WARNING
The 12V output is used for lock connection. If the device is installed in a location where
there is a danger of unauthorized access (building front, e.g.), we strongly recommend
the use of the 2N Security Relay (Part No.
9159010) to ensure the maximum installation
security.
WARNING
If a coil containing device is connected, e.g. relays/electromagnetic locks, it is necessary to
protect the device output against voltage peak while switching off the induction load. For this
way of protection we recommend a 1 A / 1000 V diode (e.g., 1N4007, 1N5407, 1N5408)
connected antiparallel to the device.
1. Terminals
2. Coil. e.g. relay or electromagnetic
lock
Cable Connection
The 2N Access Unit M signals are led out by insulated wires stripped 1 cm at the ends (this does not apply
to the Ethernet cable with a connector). Choose any of the below mentioned methods to connect the wires:
• by twisted pair,
• using a terminal board,
• by soldering,
• screw connection,
• using WAGO terminals,
• using OOP closures,
• crimping using sockets.
LAN Connection
2N Access Unit M is connected to the LAN by inserting a SSTP cable (category Cat-5e or higher) in the
dedicated LAN connector on the device. As the device is equipped with the Auto-MDIX function, you can use
either the straight or crossed cable version.
CAUTION
• We recommend the use of a LAN surge protection (p. 34).
• We recommend the use of a shielded SSTP Ethernet cable.
Installation
33
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