2N Access Unit QR, User Manual, Page: 109 / 128

Specification
Nametag dimensions (W x H) 69.2 x 86.7 mm (tolerance: +0; −0.5 mm)
Security Relay
The Security Relay (Part No. 9159010 ) is used for enhancing security between 2N Access Unit QR and the
connected electric lock. The Security Relay significantly enhances security of the connected electric lock by
preventing unlocking due to device tampering.
TIP
FAQ: 2N IP Security Relay – description of the device and use with the 2N intercoms
Specification
Passive switch NO/NC contact, up to 30 V / 1 A AC/DC
Switched output • Where the Security Relay is fed from the device, 9 to 13 V DC is available on
the output depending on the power supply (PoE: 9 V; adapter: source voltage
of minus 1 V) / 400 mA DC.
• Where the Security Relay is fed from an external power supply, 12 V / 700 mA
DC is available on the output.
Dimensions (w x h
x d) 56 x 31 x 24 mm
Weight 20 g
Connectors and Installation
The Security Relay is installed between the device (outside the secured area) and the electric lock (inside
the secured area). The Security Relay includes a relay that can only be activated if a valid access card/code
is detected on the unit.
The Security Relay is installed on a two-wire cable between the device and the electric lock inside the area
to be secured (typically behind the door). The Security Relay is powered and controlled via this two-wire
cable and can thus be added to an existing installation. Thanks to its compact dimensions, the device can be
installed into a standard mounting box.
Connect the Security Relay to the access unit as follows:
• to the Active output.
Connect the electric lock to the Security Relay as follows:
• to the switched output,
Installation
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