Videx VX2300 - Page 62

67009600-EN - Edition 2015 - Rev. 1.0
62
VX2300 Digital System - “2 Wire” Audio/Video Door Entry System
VX2300 Digital System - Installation handbook
Art.317N Active/passive four way distribution box
Fig. 1
BUS
OUT
BUS
IN
BUS OUT 1
Close
Open
Close
Open
Close
Open
Close
Open
Close
Open
BUS OUT 2 BUS OUT 3 BUS OUT 4
S5
AMPLIFICATION
TR1
S1 S2 S3 S4
H
L
M
LD1
AMP>
Fig. 2
DESCRITPION
The unit distributes the bus signal to 4 outputs linked to videophones or intercoms. A switch (“AMP>”) allows to enable (active)
or disable (passive) the amplication. If active, the amplication can be adjusted in a linear way by a built-in trimmer. To make the
amplication adjustment easy, the related positions corresponding to a low level , a medium level and to a high level are marked.
The amplication only eects the 4 outputs and not the loop through output. Art.317N also includes a bus isolation feature which
isolates Art.317N from the rest of the bus in case a short on one of its outputs occurs . This prevents a short from happening in any
apartment impairing the whole system. In case of short on any BUS output the LED LD1 switches ON.
CONNECTION TERMINALS AND JUMPERS
BUS IN Bus input terminals
BUS OUT Bus output terminals (loop through to next distributor)
BUS OUT 1 Videophone/Intercom bus output 1
BUS OUT 2 Videophone/Intercom bus output 2
BUS OUT 3 Videophone/Intercom bus output 3
BUS OUT 4 Videophone/Intercom bus output 4
S1 Close/Open bus output jumper for BUS OUT 1. Move to close when BUS OUT 1 is not used
S2 Close/Open bus output jumper for BUS OUT 2. Move to close when BUS OUT 2 is not used
S3 Close/Open bus output jumper for BUS OUT 3. Move to close when BUS OUT 3 is not used
S4 Close/Open bus output jumper for BUS OUT 4. Move to close when BUS OUT 4 is not used
S5 Close/Open bus through output. If the distributor is the last in line move to close otherwise leave open
AMP> Enable (upper position toward the BUS output terminals) or Disable (lower position) the amplication on the
BUS OUTPUTS from 1 to 4
AMPLIFICATION Set the required level of amplication choosing between low, medium and high
TECHNICAL SPECIFICATION
Housing/Mounting: Plastic box 70x110x30mm / direct wall mounting
Push buttons: N/A
Programming: N/A
Controls: Outputs amplication (3 levels)
Power supply: Supplied by the BUS line
Working temperature: -10° +50° C