2N Telekomunikace 2N Access Unit 916009, Installation Manual

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2N TELEKOMUNIKACE a.s., www.2n.cz
®
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2.3 Elektrická instalace
This subsection describes how to install the modules and connect the 2N
®
Access Unit
to the power supply and LAN and how to connect other elements.
Version A - Stand-alone access unit
Place the on the flush mounting box / pre-drilled holes with 2N Access Unit
®
dowels and pull the cables through the bottom holes. Pull the Ethernet cable
through the bottom hole to the left if necessary.
Insert the metal fitting elements up and down and screw the access unit tight.
You can level the unit slightly in this mounting type.
Version B - Access unit with an additional module
Unscrew the upper part of the additional base - keypad, RFID reader, etc.
Use a flat screwdriver to take the upper part out.
Slide the additional module to the access unit. Secure its position with small side
wedges and screws.
Place the assembled modules on the flush mounting box / predrilled holes with
dowels and pull the cables through the access unit bottom holes. Feed the
Ethernet cable without the connector from the additional module to the access
unit base if necessary.
2N Access Unit
®
Power Supply Connection
2N
®
Access Unit can be powered either from an external 12V/2A DC source or
directly from the LAN equipped with PoE 802.3af supporting network elements.
External power supply
For reliability reasons, use a 12V ±15% SELV supply dimensioned to the current
consumption as required for feeding of the access unit and connected modules.
Current consumption
[A]
Part No.
Available power output
[W]
2 91341481E 24
3 36