2N Access Unit, Installation Manual

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97
2N TELEKOMUNIKACE a.s., www.2n.cz
®
2.4
Extending Module Connection
2N
®
Access Unit allows to connect following extending modules:
Infopanel
K
eypad module
RFID card reader, 125 kHz
RFID card reader, 13.56 MHz
I/O module
5-button module
Electronic buttons
Wiegand module
Tamper switch
Blank module
Security relay
Module Bus Interconnection
All the modules, except for the Tamper Switch, are interconnected 2N
®
Access Unit
via a bus. The bus starts on the basic unit and goes over all the modules. The order of
modules on the bus is irrelevant. And it also irrelevant which bus connector on the
module is used as the input and which is used as the output.
The modules include a 220 mm long bus interconnecting cable; the Wiegand ( Part
) and I/O modules ( ) include an 80 mm long bus No. 9155037 Part No. 9155034
interconnecting cable.
You can order a separate 1 m long bus cable ( ) for remote Part No. 9155050
installation of the modules. Typically, it helps install an RFID card 2N
®
Access Unit
reader on the opposite side of the wall on which the intercom is 2N
®
Access Unit
installed. This 1m cable ( ) can only be used once on the bus. Part No. 9155050
The modules can be combined in each base as follows:
Module
Externally
mounted
(visible
module) Internally
mounted
(invisible
module)
Internally mounted on
bottom base edge
Infopanel X
Keypad module X
RFID card reader,
125 kHz
X
RFID card reader,
13.56 MHz
X
I/O module X
5-button module X
Electronic buttons X
Wiegand module X
Tamper switch X
Blank module X