MB Communications

Surface Mount Handsfree Doorbox. Provide your business or residential customers with the security and convenience of conversing with visitors from their own phone prior to allowing entry. Ideal for night doors, shipping/receiving departments, warehouses., residential applications or any security-sensitive entry, Designed to install on an unused trunk he input on Electronic or IA2 single or multiline 'No KSU' phones and PABX. When the 'Call' button is pressed the unit rings the phones up to 10 times (adjustable) or until answered. Microphone volume is provided.

The entry door boxes provide 24V talk battery permiting loop lengths in excess of 6300 foot, using 24 AWG twisted pair. The power included can be mounted up to 150 ft. from the unit using 24 AWG twisted pair. The units provide 3 REN output (enough to ring six .5 REN phones). To ring additional phones use model, VI-RG-10A Ring Booster. Power supply included.

W-2000 is a surface mount unit in a durable plastic case. The 4' x 5.25' x 1.5' unit can mount on a single gang electrical box. Provides standard ringing.

Features:

• 24 volt talk battery
• 20 Hz ring generator
• Microphone volume adjustment
• 45° terminal strip for easy wiring
• Adjustable number of rings (1-7) 3.0 REN
• Door/Gate entry system for any phone system
• Doorboxes generate up to ten rings on your telephones when the 'Call' button is pressed