Universal interface for 4 wire doorspeaker systems to a standard analogue telephone line

• Installation on DIN rail
• Can be used with quite any PABX
• Up to four bell chime button can be connected
• Up to 5 digits long number can be programmed
• Door opener contact

The DOORMASTER 4 universal adapter enables the connection of any 4 wire door station to quite any PABX as far as a standard analogue telephone line is available on it.This way existing door speaker can be connected to the PABX and external call can be answered from any extension of the system. Up to four door bell chime button can be connected.

For each of it a different telephone number can be assigned. The programmation is done using a DTMF dialing. Pressing the bell chime button on the door station the unit will size the line and dial a programmed telefon number up to five digits long. After the answer the extension is connected with the door station and can talk to his visitor. During the connection, dialing a DTMF digit, also the door opener can be activated.

Standard Features

• Max. four door bell chime button (12 Vac ringing voltage or dry contact) can be conneted. For each button one up to 5 digits long telephone number (1-0, *, #) can be programmed
• Programmation using DTMF dial
• Programmable door opener acitvation time 0 to 9 s
• Selectable automatic call answer function
• Speach controlled hi-end handsfree device
• Busy tone detection
• Volume control for microphone and loudspeaker
• Dry contact for door opener activated by DTMF tone dial
• Optional external second relay as second door opener or automatic functions
• Optional external third relay with automatic activation during line seizure
• 8 Vdc voltage output for door speaker power supply (optional). Activated with line seizure
• Manual line disconnection by DTMF tone dial
• Automatic line disconnection by busy tone detection
• DTMF dial from outside disabled
• Connection to a standard analogue telephone line, two wires
• Selectable DTMF or rotary dial
• Selectable hardware disconnection timer
• External LED for line seizure connectable

Technical data

• Power consumption: min. 18 mA, telephone line powered (min. 24 V max. 60 V)
• Stand by power consumption: 4 µA
• Power supply input: 12 Vac, max. 1 A (only if optional 8 Vdc output is needed)
• Power supply output for doorspeaker: 8 Vdc, max. 200 mA
• Enviromental: - 10° bis + 45° C, max. 90% humidity (no condensing)
• Max. door opener contact load: 40 Vss, 2 A
• Dimensions: 158 x 89 x 57 mm (l x d x h). DIN rail box 9 DIN A units
• Type approvals: CE