1
B A B A
USING A COUPLE EXPANSION BUTTON MODULES
1
2
Expansion button module 1
J2 J1
B A B A
Art. 4384 - Art. 4384X
Expansion button module 2
J2 J1
B A B A
NOTE: to connect more than 2 expansion button modules,
please refer also to the installation diagrams.