Styra Porttelefonkort 4400

Entry phone card for installation on Styra 3000.

Features and advantages

• Supports four doors equipped with Ringa entry phone.
• Fuse-protected connection to doorbell intercom loop (e.g. AT 21).
• Connection to public telecommunications network.
• Polarity reversal detection.
• Two Styra 3000 devices can be parallel wired to the same doorbell intercom loop.
• Four A485 ports equipped with fuses.
• If a short circuit occurs on an A485 port, the other ports will not be affected.
• Saves the expense of installing separate fuses.
• Facilitates cable installation by allowing one Aptus cable 2 to be installed for each door environment.
• Reader, entry phone etc. can be connected directly to the port or via a door unit.
• Resources can be automatically connected to the appropriate door when programming from Multiaccess Styra.
• Power supply to A485 port can be controlled centrally. Practical, e.g. for maintenance.
• The A485 port can deliver 12V or 24V.
• Note: Before starting, check that the connected hardware supports 24V.
• Max. one Styra Porttelefonkort 4400 per control unit.
• Porttelefonkort 4800 can be added for up to eight doors with entry phones in Styra 3000.

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