Aiphone AX-084C Central Exchange Unit For 8 Doors / Subs, 4 Masters.
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Aiphone AX-084C

$917.87 Regular price


The AX-084C is a Central Exchange Unit for the AX Integrated Audio & Video Security system. Audio/ Video and/or Audio-only Master or Door Stations connect directly to this unit via homerun CAT-5e wiring and RJ45 jacks.

The AX-084C supports up to 4 Master Stations and up to 8 Doors/Substations. The AX-084C can be expanded in increments of 32 for up to 104 Door/ Substations with the use of AX-320C add-on CEU's.

The CEU handles the calling and communication signals for the system, as well as providing selective door release outputs, video outputs, DVR trigger outputs, and CO Line transfer output. System set-up and a variety of functions are programmed in the CEU with the use of the supplied software. Power is applied directly to the CEU via two PS-2420UL power supplies. The serial connection is for uploading the system programming, for raw RS232 data output, or for system monitoring via the supplied program.

Features & Tech Specs
  • Wiring hub for AX system using Cat-5e
  • Two 24V DC power supply input terminals
  • Rack mountable
  • Controls all functionality of AX system
  • Two BNC composite video outputs and video switching triggers
  • CO line transfer (requires Viking K-1900-5 programmable auto-dialer)
  • Programmable functionality via supplied software

Wire Type

  • Between Door / Sub Station, Master Station, and Central Exchange Unit: Cat-5e
  • Power Supply to Central Exchange Unit and Add-On Central Exchange Unit: 2-cond., overall shield - use Aiphone 821802

Wire Distance

  • Door / Sub Station to Central Exchange Unit and Add-On Central Exchange Unit: 980'
  • Central Exchange Unit to Master: 980'
  • Central Exchange Unit to Add-On Central Exchange Unit: 16'
  • Power Supply to Central Exchange Unit and Add-On Central Exchange Unit: 16'(22AWG) 33'(18AWG)


  • Video: 0.62A max.
  • Audio: 0.65A max

CO Line Port

  • RJ11 for Viking K-1900-5 programmable auto-dialer

Door Release

  • Programmable dry contact, 24V AC/ DC, 500mA - use EL-12S (use RY-24L for larger contact rating)


  • 19" EIA rack (2U) or wall mount
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