Poznámky redaktora
Because the video signal the video multiplexer only routed one
direction from
Bus_IN Bus_OUT, all devices which emit video signal must con-
nected Bus_IN via the Gira 2-wire bus.
Video multiplexer
Order No..616 Gira electrical installation systems
Door communication Video
I
Technical
information
Video distributor
Order No.
-
The terminating element connected the BUS terminals parallel to
the 2-wire bus. 1224 00
Technical data
Ambient temperature: -25°C +70°C
Port: Screw terminals
Dimensions D): 27mm
Installation:
surface-mounted sur-
face-mounted junction box
-
flush-mounted deep flush-
mounted device box
-
on top-hat rail using included
DRA adapter
Device description
The video multiplexer bundles the video signal door stations,
DCS-camera-gateways and DCS-IP-gateways.
Because the video signal the video distributor only routed one
direction from Bus_IN Bus_OUT, all devices which emit video signal
must connected Bus_IN via the Gira 2-wire bus.
A maximum three terminating elements may installed one sys-
tem.
Connection terminals:
Bus_IN
Connection for the incoming video signal from door stations with video
function, DCS camera gateways DCS gateways. there are more than three sections system, the following
rules apply:
-
The terminating element installed the three sections with the most
devices with BUS_IN/BUS_OUT terminal.
-
For the same number devices the sections, the longest section is
provided with terminating element. g.
The video distributor cascadable.
-
The terminating resistance set “YES” the start-up menu the
home stations with terminating element.
Terminating element
A terminating element included with delivery the video distributor. total video distributors
including video multiplexers can installed one system. Using two video
multiplexers, the video signals from five devices can brought
together.
If more than five cameras should integrated the Gira door commu-
nication system, the DCS-camera-gateways must “looped through”.
Bus_OUT
Connection the video multiplexer the video control unit another
video multiplexer.
-
The terminating element connected the door and home stations
which are located the line end.
(A) (A)
.
The following rules apply the use the terminating element:
- terminating element required system operated with more
than ten devices with BUS_IN/BUS_OUT terminal (e. video multiplexer can
bring the video signals from three cameras together.
Connection terminals:
Bus_IN
Connection for the incoming video signal from door stations with video
function, DCS camera gateways DCS gateways. video distrib-
utor, video amplifier, video multiplexer, DCS-camera-gateway, DCS-
IP-gateway).
(A) video multiplexer order no.. The
video distributor required when the cable routing the door commu-
nication system carried out branch line. 1226 00
Technical data
Ambient temperature: -25°C +70°C
Port: Screw terminals
Dimensions D): 27mm
Installation:
surface-mounted sur-
face-mounted junction box
-
flush-mounted deep flush-
mounted device box
-
on top-hat rail using included
DRA adapter
Device description
The video distributor distributes the video signal the door stations,
DCS-camera-gateways, and DCS-IP-gateways the home stations.: 1224 00
Example: Connection five cameras
.
Bus_OUT
Connection the video distributor home stations with video function
