Extending Module Connection; Module Bus Interconnection; Module Power Supply - 2N Access Unit Installation Manual

2.4 Extending Module Connection

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2N Access Unit allows to connect following extending modules:
Infopanel
Keypad
125 kHz RFID card reader
13.56 MHz RFID card reader
Bluetooth module
Fingerprint reader
I/O module
Electronic buttons
Wiegand module
Security relay

Module Bus Interconnection

All the modules that can be connected to
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; Part No. 9155037
Wiegand modules and
cable. These two modules can be hidden inside one of the modules described below
(Infopanel, Keypad, RFID card reader, Bluetooth) and/or placed freely behind a
standalone access unit (in a mounting box, e.g.).
You can order a separate bus cable (
length of 1 m, 3 m or 5 m for remote module installation. Typically, it helps install an
RFID card reader on the opposite side of the wall on which
installed. This long cable can only be used once on the bus.

Module Power Supply

All the modules connected to
powered from the bus. The available bus power output depends on the power supply
type. The basic unit can use a 2 A power supply to increase the bus power available to
the modules connected.
2N TELEKOMUNIKACE a.s., www.2n.cz
Part No. 9155034 I/O modules include an 80 mm long bus
Part Nos. 9155050 9155054 9155055
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2N Access Unit
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2N Access Unit are interconnected via a
,
, except for the Tamper Switch, are
, ) of the
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2N Access Unit is
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