golmar CD-PLUS/4+N Instruction Manual page 3

Protocol converter
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3
Connection to 4+N compatible systems
It allows the connection of systems that are compatible with 4+n installations (announcement systems,
PABXs, etc.), to audio or video door entry systems with Plus installations.
NOTES:
A T/700 telephone (or equivalent) should be connected to the converter's 4+n connection
block for its programming, once programmed this telephone should be disconnected.
Only one function per converter is admitted, if more functions are needed then install the
corresponding amount of converters while keeping in mind the power supply limitations.
Sometimes a reduction in functionality can occur depending on the manufacturer of the
system to be installed, or even more rarely, there could be unexpected results.
Example with an announcement system
APARTMENT'S
ANNOUNCEMENT
SYSTEM
Example with a PABX
ANNOUNCEMENT
SYSTEM
CONTROL UNIT
INTERFACE
4+N
PLUS door panel
Lock release
2
To other door panels
PABX
INTERFACE
4+N
PLUS door panel
Lock release
2
To other door panels
OPERATION MODES
CD-PLUS/4+N
4+n
4
Lock release
FA-Plus
2
2+coax
3+twisted pair
PSTN
CD-PLUS/4+N
4+n
4
Lock release
FA-Plus
2
2+coax
3+twisted pair
Plus Monitors
3 + coax
4 + twisted pair
PLUS door panel
FA-Plus
2
2
Plus Monitors
3 + coax
4 + twisted pair
PLUS door panel
FA-Plus
2
2

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