Intercom Communications (UK) Ltd
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Ring Master Door Entry Unit – AB731A

Ring Master Door Entry Unit - AB731A

Discontinued Pro700 Intercom System

We are sorry the Pro700 Intercom System is no longer manufactured, a small range of spares are available while stocks last.

If you have a station which needs repair we can still make repairs as long as we can get the parts.

Please visit our "Intercom Products Range" page to find an alternative.

 

“The AB731A Features of the Pro700 (Ring Master) Ring Master Door Entry Unit”

  • Built-in loudspeaker and microphone
  • Outdoor use
  • 1 call button, moving steel key
  • Easily programmable via internal switches
  • Cabinet is made of 1.5 mm stainless steel
  • Built-in relay for control of camera, door lock, etc
  • External 20 Ohms loudspeaker can be connected

Description

Ring Master Dorr Entry Unit – AB731A Description

Operation of the Ring Master Door Entry Unit which has been replaced by the Pro700
The call button can easily be programmed to offer a number of different call functions.
The following calling alternatives are available with the Ring Master Door Entry Unit:
1: Door Bell
A signal is audible in the receiving stations when the call button is pressed in AB731A. The call can be accepted in the receiving full keypad master stations, by pressing the “5” button. A total of 19 master stations (maximum) can receive this Door Bell call. If the Door-Bell call is not accepted within 30 seconds or 2 minutes, the door bell call is automatically cancelled. A typical function for entrance control to a building with many receiving stations inside.
2: Call request. (CAS, Central Answering Service)
A signal is audible in the receiving stations when the call button is pressed in AB731A. The call can be accepted in the receiving full keypad master stations, by pressing the “0” button. A total of 3 master stations can receive this call request. The calling AB731A stations are queued until answered, with no time limits. A maximum of 19 AB731A stations can be queued. A typical function in a surveillance system with calls to one guard position
3: Direct call to numbers 13, 19, 29, 39 or 49. The conversation can be limited to 30 seconds via switch programming, if nobody is inside to answer the direct call. The call will then be automatically disconnected after 30 seconds.
4: Emergency call
Press and keep down the call button. All stations programmed to receive group call no.2, will now receive the message. The connection is cancelled when the call button is released. The stations can receive incoming calls from all the other stations in the system.

Specification

Ring Master Door Entry Unit – AB731A Specification

Part Number:AB731-A
Size (WxHxD):90 x 180 x 65 mm
Weight:1.5 kg
Related Items:DP996 Scream Alarm Mudule