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. 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.
Video multiplexer
Order No.: 1224 00
Example: Connection five cameras
. video multiplexer can
bring the video signals from three cameras together. video distrib-
utor, video amplifier, video multiplexer, DCS-camera-gateway, DCS-
IP-gateway).
Terminating element
A terminating element included with delivery the video distributor. g.
(A) video multiplexer order no. Using two video
multiplexers, the video signals from five devices can brought
together.
-
For the same number devices the sections, the longest section is
provided with terminating element.
Bus_OUT
Connection the video multiplexer the video control unit another
video multiplexer.
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.
Connection terminals:
Bus_IN
Connection for the incoming video signal from door stations with video
function, DCS camera gateways DCS gateways.
A maximum three terminating elements may installed one sys-
tem.
The video distributor cascadable..
Connection terminals:
Bus_IN
Connection for the incoming video signal from door stations with video
function, DCS camera gateways DCS gateways.616 Gira electrical installation systems
Door communication Video
I
Technical
information
Video distributor
Order No.
-
The terminating element connected the door and home stations
which are located the line end.
-
The terminating element connected the BUS terminals parallel to
the 2-wire bus. total video distributors
including video multiplexers can installed one system.
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. The
video distributor required when the cable routing the door commu-
nication system carried out branch line.
-
The terminating resistance set “YES” the start-up menu the
home stations with terminating element.
Bus_OUT
Connection the video distributor home stations with video function. 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.
If more than five cameras should integrated the Gira door commu-
nication system, the DCS-camera-gateways must “looped through”. 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.
(A) (A)
