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Front Door Intercom Controller for 2 Door using existing telephone (P-0921)

Product Description

Key Features

  • Supports 2 Channel Vision front door intercoms
  • Wires at door 2-conductor or use existing doorbell wires
  • Rings the phones when the doorbell button is pressed
  • Integrated door chime contacts for triggering a traditional doorbell
  • Programmable auxiliary dry contact closure
  • Page output for whole-house paging system
  • Can work with or without an active telephone line
  • LED status indicators for incoming calls, intercom, strike
  • Distance   *from P0921 to intercom station ~300′
    *from P0921 to TE110DS ~300′
    *from P0921 output to Telephone ~2000′
    *from telco input to P0921 -telephone company requirements 48 V on hook, 7~9 V off hook


  • Quick and easy installation
Download Description
Download Link
P-0921 Instruction ManualPDF1.2MBDownload
P-0921 Specification SheetPDF184.5KBDownload
P-0921 Troubleshooting GuidePDF25.1KBDownload
White Paper: Control4 IntegrationPDF1.6MBDownload

Product Information

Power Supply

12VAC, 500mA


Screw terminals & RJ-45 (TIA 568A)

Cable Requirements

CAT3 or CAT5, 18~24 AWG


~ 0.1


6.5” (h) x 7” (w) x 1.5” (d)

Operating Temperature

-10°C to +50°C

Ring Output

>5 (capable of ringing > 10 phones with a REN of 0.5)


FCC Part 15, subpart B & FCC Part 68 requirements; RoHs; Power supply meets UL1310 & CSA standards

Frequently Asked Questions

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